diff --git a/src/addresses.h b/src/addresses.h
index d3fdbbc2f8..bec3cb6bf8 100644
--- a/src/addresses.h
+++ b/src/addresses.h
@@ -456,8 +456,6 @@
 
 #define RCT2_ADDRESS_AUDIO_INFO						0x01425B40
 
-#define RCT2_ADDRESS_COMMON_FORMAT_ARGS             0x013CE952
-
 #define RCT2_ADDRESS_STAFF_MODE_ARRAY               0x013CA672
 
 #pragma endregion
@@ -605,6 +603,8 @@
 #define RCT2_ADDRESS_SCENERY_TOOL_CTRL_PRESSED		0x00F64F12
 #define RCT2_ADDRESS_SCENERY_TOOL_SHIFT_PRESSED		0x00F64F13
 
+#define RCT2_ADDRESS_COMMON_FORMAT_ARGS				0x013CE952
+
 #define RCT2_ADDRESS_NEXT_FREE_MAP_ELEMENT			0x0140E9A4
 
 #define RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT		0x0141E9AC
diff --git a/src/drawing/scrolling_text.c b/src/drawing/scrolling_text.c
index 7bee4f98af..6ca785bc53 100644
--- a/src/drawing/scrolling_text.c
+++ b/src/drawing/scrolling_text.c
@@ -91,8 +91,8 @@ static int scrolling_text_get_matching_or_oldest(rct_string_id stringId, uint16
 		// If exact match return the matching index
 		if (
 			scrollText->string_id == stringId &&
-			scrollText->string_args_0 == RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) &&
-			scrollText->string_args_1 == RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) &&
+			scrollText->string_args_0 == get_format_arg(0, uint32) &&
+			scrollText->string_args_1 == get_format_arg(4, uint32) &&
 			scrollText->position == scroll &&
 			scrollText->mode == scrollingMode
 		) {
@@ -144,8 +144,8 @@ int scrolling_text_setup(rct_string_id stringId, uint16 scroll, uint16 scrolling
 	// Setup scrolling text
 	rct_draw_scroll_text* scrollText = &gDrawScrollTextList[scrollIndex];
 	scrollText->string_id = stringId;
-	scrollText->string_args_0 = RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32);
-	scrollText->string_args_1 = RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32);
+	scrollText->string_args_0 = get_format_arg(0, uint32);
+	scrollText->string_args_1 = get_format_arg(4, uint32);
 	scrollText->position = scroll;
 	scrollText->mode = scrollingMode;
 	scrollText->id = RCT2_GLOBAL(RCT2_ADDRESS_DRAW_SCROLL_NEXT_ID, uint32);
@@ -168,7 +168,7 @@ int scrolling_text_setup(rct_string_id stringId, uint16 scroll, uint16 scrolling
 
 void scrolling_text_set_bitmap_for_sprite(utf8 *text, int scroll, uint8 *bitmap, sint16 *scrollPositionOffsets)
 {
-	uint8 characterColour = scrolling_text_get_colour(RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 7, uint8));
+	uint8 characterColour = scrolling_text_get_colour(get_format_arg(7, uint8));
 
 	utf8 *ch = text;
 	while (true) {
@@ -244,7 +244,7 @@ void scrolling_text_set_bitmap_for_ttf(utf8 *text, int scroll, uint8 *bitmap, si
 	*dstCh = 0;
 
 	if (colour == 0) {
-		colour = scrolling_text_get_colour(RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 7, uint8));
+		colour = scrolling_text_get_colour(get_format_arg(7, uint8));
 	} else {
 		colour = RCT2_GLOBAL(0x009FF048, uint8*)[(colour - FORMAT_COLOUR_CODE_START) * 4];
 	}
diff --git a/src/game.c b/src/game.c
index ec5695a66a..1cc54bb213 100644
--- a/src/game.c
+++ b/src/game.c
@@ -414,7 +414,7 @@ static int game_check_affordability(int cost)
 	if (RCT2_GLOBAL(0x141F568, uint8) & 0xF0)return cost;
 	if (cost <= (sint32)(DECRYPT_MONEY(gCashEncrypted)))return cost;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = cost;
+	set_format_arg(0, uint32, cost);
 
 	gGameCommandErrorText = STR_NOT_ENOUGH_CASH_REQUIRES;
 	return MONEY32_UNDEFINED;
diff --git a/src/interface/graph.c b/src/interface/graph.c
index 5a59c11925..e3c49bfe5d 100644
--- a/src/interface/graph.c
+++ b/src/interface/graph.c
@@ -31,8 +31,8 @@ static void graph_draw_months_uint8(rct_drawpixelinfo *dpi, uint8 *history, int
 	for (i = count - 1; i >= 0; i--) {
 		if (history[i] != 0 && history[i] != 255 && yearOver32 % 4 == 0) {
 			// Draw month text
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = ((yearOver32 / 4) + 8) % 8 + STR_MONTH_SHORT_MAR;
-			gfx_draw_string_centred(dpi, 2222, x, y - 10, 0, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+			set_format_arg(0, uint32, ((yearOver32 / 4) + 8) % 8 + STR_MONTH_SHORT_MAR);
+			gfx_draw_string_centred(dpi, 2222, x, y - 10, 0, gCommonFormatArgs);
 
 			// Draw month mark
 			gfx_fill_rect(dpi, x, y, x, y + 3, 10);
diff --git a/src/interface/screenshot.c b/src/interface/screenshot.c
index e3e3c8ca5f..0b0e4555ac 100644
--- a/src/interface/screenshot.c
+++ b/src/interface/screenshot.c
@@ -87,7 +87,7 @@ static int screenshot_get_next_path(char *path, int format)
 
 	int i;
 	for (i = 1; i < 1000; i++) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = i;
+		set_format_arg(0, uint16, i);
 
 		// Glue together path and filename
 		sprintf(path, "%sSCR%d%s", screenshotPath, i, _screenshot_format_extension[format]);
@@ -249,7 +249,7 @@ void screenshot_giant()
 	// Show user that screenshot saved successfully
 	rct_string_id stringId = 3165;
 	strcpy((char*)language_get_string(stringId), path_get_filename(path));
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = stringId;
+	set_format_arg(0, uint16, stringId);
 	window_error_open(STR_SCREENSHOT_SAVED_AS, -1);
 }
 
diff --git a/src/interface/widget.c b/src/interface/widget.c
index d66f6b4a75..eac3ecc77b 100644
--- a/src/interface/widget.c
+++ b/src/interface/widget.c
@@ -403,7 +403,7 @@ static void widget_text_unknown(rct_drawpixelinfo *dpi, rct_window *w, int widge
 		gfx_draw_string_left_clipped(
 			dpi,
 			stringId,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			colour,
 			l + 1,
 			t,
@@ -416,7 +416,7 @@ static void widget_text_unknown(rct_drawpixelinfo *dpi, rct_window *w, int widge
 		gfx_draw_string_centred_clipped(
 			dpi,
 			stringId,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			colour,
 			(w->x + w->x + widget->left + widget->right + 1) / 2 - 1,
 			t,
@@ -448,7 +448,7 @@ static void widget_text(rct_drawpixelinfo *dpi, rct_window *w, int widgetIndex)
 
 	if (widget_is_disabled(w, widgetIndex))
 		colour |= 0x40;
-	gfx_draw_string_left_clipped(dpi, widget->image, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, colour, l + 1, t, r - l);
+	gfx_draw_string_left_clipped(dpi, widget->image, gCommonFormatArgs, colour, l + 1, t, r - l);
 }
 
 /**
@@ -523,7 +523,7 @@ static void widget_groupbox_draw(rct_drawpixelinfo *dpi, rct_window *w, int widg
 		uint8 colour = w->colours[widget->colour] & 0x7F;
 		if (widget_is_disabled(w, widgetIndex))
 			colour |= 0x40;
-		gfx_draw_string_left(dpi, widget->image, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, colour, l, t);
+		gfx_draw_string_left(dpi, widget->image, gCommonFormatArgs, colour, l, t);
 		textRight = l + gfx_get_string_width((char*)RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER) + 1;
 	}
 
@@ -622,7 +622,7 @@ static void widget_caption_draw(rct_drawpixelinfo *dpi, rct_window *w, int widge
 			width -= 10;
 	}
 	l += width / 2;
-	gfx_draw_string_centred_clipped(dpi, widget->image, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 34, l, t, width);
+	gfx_draw_string_centred_clipped(dpi, widget->image, gCommonFormatArgs, 34, l, t, width);
 }
 
 /**
@@ -662,7 +662,7 @@ static void widget_closebox_draw(rct_drawpixelinfo *dpi, rct_window *w, int widg
 	if (widget_is_disabled(w, widgetIndex))
 		colour |= 0x40;
 
-	gfx_draw_string_centred_clipped(dpi, widget->image, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, colour, l, t, widget->right - widget->left - 2);
+	gfx_draw_string_centred_clipped(dpi, widget->image, gCommonFormatArgs, colour, l, t, widget->right - widget->left - 2);
 }
 
 /**
@@ -702,7 +702,7 @@ static void widget_checkbox_draw(rct_drawpixelinfo *dpi, rct_window *w, int widg
 		colour |= 0x40;
 	}
 
-	gfx_draw_string_left_centred(dpi, (rct_string_id)widget->image, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, colour, l + 14, yMid);
+	gfx_draw_string_left_centred(dpi, (rct_string_id)widget->image, gCommonFormatArgs, colour, l + 14, yMid);
 }
 
 /**
diff --git a/src/localisation/localisation.c b/src/localisation/localisation.c
index d11bc9c887..a04e38552c 100644
--- a/src/localisation/localisation.c
+++ b/src/localisation/localisation.c
@@ -30,6 +30,8 @@
 #include "date.h"
 #include "localisation.h"
 
+uint8 gCommonFormatArgs[80];
+
 #pragma region Format codes
 
 typedef struct format_code_token {
@@ -864,11 +866,10 @@ void error_string_quit(int error, rct_string_id format)
 	RCT2_GLOBAL(0x9E2DA0, uint32) = 1;
 
 	char* error_string = RCT2_ADDRESS(0x1424080, char);
-	void* args = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void);
 	*error_string = 0;
 
 	if (format != 0xFFFF){
-		format_string(error_string, format, args);
+		format_string(error_string, format, gCommonFormatArgs);
 	}
 	RCT2_GLOBAL(0x9E2D9C, uint32) = 1;
 	rct2_exit();
diff --git a/src/localisation/localisation.h b/src/localisation/localisation.h
index 324b0816c6..44dc730b41 100644
--- a/src/localisation/localisation.h
+++ b/src/localisation/localisation.h
@@ -61,5 +61,9 @@ extern const char real_name_initials[16];
 extern const char *real_names[1024];
 
 extern utf8 *gUserStrings;
+extern uint8 gCommonFormatArgs[80];
+
+#define get_format_arg(offset, type)			(*((type*)&gCommonFormatArgs[(offset)]))
+#define set_format_arg(offset, type, value)		((*((type*)&gCommonFormatArgs[(offset)])) = (value))
 
 #endif
diff --git a/src/management/marketing.c b/src/management/marketing.c
index 73f9fa1936..4daa1d965b 100644
--- a/src/management/marketing.c
+++ b/src/management/marketing.c
@@ -95,10 +95,10 @@ void marketing_update()
 		// This sets the string parameters for the marketing types that have an argument.
 		if (campaign == ADVERTISING_CAMPAIGN_RIDE_FREE || campaign == ADVERTISING_CAMPAIGN_RIDE) {
 			rct_ride* ride = get_ride(campaignItem);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, uint16, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 		} else if (campaign == ADVERTISING_CAMPAIGN_FOOD_OR_DRINK_FREE) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ShopItemStringIds[campaignItem].plural;
+			set_format_arg(0, uint16, ShopItemStringIds[campaignItem].plural);
 		}
 
 		if (gConfigNotifications.park_marketing_campaign_finished) {
diff --git a/src/management/news_item.c b/src/management/news_item.c
index 0e3b3fef34..e7cbc44f0a 100644
--- a/src/management/news_item.c
+++ b/src/management/news_item.c
@@ -266,7 +266,7 @@ void news_item_get_subject_location(int type, int subject, int *x, int *y, int *
 void news_item_add_to_queue(uint8 type, rct_string_id string_id, uint32 assoc)
 {
 	utf8 *buffer = (char*)0x0141EF68;
-	void *args = (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS;
+	void *args = gCommonFormatArgs;
 
 	format_string(buffer, string_id, args); // overflows possible?
 	news_item_add_to_queue_raw(type, buffer, assoc);
diff --git a/src/management/research.c b/src/management/research.c
index 21d0b5e5d1..f23bf8ec58 100644
--- a/src/management/research.c
+++ b/src/management/research.c
@@ -19,6 +19,7 @@
 #include "../game.h"
 #include "../interface/window.h"
 #include "../localisation/date.h"
+#include "../localisation/localisation.h"
 #include "../localisation/string_ids.h"
 #include "../management/finance.h"
 #include "../scenario.h"
@@ -209,8 +210,8 @@ void research_finish_item(sint32 entryIndex)
 
 		// I don't think 0x009AC06C is ever not 0, so probably redundant
 		if (RCT2_GLOBAL(0x009AC06C, uint8) == 0) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = ((rideEntry->flags & RIDE_ENTRY_FLAG_SEPARATE_RIDE_NAME)) ?
-				rideEntry->name : base_ride_type + 2;
+			set_format_arg(0, rct_string_id, ((rideEntry->flags & RIDE_ENTRY_FLAG_SEPARATE_RIDE_NAME)) ?
+				rideEntry->name : base_ride_type + 2);
 			if (!gSilentResearch) {
 				if (gConfigNotifications.ride_researched) {
 					news_item_add_to_queue(NEWS_ITEM_RESEARCH, STR_NEWS_ITEM_RESEARCH_NEW_RIDE_AVAILABLE, entryIndex);
@@ -229,7 +230,7 @@ void research_finish_item(sint32 entryIndex)
 
 		// I don't think 0x009AC06C is ever not 0, so probably redundant
 		if (RCT2_GLOBAL(0x009AC06C, uint8) == 0) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = scenerySetEntry->name;
+			set_format_arg(0, rct_string_id, scenerySetEntry->name);
 			if (!gSilentResearch) {
 				if (gConfigNotifications.ride_researched) {
 					news_item_add_to_queue(NEWS_ITEM_RESEARCH, STR_NEWS_ITEM_RESEARCH_NEW_SCENERY_SET_AVAILABLE, entryIndex);
diff --git a/src/object_list.c b/src/object_list.c
index e26c35720b..7414c5a8e1 100644
--- a/src/object_list.c
+++ b/src/object_list.c
@@ -497,7 +497,7 @@ void set_load_objects_fail_reason()
 {
 	rct_string_id expansionNameId;
 
-	rct_object_entry* object = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_object_entry);
+	rct_object_entry* object = get_format_arg(0, rct_object_entry*);
 	int expansion = (object->flags & 0xFF) >> 4;
 
 	if (expansion == 0
@@ -573,7 +573,7 @@ bool object_load_entries(rct_object_entry* entries)
 		// Load the obect
 		if (!object_load_chunk(entryGroupIndex, &entries[i], NULL)) {
 			log_error("failed to load entry: %.8s", entries[i].name);
-			memcpy((char*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, &entries[i], sizeof(rct_object_entry));
+			memcpy(gCommonFormatArgs, &entries[i], sizeof(rct_object_entry));
 			loadFailed = true;
 		}
 	}
diff --git a/src/paint/map_element/banner.c b/src/paint/map_element/banner.c
index 9d20ff49ab..7cded1eaed 100644
--- a/src/paint/map_element/banner.c
+++ b/src/paint/map_element/banner.c
@@ -77,19 +77,19 @@ void banner_paint(uint8 direction, int height, rct_map_element* map_element)
 	uint16 scrollingMode = banner_scenery->banner.scrolling_mode;
 	scrollingMode += direction;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = 0;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32_t) = 0;
+	set_format_arg(0, uint32, 0);
+	set_format_arg(4, uint32_t, 0);
 
 	rct_string_id string_id = STR_NO_ENTRY;
 	if (!(gBanners[map_element->properties.banner.index].flags & BANNER_FLAG_NO_ENTRY))
 	{
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = gBanners[map_element->properties.banner.index].string_idx;
+		set_format_arg(0, uint16, gBanners[map_element->properties.banner.index].string_idx);
 		string_id = STR_BANNER_TEXT;
 	}
 	if (gConfigGeneral.upper_case_banners) {
-		format_string_to_upper(RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char), string_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+		format_string_to_upper(RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char), string_id, gCommonFormatArgs);
 	} else {
-		format_string(RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char), string_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+		format_string(RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char), string_id, gCommonFormatArgs);
 	}
 
 	gCurrentFontSpriteBase = FONT_SPRITE_BASE_TINY;
diff --git a/src/paint/map_element/entrance.c b/src/paint/map_element/entrance.c
index 47c8a27b40..fb76af8c38 100644
--- a/src/paint/map_element/entrance.c
+++ b/src/paint/map_element/entrance.c
@@ -117,25 +117,25 @@ void ride_entrance_exit_paint(uint8 direction, int height, rct_map_element* map_
 		!(map_element->flags & MAP_ELEMENT_FLAG_GHOST) &&
 		map_element->properties.entrance.ride_index != 0xFF){
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = 0;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = 0;
+		set_format_arg(0, uint32, 0);
+		set_format_arg(4, uint32, 0);
 
 		rct_string_id string_id = STR_RIDE_ENTRANCE_CLOSED;
 
 		if (ride->status == RIDE_STATUS_OPEN &&
 			!(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)){
 
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, rct_string_id) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, rct_string_id, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 
 			string_id = STR_RIDE_ENTRANCE_NAME;
 		}
 
 		utf8 entrance_string[MAX_PATH];
 		if (gConfigGeneral.upper_case_banners) {
-			format_string_to_upper(entrance_string, string_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+			format_string_to_upper(entrance_string, string_id, gCommonFormatArgs);
 		} else {
-			format_string(entrance_string, string_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+			format_string(entrance_string, string_id, gCommonFormatArgs);
 		}
 
 		gCurrentFontSpriteBase = FONT_SPRITE_BASE_TINY;
@@ -209,21 +209,21 @@ void park_entrance_paint(uint8 direction, int height, rct_map_element* map_eleme
 			break;
 
 		rct_string_id park_text_id = 1730;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = 0;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = 0;
+		set_format_arg(0, uint32, 0);
+		set_format_arg(4, uint32, 0);
 
 		if (gParkFlags & PARK_FLAGS_PARK_OPEN){
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = gParkName;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
+			set_format_arg(0, rct_string_id, gParkName);
+			set_format_arg(2, uint32, gParkNameArgs);
 
 			park_text_id = 1731;
 		}
 
 		utf8 park_name[MAX_PATH];
 		if (gConfigGeneral.upper_case_banners) {
-			format_string_to_upper(park_name, park_text_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+			format_string_to_upper(park_name, park_text_id, gCommonFormatArgs);
 		} else {
-			format_string(park_name, park_text_id, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+			format_string(park_name, park_text_id, gCommonFormatArgs);
 		}
 
 		gCurrentFontSpriteBase = FONT_SPRITE_BASE_TINY;
diff --git a/src/peep/peep.c b/src/peep/peep.c
index 88d9ee4b26..a510ff8d05 100644
--- a/src/peep/peep.c
+++ b/src/peep/peep.c
@@ -1340,8 +1340,8 @@ void peep_update_falling(rct_peep* peep){
 		if (peep->action == PEEP_ACTION_DROWNING) return;
 
 		if (gConfigNotifications.guest_died) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+			set_format_arg(0, uint16, peep->name_string_idx);
+			set_format_arg(2, uint32, peep->id);
 			news_item_add_to_queue(NEWS_ITEM_BLANK, STR_NEWS_ITEM_GUEST_DROWNED, peep->x | (peep->y << 16));
 		}
 
@@ -2127,10 +2127,10 @@ static void peep_update_ride_sub_state_2_enter_ride(rct_peep* peep, rct_ride* ri
 	}
 
 	if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(0, uint16, peep->name_string_idx);
+		set_format_arg(2, uint32, peep->id);
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 
 		rct_string_id msg_string;
 		if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_IN_RIDE))
@@ -3180,10 +3180,10 @@ static void peep_update_ride_sub_state_18(rct_peep* peep){
 	peep_on_enter_or_exit_ride(peep, peep->current_ride, 1);
 
 	if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(0, uint16, peep->name_string_idx);
+		set_format_arg(2, uint32, peep->id);
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 
 		if (gConfigNotifications.guest_left_ride) {
 			news_item_add_to_queue(NEWS_ITEM_PEEP_ON_RIDE, STR_PEEP_TRACKING_LEFT_RIDE_X, peep->sprite_index);
@@ -6899,10 +6899,10 @@ static int peep_interact_with_entrance(rct_peep* peep, sint16 x, sint16 y, rct_m
 		peep->sub_state = 11;
 		peep->time_in_queue = 0;
 		if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = peep->name_string_idx;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, rct_string_id) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+			set_format_arg(0, rct_string_id, peep->name_string_idx);
+			set_format_arg(2, uint32, peep->id);
+			set_format_arg(6, rct_string_id, ride->name);
+			set_format_arg(8, uint32, ride->name_arguments);
 			if (gConfigNotifications.guest_queuing_for_ride) {
 				news_item_add_to_queue(NEWS_ITEM_PEEP_ON_RIDE, STR_PEEP_TRACKING_PEEP_JOINED_QUEUE_FOR_X, peep->sprite_index);
 			}
@@ -6945,8 +6945,8 @@ static int peep_interact_with_entrance(rct_peep* peep, sint16 x, sint16 y, rct_m
 
 			peep->var_37 = 0;
 			if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = peep->name_string_idx;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+				set_format_arg(0, rct_string_id, peep->name_string_idx);
+				set_format_arg(2, uint32, peep->id);
 				if (gConfigNotifications.guest_left_park) {
 					news_item_add_to_queue(NEWS_ITEM_PEEP_ON_RIDE, STR_PEEP_TRACKING_LEFT_PARK, peep->sprite_index);
 				}
@@ -7280,10 +7280,10 @@ static int peep_interact_with_path(rct_peep* peep, sint16 x, sint16 y, rct_map_e
 		peep->destination_tolerence = 2;
 		peep->time_in_queue = 0;
 		if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = peep->name_string_idx;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, rct_string_id) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+			set_format_arg(0, rct_string_id, peep->name_string_idx);
+			set_format_arg(2, uint32, peep->id);
+			set_format_arg(6, rct_string_id, ride->name);
+			set_format_arg(8, uint32, ride->name_arguments);
 			if (gConfigNotifications.guest_queuing_for_ride) {
 				news_item_add_to_queue(NEWS_ITEM_PEEP_ON_RIDE, STR_PEEP_TRACKING_PEEP_JOINED_QUEUE_FOR_X, peep->sprite_index);
 			}
@@ -7353,10 +7353,10 @@ static int peep_interact_with_shop(rct_peep* peep, sint16 x, sint16 y, rct_map_e
 		peep->time_on_ride = 0;
 		ride->cur_num_customers++;
 		if (peep->peep_flags & PEEP_FLAGS_TRACKING){
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = peep->name_string_idx;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, rct_string_id) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+			set_format_arg(0, rct_string_id, peep->name_string_idx);
+			set_format_arg(2, uint32, peep->id);
+			set_format_arg(6, rct_string_id, ride->name);
+			set_format_arg(8, uint32, ride->name_arguments);
 			rct_string_id string_id = ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_IN_RIDE) ? STR_PEEP_TRACKING_PEEP_IS_IN_X : STR_PEEP_TRACKING_PEEP_IS_ON_X;
 			if (gConfigNotifications.guest_used_facility) {
 				news_item_add_to_queue(NEWS_ITEM_PEEP_ON_RIDE, string_id, peep->sprite_index);
@@ -9023,9 +9023,9 @@ loc_69B221:
 	peep->window_invalidate_flags |= PEEP_INVALIDATE_PEEP_INVENTORY;
 	peep_update_sprite_type(peep);
 	if (peep->peep_flags & PEEP_FLAGS_TRACKING) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS,uint16) = peep->name_string_idx;
-		RCT2_GLOBAL((RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2), uint32) = peep->id;
-		RCT2_GLOBAL((RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6), uint16) = (shopItem >= 32 ? STR_SHOP_ITEM_INDEFINITE_PHOTO2 + (shopItem - 32) : STR_SHOP_ITEM_INDEFINITE_BALLOON + shopItem);
+		set_format_arg(0, uint16, peep->name_string_idx);
+		set_format_arg(2, uint32, peep->id);
+		set_format_arg(6, uint16, (shopItem >= 32 ? STR_SHOP_ITEM_INDEFINITE_PHOTO2 + (shopItem - 32) : STR_SHOP_ITEM_INDEFINITE_BALLOON + shopItem));
 		if (gConfigNotifications.guest_bought_item) {
 			news_item_add_to_queue(2, STR_PEEP_TRACKING_NOTIFICATION_BOUGHT_X, peep->sprite_index);
 		}
@@ -10457,10 +10457,10 @@ money32 set_peep_name(int flags, int state, uint16 sprite_index, uint8* text_1,
 		return 0;
 
 	rct_peep* peep = GET_PEEP(sprite_index);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = peep->id;
+	set_format_arg(0, uint32, peep->id);
 	utf8* curName = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, utf8);
 	rct_string_id curId = peep->name_string_idx;
-	format_string(curName, curId, RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void));
+	format_string(curName, curId, gCommonFormatArgs);
 
 	if (strcmp(curName, fullText) == 0)
 		return 0;
diff --git a/src/ride/ride.c b/src/ride/ride.c
index faa33bf10a..361bdddfee 100644
--- a/src/ride/ride.c
+++ b/src/ride/ride.c
@@ -889,15 +889,15 @@ static int ride_check_if_construction_allowed(rct_ride *ride)
 		return 0;
 	}
 	if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 		window_error_open(STR_CANT_START_CONSTRUCTION_ON, STR_HAS_BROKEN_DOWN_AND_REQUIRES_FIXING);
 		return 0;
 	}
 
 	if (ride->status != RIDE_STATUS_CLOSED) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 		window_error_open(STR_CANT_START_CONSTRUCTION_ON, STR_MUST_BE_CLOSED_FIRST);
 		return 0;
 	}
@@ -1746,8 +1746,8 @@ int ride_modify(rct_xy_element *input)
 		return 0;
 
 	if (ride->lifecycle_flags & RIDE_LIFECYCLE_INDESTRUCTIBLE) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 		window_error_open(STR_CANT_START_CONSTRUCTION_ON, STR_LOCAL_AUTHORITY_FORBIDS_DEMOLITION_OR_MODIFICATIONS_TO_THIS_RIDE);
 		return 0;
 	}
@@ -2367,8 +2367,8 @@ void ride_breakdown_add_news_item(int rideIndex)
 {
 	rct_ride *ride = get_ride(rideIndex);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 	if (gConfigNotifications.ride_broken_down) {
 		news_item_add_to_queue(NEWS_ITEM_RIDE, STR_RIDE_IS_BROKEN_DOWN, rideIndex);
 	}
@@ -2396,8 +2396,8 @@ static void ride_breakdown_status_update(int rideIndex)
 			ride->mechanic_status != RIDE_MECHANIC_STATUS_FIXING &&
 			ride->mechanic_status != RIDE_MECHANIC_STATUS_4
 		) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, uint16, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 			if (gConfigNotifications.ride_warnings) {
 				news_item_add_to_queue(NEWS_ITEM_RIDE, STR_RIDE_IS_STILL_NOT_FIXED, rideIndex);
 			}
@@ -2965,8 +2965,8 @@ rct_ride_measurement *ride_get_measurement(int rideIndex, rct_string_id *message
 		if (message != NULL) *message = 0;
 		return measurement;
 	} else {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = RideNameConvention[ride->type].vehicle_name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = RideNameConvention[ride->type].station_name;
+		set_format_arg(0, uint16, RideNameConvention[ride->type].vehicle_name);
+		set_format_arg(2, uint16, RideNameConvention[ride->type].station_name);
 		if (message != NULL) *message = STR_DATA_LOGGING_WILL_START_WHEN_NEXT_LEAVES;
 		return NULL;
 	}
@@ -3140,8 +3140,8 @@ static void ride_entrance_exit_connected(rct_ride* ride, int ride_idx)
 			continue;
 		if (entrance != 0xFFFF && !ride_entrance_exit_is_reachable(entrance, ride, i)) {
 			// name of ride is parameter of the format string
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, uint16, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 			if (gConfigNotifications.ride_warnings) {
 			news_item_add_to_queue(1, STR_ENTRANCE_NOT_CONNECTED, ride_idx);
 			}
@@ -3150,8 +3150,8 @@ static void ride_entrance_exit_connected(rct_ride* ride, int ride_idx)
 
 		if (exit != 0xFFFF && !ride_entrance_exit_is_reachable(exit, ride, i)) {
 			// name of ride is parameter of the format string
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, uint16, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 			if (gConfigNotifications.ride_warnings) {
 			news_item_add_to_queue(1, STR_EXIT_NOT_CONNECTED, ride_idx);
 			}
@@ -3218,8 +3218,8 @@ static void ride_shop_connected(rct_ride* ride, int ride_idx)
 	}
 
 	// Name of ride is parameter of the format string
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 	if (gConfigNotifications.ride_warnings) {
 	news_item_add_to_queue(1, STR_ENTRANCE_NOT_CONNECTED, ride_idx);
 	}
@@ -8397,8 +8397,8 @@ void ride_crash(uint8 rideIndex, uint8 vehicleIndex)
 		}
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, rct_string_id) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, rct_string_id, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 	if (gConfigNotifications.ride_crashed) {
 	news_item_add_to_queue(NEWS_ITEM_RIDE, STR_RIDE_HAS_CRASHED, rideIndex);
 }
diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 1f844920af..d4caa95fb5 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -2526,7 +2526,7 @@ static void vehicle_check_if_missing(rct_vehicle* vehicle) {
 
 	ride->lifecycle_flags |= RIDE_LIFECYCLE_11;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id)
+	get_format_arg(0, rct_string_id)
 		= RCT2_ADDRESS(0x0097C98E, rct_string_id)[ride->type * 4] + 6;
 
 	uint8 vehicleIndex = 0;
@@ -2534,10 +2534,10 @@ static void vehicle_check_if_missing(rct_vehicle* vehicle) {
 		if (ride->vehicles[vehicleIndex] == vehicle->sprite_index) break;
 
 	vehicleIndex++;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = vehicleIndex;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, rct_string_id) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint32) = ride->name_arguments;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, rct_string_id) =
+	set_format_arg(2, uint16, vehicleIndex);
+	set_format_arg(4, rct_string_id, ride->name);
+	set_format_arg(6, uint32, ride->name_arguments);
+	get_format_arg(10, rct_string_id) =
 		RCT2_ADDRESS(0x0097C98E, rct_string_id)[ride->type * 4 + 2];
 
 	news_item_add_to_queue(NEWS_ITEM_RIDE, 2218, vehicle->ride);
@@ -4094,7 +4094,7 @@ static void vehicle_kill_all_passengers(rct_vehicle* vehicle) {
 	}
 
 	rct_ride* ride = get_ride(vehicle->ride);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = numFatalities;
+	set_format_arg(0, uint16, numFatalities);
 
 	uint8 crashType = numFatalities == 0 ?
 		RIDE_CRASH_TYPE_NO_FATALITIES :
@@ -4104,8 +4104,8 @@ static void vehicle_kill_all_passengers(rct_vehicle* vehicle) {
 		ride->last_crash_type = crashType;
 
 	if (numFatalities != 0) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = ride->name_arguments;
+		set_format_arg(2, uint16, ride->name);
+		set_format_arg(4, uint32, ride->name_arguments);
 		news_item_add_to_queue(NEWS_ITEM_RIDE, STR_X_PEOPLE_DIED_ON_X, vehicle->ride);
 
 		if (RCT2_GLOBAL(0x135882E, uint16) < 500) {
diff --git a/src/windows/cheats.c b/src/windows/cheats.c
index ddfa441491..ac01305632 100644
--- a/src/windows/cheats.c
+++ b/src/windows/cheats.c
@@ -780,10 +780,10 @@ static void window_cheats_invalidate(rct_window *w)
 
 	switch (w->page) {
 	case WINDOW_CHEATS_PAGE_MONEY:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) = 50000;
+		set_format_arg(0, int, 50000);
 		break;
 	case WINDOW_CHEATS_PAGE_GUESTS:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) = 10000;
+		set_format_arg(0, int, 10000);
 		widget_set_checkbox_value(w, WIDX_GUEST_IGNORE_RIDE_INTENSITY, gCheatsIgnoreRideIntensity);
 		widget_set_checkbox_value(w, WIDX_DISABLE_VANDALISM, gCheatsDisableVandalism);
 		widget_set_checkbox_value(w, WIDX_DISABLE_LITTERING, gCheatsDisableLittering);
@@ -798,7 +798,7 @@ static void window_cheats_invalidate(rct_window *w)
 		widget_set_checkbox_value(w, WIDX_NEVERENDING_MARKETING, gCheatsNeverendingMarketing);
 		break;
 	case WINDOW_CHEATS_PAGE_RIDES:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 255;
+		set_format_arg(0, uint16, 255);
 		widget_set_checkbox_value(w, WIDX_FAST_LIFT_HILL, gCheatsFastLiftHill);
 		widget_set_checkbox_value(w, WIDX_DISABLE_BRAKES_FAILURE, gCheatsDisableBrakesFailure);
 		widget_set_checkbox_value(w, WIDX_DISABLE_ALL_BREAKDOWNS, gCheatsDisableAllBreakdowns);
@@ -829,8 +829,8 @@ static void window_cheats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	window_cheats_draw_tab_images(dpi, w);
 
 	if (w->page == WINDOW_CHEATS_PAGE_MONEY){
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = CHEATS_MONEY_INCREMENT;
-		gfx_draw_string_left(dpi, STR_CHEAT_5K_MONEY_TIP,	(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,	0, w->x + XPL(0) + TXTO, w->y + YPL(0) + TXTO);
+		set_format_arg(0, money32, CHEATS_MONEY_INCREMENT);
+		gfx_draw_string_left(dpi, STR_CHEAT_5K_MONEY_TIP,	gCommonFormatArgs,	0, w->x + XPL(0) + TXTO, w->y + YPL(0) + TXTO);
 		gfx_draw_string_left(dpi, STR_CHEAT_CLEAR_LOAN_TIP,	NULL,				0, w->x + XPL(0) + TXTO, w->y + YPL(2) + TXTO);
 	}
 	else if(w->page == WINDOW_CHEATS_PAGE_MISC){
diff --git a/src/windows/demolish_ride_prompt.c b/src/windows/demolish_ride_prompt.c
index 16316a4bcd..7800bbd231 100644
--- a/src/windows/demolish_ride_prompt.c
+++ b/src/windows/demolish_ride_prompt.c
@@ -132,11 +132,11 @@ static void window_ride_demolish_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	rct_ride* ride = get_ride(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	int x = w->x + WW / 2;
 	int y = w->y + (WH / 2) - 3;
 
-	gfx_draw_string_centred_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, WW - 4, STR_DEMOLISH_RIDE_ID, 0);
+	gfx_draw_string_centred_wrapped(dpi, gCommonFormatArgs, x, y, WW - 4, STR_DEMOLISH_RIDE_ID, 0);
 }
diff --git a/src/windows/editor_inventions_list.c b/src/windows/editor_inventions_list.c
index 4a75319f76..1e4f46a743 100644
--- a/src/windows/editor_inventions_list.c
+++ b/src/windows/editor_inventions_list.c
@@ -675,7 +675,7 @@ static void window_editor_inventions_list_scrollmouseover(rct_window *w, int scr
  */
 static void window_editor_inventions_list_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 3159;
+	set_format_arg(0, uint16, 3159);
 }
 
 /**
diff --git a/src/windows/editor_object_selection.c b/src/windows/editor_object_selection.c
index d3c801c9ed..6496fa9409 100644
--- a/src/windows/editor_object_selection.c
+++ b/src/windows/editor_object_selection.c
@@ -1070,11 +1070,11 @@ static void window_editor_object_selection_tooltip(rct_window* w, int widgetInde
 	case WIDX_TAB_9:
 	case WIDX_TAB_10:
 	case WIDX_TAB_11:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) =
+		get_format_arg(0, rct_string_id) =
 			STR_OBJECT_SELECTION_RIDE_VEHICLES_ATTRACTIONS + (widgetIndex - WIDX_TAB_1);
 		break;
 	default:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = STR_LIST;
+		set_format_arg(0, rct_string_id, STR_LIST);
 		break;
 	}
 }
@@ -1118,7 +1118,7 @@ static void window_editor_object_selection_invalidate(rct_window *w)
 		w->pressed_widgets &= ~(1 << WIDX_ADVANCED);
 
 	// Set window title and buttons
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = STR_OBJECT_SELECTION_RIDE_VEHICLES_ATTRACTIONS + w->selected_tab;
+	set_format_arg(0, rct_string_id, STR_OBJECT_SELECTION_RIDE_VEHICLES_ATTRACTIONS + w->selected_tab);
 	if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER) {
 		w->widgets[WIDX_TITLE].image = STR_TRACK_DESIGNS_MANAGER_SELECT_RIDE_TYPE;
 		w->widgets[WIDX_INSTALL_TRACK].type = WWT_DROPDOWN_BUTTON;
@@ -1293,9 +1293,9 @@ static void window_editor_object_selection_paint(rct_window *w, rct_drawpixelinf
 		if (gScreenFlags & SCREEN_FLAGS_TRACK_DESIGNER)
 			totalSelectable = 4;
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = numSelected;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = totalSelectable;
-		gfx_draw_string_left(dpi, 3164, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, numSelected);
+		set_format_arg(2, uint16, totalSelectable);
+		gfx_draw_string_left(dpi, 3164, gCommonFormatArgs, 0, x, y);
 	}
 
 	rct_stex_entry* stex_entry = RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TEXT_TEMP_CHUNK, rct_stex_entry*);
@@ -1309,11 +1309,11 @@ static void window_editor_object_selection_paint(rct_window *w, rct_drawpixelinf
 		0x30
 		);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&_filter_string;
+	set_format_arg(0, uint32, (uint32)&_filter_string);
 	gfx_draw_string_left_clipped(
 		dpi,
 		1170,
-		(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+		gCommonFormatArgs,
 		w->colours[1],
 		w->x + window_editor_object_selection_widgets[WIDX_FILTER_STRING_BUTTON].left + 1,
 		w->y + window_editor_object_selection_widgets[WIDX_FILTER_STRING_BUTTON].top,
@@ -1879,9 +1879,8 @@ static int window_editor_object_selection_select_object(uint8 bh, int flags, rct
 		}
 
 		if (bh != 0 && !(flags&(1 << 1))){
-			uint32* arguments = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32);
 			object_create_identifier_name((char*)0x009BC95A, installedObject);
-			*arguments = (uint32)0x009BC95A;
+			set_format_arg(0, uint32, 0x009BC95A);
 			set_object_selection_error(bh, 3172);
 			return 0;
 		}
diff --git a/src/windows/editor_objective_options.c b/src/windows/editor_objective_options.c
index 99ea9960cc..478d743f5d 100644
--- a/src/windows/editor_objective_options.c
+++ b/src/windows/editor_objective_options.c
@@ -399,7 +399,7 @@ static void window_editor_objective_options_main_mouseup(rct_window *w, int widg
 		window_editor_objective_options_set_page(w, widgetIndex - WIDX_TAB_1);
 		break;
 	case WIDX_PARK_NAME:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint32) = gParkNameArgs;
+		set_format_arg(16, uint32, gParkNameArgs);
 		window_text_input_open(w, WIDX_PARK_NAME, STR_PARK_NAME, STR_ENTER_PARK_NAME, gParkName, 0, 32);
 		break;
 	case WIDX_SCENARIO_NAME:
@@ -985,12 +985,12 @@ static void window_editor_objective_options_main_paint(rct_window *w, rct_drawpi
 	width = w->widgets[WIDX_PARK_NAME].left - 16;
 
 	if (stex != NULL) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = stex->park_name;
+		set_format_arg(0, uint16, stex->park_name);
 	} else {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = gParkName;
+		set_format_arg(0, uint16, gParkName);
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
-	gfx_draw_string_left_clipped(dpi, 3298, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, width);
+	set_format_arg(2, uint32, gParkNameArgs);
+	gfx_draw_string_left_clipped(dpi, 3298, gCommonFormatArgs, 0, x, y, width);
 
 	// Scenario name
 	x = w->x + 8;
@@ -998,13 +998,13 @@ static void window_editor_objective_options_main_paint(rct_window *w, rct_drawpi
 	width = w->widgets[WIDX_SCENARIO_NAME].left - 16;
 
 	if (stex != NULL) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = stex->scenario_name;
+		set_format_arg(0, uint16, stex->scenario_name);
 	} else {
 		safe_strcpy((char*)0x009BC677, s6Info->name, 64);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 3165;
+		set_format_arg(0, uint16, 3165);
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
-	gfx_draw_string_left_clipped(dpi, 3300, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, width);
+	set_format_arg(2, uint32, gParkNameArgs);
+	gfx_draw_string_left_clipped(dpi, 3300, gCommonFormatArgs, 0, x, y, width);
 
 	// Scenario details label
 	x = w->x + 8;
@@ -1017,13 +1017,13 @@ static void window_editor_objective_options_main_paint(rct_window *w, rct_drawpi
 	width = w->widgets[WIDX_DETAILS].left - 4;
 
 	if (stex != NULL) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = stex->details;
+		set_format_arg(0, uint16, stex->details);
 	} else {
 		safe_strcpy((char*)0x009BC677, s6Info->details, 256);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 3165;
+		set_format_arg(0, uint16, 3165);
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
-	gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, width, 1191, 0);
+	set_format_arg(2, uint32, gParkNameArgs);
+	gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, width, 1191, 0);
 
 	// Scenario category label
 	x = w->x + 8;
diff --git a/src/windows/error.c b/src/windows/error.c
index 827ab16d0a..5a9c90db95 100644
--- a/src/windows/error.c
+++ b/src/windows/error.c
@@ -77,25 +77,23 @@ static uint16 _window_error_num_lines;
 void window_error_open(rct_string_id title, rct_string_id message)
 {
 	utf8 *dst;
-	char *args;
 	int numLines, fontHeight, x, y, width, height, maxY;
 	rct_window *w;
 
 	window_close_by_class(WC_ERROR);
 	dst = _window_error_text;
-	args = (char*)RCT2_ADDRESS_COMMON_FORMAT_ARGS;
 
 	// Format the title
 	dst = utf8_write_codepoint(dst, FORMAT_BLACK);
 	if (title != STR_NONE) {
-		format_string(dst, title, args);
+		format_string(dst, title, gCommonFormatArgs);
 		dst = get_string_end(dst);
 	}
 
 	// Format the message
 	if (message != STR_NONE) {
 		dst = utf8_write_codepoint(dst, FORMAT_NEWLINE);
-		format_string(dst, message, args);
+		format_string(dst, message, gCommonFormatArgs);
 		dst = get_string_end(dst);
 	}
 
diff --git a/src/windows/finances.c b/src/windows/finances.c
index 25ef2b9ed7..c2efe7be57 100644
--- a/src/windows/finances.c
+++ b/src/windows/finances.c
@@ -636,7 +636,7 @@ static void window_finances_summary_invalidate(rct_window *w)
 	}
 
 	window_finances_set_pressed_tab(w);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, money32) = gBankLoan;
+	set_format_arg(6, money32, gBankLoan);
 }
 
 /**
@@ -678,12 +678,12 @@ static void window_finances_summary_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			continue;
 
 		// Month heading
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_FINANCES_SUMMARY_MONTH_HEADING;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = monthyear;
+		set_format_arg(0, uint16, STR_FINANCES_SUMMARY_MONTH_HEADING);
+		set_format_arg(2, uint16, monthyear);
 		draw_string_right_underline(
 			dpi,
 			monthyear == currentMonthYear ? 1193 : 1191,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			0,
 			x + 80,
 			y - 1
@@ -730,8 +730,8 @@ static void window_finances_summary_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	// Loan and interest rate
 	gfx_draw_string_left(dpi, STR_FINANCES_SUMMARY_LOAN, NULL, 0, w->x + 4, w->y + 229);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = gBankLoanInterestRate;
-	gfx_draw_string_left(dpi, STR_FINANCES_SUMMARY_AT_X_PER_YEAR, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, w->x + 156, w->y + 229);
+	set_format_arg(0, uint16, gBankLoanInterestRate);
+	gfx_draw_string_left(dpi, STR_FINANCES_SUMMARY_AT_X_PER_YEAR, gCommonFormatArgs, 0, w->x + 156, w->y + 229);
 
 	// Current cash
 	money32 currentCash = DECRYPT_MONEY(gCashEncrypted);
@@ -748,8 +748,8 @@ static void window_finances_summary_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			lastMonthProfit += RCT2_GLOBAL(0x013578A0, money32);
 			lastMonthProfit += RCT2_GLOBAL(0x013578A4, money32);
 		}
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = lastMonthProfit;
-		gfx_draw_string_left(dpi, STR_LAST_MONTH_PROFIT_FROM_FOOD_DRINK_MERCHANDISE_SALES_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, w->x + 280, w->y + 229);
+		set_format_arg(0, money32, lastMonthProfit);
+		gfx_draw_string_left(dpi, STR_LAST_MONTH_PROFIT_FROM_FOOD_DRINK_MERCHANDISE_SALES_LABEL, gCommonFormatArgs, 0, w->x + 280, w->y + 229);
 	} else {
 		// Park value and company value
 		gfx_draw_string_left(dpi, STR_PARK_VALUE_LABEL, &gParkValue, 0, w->x + 280, w->y + 229);
@@ -1179,24 +1179,24 @@ static void window_finances_marketing_paint(rct_window *w, rct_drawpixelinfo *dp
 			continue;
 
 		noCampaignsActive = 0;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = gParkName;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
+		set_format_arg(0, uint16, gParkName);
+		set_format_arg(2, uint32, gParkNameArgs);
 
 		// Set special parameters
 		switch (i) {
 		case ADVERTISING_CAMPAIGN_RIDE_FREE:
 		case ADVERTISING_CAMPAIGN_RIDE:
 			ride = get_ride(gMarketingCampaignRideIndex[i]);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+			set_format_arg(0, uint16, ride->name);
+			set_format_arg(2, uint32, ride->name_arguments);
 			break;
 		case ADVERTISING_CAMPAIGN_FOOD_OR_DRINK_FREE:
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ShopItemStringIds[gMarketingCampaignRideIndex[i]].plural;
+			set_format_arg(0, uint16, ShopItemStringIds[gMarketingCampaignRideIndex[i]].plural);
 			break;
 		}
 
 		// Advertisement
-		gfx_draw_string_left_clipped(dpi, STR_VOUCHERS_FOR_FREE_ENTRY_TO + i, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x + 4, y, 296);
+		gfx_draw_string_left_clipped(dpi, STR_VOUCHERS_FOR_FREE_ENTRY_TO + i, gCommonFormatArgs, 0, x + 4, y, 296);
 
 		// Duration
 		weeksRemaining = (gMarketingCampaignDaysLeft[i] % 128);
diff --git a/src/windows/game_bottom_toolbar.c b/src/windows/game_bottom_toolbar.c
index 8075e70577..37bb362ac7 100644
--- a/src/windows/game_bottom_toolbar.c
+++ b/src/windows/game_bottom_toolbar.c
@@ -217,18 +217,18 @@ static void window_game_bottom_toolbar_tooltip(rct_window* w, int widgetIndex, r
 
 	switch (widgetIndex) {
 	case WIDX_MONEY:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) = gCurrentProfit;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, int) = gParkValue;
+		set_format_arg(0, int, gCurrentProfit);
+		set_format_arg(4, int, gParkValue);
 		break;
 	case WIDX_PARK_RATING:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = gParkRating;
+		set_format_arg(0, short, gParkRating);
 		break;
 	case WIDX_DATE:
 		month = gDateMonthsElapsed & 7;
 		day = ((gDateMonthTicks * days_in_month[month]) >> 16) & 0xFF;
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = STR_DATE_DAY_1 + day;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, short) = STR_MONTH_MARCH + month;
+		set_format_arg(0, short, STR_DATE_DAY_1 + day);
+		set_format_arg(2, short, STR_MONTH_MARCH + month);
 		break;
 	}
 }
@@ -378,13 +378,13 @@ static void window_game_bottom_toolbar_draw_left_panel(rct_drawpixelinfo *dpi, r
 
 	// Draw money
 	if (!(gParkFlags & PARK_FLAGS_NO_MONEY)) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) = DECRYPT_MONEY(gCashEncrypted);
+		set_format_arg(0, int, DECRYPT_MONEY(gCashEncrypted));
 		gfx_draw_string_centred(
 			dpi,
-			(RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) < 0 ? 1391 : 1390),
+			(get_format_arg(0, int) < 0 ? 1391 : 1390),
 			x, y - 3,
 			(gHoverWidget.window_classification == WC_BOTTOM_TOOLBAR && gHoverWidget.widget_index == WIDX_MONEY ? COLOUR_WHITE : w->colours[0] & 0x7F),
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS
+			gCommonFormatArgs
 			);
 		y += 7;
 	}
@@ -453,16 +453,16 @@ static void window_game_bottom_toolbar_draw_right_panel(rct_drawpixelinfo *dpi,
 	int day = ((gDateMonthTicks * days_in_month[month]) >> 16) & 0xFF;
 
 	rct_string_id stringId = DateFormatStringFormatIds[gConfigGeneral.date_format];
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = STR_DATE_DAY_1 + day;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, short) = month;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, short) = year;
+	set_format_arg(0, short, STR_DATE_DAY_1 + day);
+	set_format_arg(2, short, month);
+	set_format_arg(4, short, year);
 	gfx_draw_string_centred(
 		dpi,
 		stringId,
 		x,
 		y,
 		(gHoverWidget.window_classification == WC_BOTTOM_TOOLBAR && gHoverWidget.widget_index == WIDX_DATE ? COLOUR_WHITE : w->colours[0] & 0x7F),
-		(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS
+		gCommonFormatArgs
 	);
 
 	// Temperature
@@ -475,8 +475,8 @@ static void window_game_bottom_toolbar_draw_right_panel(rct_drawpixelinfo *dpi,
 		temperature = climate_celsius_to_fahrenheit(temperature);
 		format = STR_FAHRENHEIT_VALUE;
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = temperature;
-	gfx_draw_string_left(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y + 6);
+	set_format_arg(0, short, temperature);
+	gfx_draw_string_left(dpi, format, gCommonFormatArgs, 0, x, y + 6);
 	x += 30;
 
 	// Current weather
diff --git a/src/windows/guest.c b/src/windows/guest.c
index f38c7d916d..9948d33f9b 100644
--- a/src/windows/guest.c
+++ b/src/windows/guest.c
@@ -1007,13 +1007,13 @@ void window_guest_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	uint32 argument1, argument2;
 	rct_peep* peep = GET_PEEP(w->number);
 	get_arguments_from_action(peep, &argument1, &argument2);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument1;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument2;
+	set_format_arg(0, uint32, argument1);
+	set_format_arg(4, uint32, argument2);
 	rct_widget* widget = &w->widgets[WIDX_ACTION_LBL];
 	int x = (widget->left + widget->right) / 2 + w->x;
 	int y = w->y + widget->top - 1;
 	int width = widget->right - widget->left;
-	gfx_draw_string_centred_clipped(dpi, 1191, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, width);
+	gfx_draw_string_centred_clipped(dpi, 1191, gCommonFormatArgs, 0, x, y, width);
 
 	// Draw the marquee thought
 	widget = &w->widgets[WIDX_MARQUEE];
@@ -1043,12 +1043,12 @@ void window_guest_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	get_arguments_from_thought(peep->thoughts[i], &argument1, &argument2);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument1;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument2;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint16) = 0;
+	set_format_arg(0, uint32, argument1);
+	set_format_arg(4, uint32, argument2);
+	set_format_arg(8, uint16, 0);
 
 	x = widget->right - widget->left - w->list_information_type;
-	gfx_draw_string_left(&dpi_marquee, 1193, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, 0);
+	gfx_draw_string_left(&dpi_marquee, 1193, gCommonFormatArgs, 0, x, 0);
 }
 
 /**
@@ -1068,8 +1068,8 @@ void window_guest_overview_invalidate(rct_window *w)
 	w->pressed_widgets |= 1ULL << (w->page + WIDX_TAB_1);
 
 	rct_peep* peep = GET_PEEP(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS,uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2,uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	w->pressed_widgets &= ~(1<<WIDX_TRACK);
 	if (peep->peep_flags & PEEP_FLAGS_TRACKING){
@@ -1367,8 +1367,8 @@ void window_guest_stats_invalidate(rct_window *w)
 	w->pressed_widgets |= 1ULL << (w->page + WIDX_TAB_1);
 
 	rct_peep* peep = GET_PEEP(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_guest_stats_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_guest_stats_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -1433,7 +1433,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int y = w->y + window_guest_rides_widgets[WIDX_PAGE_BACKGROUND].top + 4;
 
 	//Happiness
-	gfx_draw_string_left(dpi, 1662, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1662, gCommonFormatArgs, 0, x, y);
 
 	int happiness = peep->happiness;
 	if (happiness < 10)happiness = 10;
@@ -1445,7 +1445,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	//Energy
 	y += 10;
-	gfx_draw_string_left(dpi, 1664, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1664, gCommonFormatArgs, 0, x, y);
 
 	int energy = ((peep->energy - 32) * 85) / 32;
 	ebp = 14;
@@ -1457,7 +1457,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	//Hunger
 	y += 10;
-	gfx_draw_string_left(dpi, 1665, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1665, gCommonFormatArgs, 0, x, y);
 
 	int hunger = peep->hunger;
 	if (hunger > 190) hunger = 190;
@@ -1476,7 +1476,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	//Thirst
 	y += 10;
-	gfx_draw_string_left(dpi, 1666, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1666, gCommonFormatArgs, 0, x, y);
 
 	int thirst = peep->thirst;
 	if (thirst > 190) thirst = 190;
@@ -1495,7 +1495,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	//Nausea
 	y += 10;
-	gfx_draw_string_left(dpi, 1663, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1663, gCommonFormatArgs, 0, x, y);
 
 	int nausea = peep->nausea - 32;
 
@@ -1511,7 +1511,7 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	//Bathroom
 	y += 10;
-	gfx_draw_string_left(dpi, 1667, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	gfx_draw_string_left(dpi, 1667, gCommonFormatArgs, 0, x, y);
 
 	int bathroom = peep->bathroom - 32;
 	if (bathroom > 210) bathroom = 210;
@@ -1533,8 +1533,8 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		int eax = gScenarioTicks;
 		eax -= peep->time_in_park;
 		eax >>= 11;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = eax & 0xFFFF;
-		gfx_draw_string_left(dpi, 1458, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, eax & 0xFFFF);
+		gfx_draw_string_left(dpi, 1458, gCommonFormatArgs, 0, x, y);
 	}
 
 	y += 19;
@@ -1546,22 +1546,22 @@ void window_guest_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	// Intensity
 	int intensity = peep->intensity / 16;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = intensity;
+	set_format_arg(0, uint16, intensity);
 	int string_id = 1658;
 	if (peep->intensity & 0xF){
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->intensity & 0xF;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = intensity;
+		set_format_arg(0, uint16, peep->intensity & 0xF);
+		set_format_arg(2, uint16, intensity);
 		string_id = 1659;
 		if (intensity == 15) string_id = 1660;
 	}
 
-	gfx_draw_string_left(dpi, string_id, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x + 4, y);
+	gfx_draw_string_left(dpi, string_id, gCommonFormatArgs, 0, x + 4, y);
 
 	// Nausea tolerance
 	y += 10;
 	int nausea_tolerance = peep->nausea_tolerance & 0x3;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = nausea_tolerance + 2368;
-	gfx_draw_string_left(dpi, 1661, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, uint16, nausea_tolerance + 2368);
+	gfx_draw_string_left(dpi, 1661, gCommonFormatArgs, 0, x, y);
 }
 
 /**
@@ -1616,7 +1616,7 @@ void window_guest_rides_update(rct_window *w)
  */
 void window_guest_rides_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 /**
@@ -1692,8 +1692,8 @@ void window_guest_rides_invalidate(rct_window *w)
 	w->pressed_widgets |= 1ULL << (w->page + WIDX_TAB_1);
 
 	rct_peep* peep = GET_PEEP(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_guest_rides_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_guest_rides_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -1744,10 +1744,10 @@ void window_guest_rides_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		ride_string_arguments = ride->name_arguments;
 		ride_string_id = ride->name;
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ride_string_id;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride_string_arguments;
+	set_format_arg(0, uint16, ride_string_id);
+	set_format_arg(2, uint32, ride_string_arguments);
 
-	gfx_draw_string_left_clipped(dpi, 3093, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, w->width - 14);
+	gfx_draw_string_left_clipped(dpi, 3093, gCommonFormatArgs, 0, x, y, w->width - 14);
 }
 
 /**
@@ -1819,8 +1819,8 @@ void window_guest_finance_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_guest_finance_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_guest_finance_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -1858,63 +1858,63 @@ void window_guest_finance_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int y = w->y + window_guest_finance_widgets[WIDX_PAGE_BACKGROUND].top + 4;
 
 	// Cash in pocket
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->cash_in_pocket;
-	gfx_draw_string_left(dpi, 1457, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, money32, peep->cash_in_pocket);
+	gfx_draw_string_left(dpi, 1457, gCommonFormatArgs, 0, x, y);
 
 	// Cash spent
 	y += 10;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->cash_spent;
-	gfx_draw_string_left(dpi, 1456, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, money32, peep->cash_spent);
+	gfx_draw_string_left(dpi, 1456, gCommonFormatArgs, 0, x, y);
 
 	y += 20;
 	gfx_fill_rect_inset(dpi, x, y - 6, x + 179, y - 5, w->colours[1], 32);
 
 	// Paid to enter
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->paid_to_enter;
-	gfx_draw_string_left(dpi, 2296, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, money32, peep->paid_to_enter);
+	gfx_draw_string_left(dpi, 2296, gCommonFormatArgs, 0, x, y);
 
 	// Paid on rides
 	y += 10;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->paid_on_rides;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = peep->no_of_rides;
+	set_format_arg(0, money32, peep->paid_on_rides);
+	set_format_arg(4, uint16, peep->no_of_rides);
 	if (peep->no_of_rides != 1){
-		gfx_draw_string_left(dpi, 2298, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2298, gCommonFormatArgs, 0, x, y);
 	}
 	else{
-		gfx_draw_string_left(dpi, 2297, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2297, gCommonFormatArgs, 0, x, y);
 	}
 
 	// Paid on food
 	y += 10;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->paid_on_food;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = peep->no_of_food;
+	set_format_arg(0, money32, peep->paid_on_food);
+	set_format_arg(4, uint16, peep->no_of_food);
 	if (peep->no_of_food != 1){
-		gfx_draw_string_left(dpi, 2300, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2300, gCommonFormatArgs, 0, x, y);
 	}
 	else{
-		gfx_draw_string_left(dpi, 2299, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2299, gCommonFormatArgs, 0, x, y);
 	}
 
 	// Paid on drinks
 	y += 10;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->paid_on_drink;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = peep->no_of_drinks;
+	set_format_arg(0, money32, peep->paid_on_drink);
+	set_format_arg(4, uint16, peep->no_of_drinks);
 	if (peep->no_of_drinks != 1){
-		gfx_draw_string_left(dpi, 2302, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2302, gCommonFormatArgs, 0, x, y);
 	}
 	else{
-		gfx_draw_string_left(dpi, 2301, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2301, gCommonFormatArgs, 0, x, y);
 	}
 
 	// Paid on souvenirs
 	y += 10;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, money32) = peep->paid_on_souvenirs;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = peep->no_of_souvenirs;
+	set_format_arg(0, money32, peep->paid_on_souvenirs);
+	set_format_arg(4, uint16, peep->no_of_souvenirs);
 	if (peep->no_of_souvenirs != 1){
-		gfx_draw_string_left(dpi, 2304, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2304, gCommonFormatArgs, 0, x, y);
 	}
 	else{
-		gfx_draw_string_left(dpi, 2303, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, 2303, gCommonFormatArgs, 0, x, y);
 	}
 }
 
@@ -1962,8 +1962,8 @@ void window_guest_thoughts_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_guest_thoughts_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_guest_thoughts_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -2009,14 +2009,14 @@ void window_guest_thoughts_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 		uint32 argument1, argument2;
 		get_arguments_from_thought(*thought, &argument1, &argument2);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument1;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument2;
+		set_format_arg(0, uint32, argument1);
+		set_format_arg(4, uint32, argument2);
 
 		int width = window_guest_thoughts_widgets[WIDX_PAGE_BACKGROUND].right
 			- window_guest_thoughts_widgets[WIDX_PAGE_BACKGROUND].left
 			- 8;
 
-		y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, width, 1191, 0);
+		y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, width, 1191, 0);
 
 		// If this is the last visable line end drawing.
 		if (y > w->y + window_guest_thoughts_widgets[WIDX_PAGE_BACKGROUND].bottom - 32) return;
@@ -2068,8 +2068,8 @@ void window_guest_inventory_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_guest_inventory_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_guest_inventory_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -2189,7 +2189,7 @@ void window_guest_inventory_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		if (y >= maxY) break;
 		if (!peep_has_item(peep, item)) continue;
 
-		void *args = (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS;
+		void *args = gCommonFormatArgs;
 		rct_string_id stringId = window_guest_inventory_format_item(peep, item, (uint8*)args);
 		y += gfx_draw_string_left_wrapped(dpi, args, x, y, itemNameWidth, stringId, 0);
 		numItems++;
diff --git a/src/windows/guest_list.c b/src/windows/guest_list.c
index a976bcac5c..f911221574 100644
--- a/src/windows/guest_list.c
+++ b/src/windows/guest_list.c
@@ -541,7 +541,7 @@ static void window_guest_list_scrollmouseover(rct_window *w, int scrollIndex, in
  */
 static void window_guest_list_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 /**
@@ -626,8 +626,8 @@ static void window_guest_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	if (_window_guest_list_selected_tab == PAGE_INDIVIDUAL) {
 		x = w->x + 4;
 		y = w->y + window_guest_list_widgets[WIDX_GUEST_LIST].bottom + 2;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, sint16) = w->var_492;
-		gfx_draw_string_left(dpi, (w->var_492 == 1 ? 1755 : 1754), (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, sint16, w->var_492);
+		gfx_draw_string_left(dpi, (w->var_492 == 1 ? 1755 : 1754), gCommonFormatArgs, 0, x, y);
 	}
 }
 
@@ -678,9 +678,9 @@ static void window_guest_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 				}
 
 				// Guest name
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-				gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 0, y - 1, 113);
+				set_format_arg(0, uint16, peep->name_string_idx);
+				set_format_arg(2, uint32, peep->id);
+				gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 0, y - 1, 113);
 
 				switch (_window_guest_list_selected_view) {
 				case VIEW_ACTIONS:
@@ -695,9 +695,9 @@ static void window_guest_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 
 					get_arguments_from_action(peep, &argument_1, &argument_2);
 
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument_1;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument_2;
-					gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 133, y - 1, 314);
+					set_format_arg(0, uint32, argument_1);
+					set_format_arg(4, uint32, argument_2);
+					gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 133, y - 1, 314);
 					break;
 				case VIEW_THOUGHTS:
 					// For each thought
@@ -712,9 +712,9 @@ static void window_guest_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 
 						get_arguments_from_thought(peep->thoughts[j], &argument_1, &argument_2);
 
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument_1;
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument_2;
-						gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 118, y - 1, 329);
+						set_format_arg(0, uint32, argument_1);
+						set_format_arg(4, uint32, argument_2);
+						gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 118, y - 1, 329);
 						break;
 					}
 					break;
@@ -750,14 +750,14 @@ static void window_guest_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 					gfx_draw_sprite(dpi, _window_guest_list_groups_guest_faces[i * 56 + j] + 5486, j * 8, y + 9, 0);
 
 				// Draw action
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = _window_guest_list_groups_argument_1[i];
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = _window_guest_list_groups_argument_2[i];
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, uint32) = numGuests;
-				gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 0, y - 1, 414);
+				set_format_arg(0, uint32, _window_guest_list_groups_argument_1[i]);
+				set_format_arg(4, uint32, _window_guest_list_groups_argument_2[i]);
+				set_format_arg(10, uint32, numGuests);
+				gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 0, y - 1, 414);
 
 				// Draw guest count
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint16) = STR_GUESTS_COUNT_COMMA_SEP;
-				gfx_draw_string_right(dpi, format, (void*)(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8), 0, 326, y - 1);
+				set_format_arg(8, uint16, STR_GUESTS_COUNT_COMMA_SEP);
+				gfx_draw_string_right(dpi, format, gCommonFormatArgs + 8, 0, 326, y - 1);
 			}
 			y += 21;
 		}
@@ -793,8 +793,8 @@ static int window_guest_list_is_peep_in_filter(rct_peep* peep)
  * Calculates a hash value (arguments) for comparing peep actions/thoughts
  *  rct2: 0x0069B7EA
  * peep (esi)
- * argument_1 (0x013CE952) (RCT2_ADDRESS_COMMON_FORMAT_ARGS)
- * argument_2 (0x013CE954) (RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2)
+ * argument_1 (0x013CE952) gCommonFormatArgs
+ * argument_2 (0x013CE954) gCommonFormatArgs + 2
  */
 static void get_arguments_from_peep(rct_peep *peep, uint32 *argument_1, uint32* argument_2)
 {
diff --git a/src/windows/install_track.c b/src/windows/install_track.c
index 7a27cd9c32..5b2bb61c6d 100644
--- a/src/windows/install_track.c
+++ b/src/windows/install_track.c
@@ -288,9 +288,9 @@ static void window_install_track_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		}
 
 		// Ride length
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 1345;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = td6->ride_length;
-		gfx_draw_string_left_clipped(dpi, STR_TRACK_LIST_RIDE_LENGTH, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, 214);
+		set_format_arg(0, uint16, 1345);
+		set_format_arg(2, uint16, td6->ride_length);
+		gfx_draw_string_left_clipped(dpi, STR_TRACK_LIST_RIDE_LENGTH, gCommonFormatArgs, 0, x, y, 214);
 		y += 10;
 	}
 
@@ -344,9 +344,9 @@ static void window_install_track_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	if (td6->space_required_x != 0xFF) {
 		// Space required
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = td6->space_required_x;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = td6->space_required_y;
-		gfx_draw_string_left(dpi, STR_TRACK_LIST_SPACE_REQUIRED, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, td6->space_required_x);
+		set_format_arg(2, uint16, td6->space_required_y);
+		gfx_draw_string_left(dpi, STR_TRACK_LIST_SPACE_REQUIRED, gCommonFormatArgs, 0, x, y);
 		y += 10;
 	}
 
diff --git a/src/windows/land.c b/src/windows/land.c
index 6be9d57f1e..d995b59eff 100644
--- a/src/windows/land.c
+++ b/src/windows/land.c
@@ -405,7 +405,7 @@ static void window_land_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		price += numTiles * 100;
 
 	if (price != 0 && !(gParkFlags & PARK_FLAGS_NO_MONEY)) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, sint32) = price;
-		gfx_draw_string_centred(dpi, 986, x, y, 0, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+		set_format_arg(0, sint32, price);
+		gfx_draw_string_centred(dpi, 986, x, y, 0, gCommonFormatArgs);
 	}
 }
diff --git a/src/windows/loadsave.c b/src/windows/loadsave.c
index 319d4b437c..cde92e1877 100644
--- a/src/windows/loadsave.c
+++ b/src/windows/loadsave.c
@@ -478,7 +478,7 @@ static void window_loadsave_textinput(rct_window *w, int widgetIndex, char *text
 
 static void window_loadsave_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 static void window_loadsave_invalidate(rct_window *w)
@@ -717,7 +717,7 @@ static void window_loadsave_select(rct_window *w, const char *path)
 			if (_stricmp(extension, ".sv6") != 0 && _stricmp(extension, ".sc6") != 0)
 				strcat(newName, ".sv6");
 			if (title_sequence_save_exists(gCurrentTitleSequence, newName)) {
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&_listItems[w->selected_list_item].name;
+				set_format_arg(0, uint32, (uint32)&_listItems[w->selected_list_item].name);
 				window_text_input_open(w, WIDX_SCROLL, 5435, 5404, 1170, (uint32)_listItems[w->selected_list_item].name, TITLE_SEQUENCE_MAX_SAVE_LENGTH - 1);
 			}
 			else {
diff --git a/src/windows/map.c b/src/windows/map.c
index c3f11a7b06..27748edf1d 100644
--- a/src/windows/map.c
+++ b/src/windows/map.c
@@ -639,7 +639,7 @@ static void window_map_textinput(rct_window *w, int widgetIndex, char *text)
  */
 static void window_map_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = 3157;
+	set_format_arg(0, short, 3157);
 }
 
 /**
@@ -927,7 +927,7 @@ static void window_map_show_default_scenario_editor_buttons(rct_window *w) {
 	w->widgets[WIDX_MAP_SIZE_SPINNER].type = WWT_SPINNER;
 	w->widgets[WIDX_MAP_SIZE_SPINNER_UP].type = WWT_DROPDOWN_BUTTON;
 	w->widgets[WIDX_MAP_SIZE_SPINNER_DOWN].type = WWT_DROPDOWN_BUTTON;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = gMapSize - 2;
+	set_format_arg(2, uint16, gMapSize - 2);
 }
 
 static void window_map_inputsize_land(rct_window *w)
diff --git a/src/windows/maze_construction.c b/src/windows/maze_construction.c
index 724b65e7dc..b01c7e1860 100644
--- a/src/windows/maze_construction.c
+++ b/src/windows/maze_construction.c
@@ -419,8 +419,8 @@ static void window_maze_construction_invalidate(rct_window *w)
 	rct_ride *ride = get_ride(_currentRideIndex);
 
 	// Set window title arguments
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, rct_string_id) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint32) = ride->name_arguments;
+	set_format_arg(4, rct_string_id, ride->name);
+	set_format_arg(6, uint32, ride->name_arguments);
 }
 
 /**
diff --git a/src/windows/multiplayer.c b/src/windows/multiplayer.c
index 1ad960f8f7..01e29f979a 100644
--- a/src/windows/multiplayer.c
+++ b/src/windows/multiplayer.c
@@ -428,11 +428,11 @@ static void window_multiplayer_players_scrollpaint(rct_window *w, rct_drawpixeli
 
 			// Draw last action
 			int action = network_get_player_last_action(i, 2000);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_ACTION_NA;
+			set_format_arg(0, uint16, STR_ACTION_NA);
 			if (action != -999) {
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = network_get_action_name_string_id(action);
+				set_format_arg(0, uint16, network_get_action_name_string_id(action));
 			}
-			gfx_draw_string_left_clipped(dpi, 1191, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 256, y - 1, 100);
+			gfx_draw_string_left_clipped(dpi, 1191, gCommonFormatArgs, 0, 256, y - 1, 100);
 
 			// Draw ping
 			lineCh = buffer;
@@ -610,11 +610,11 @@ static void window_multiplayer_groups_paint(rct_window *w, rct_drawpixelinfo *dp
 		lineCh = buffer;
 		lineCh = utf8_write_codepoint(lineCh, FORMAT_WINDOW_COLOUR_2);
 		strcpy(lineCh, network_get_group_name(group));
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, const char *) = buffer;
+		set_format_arg(0, const char *, buffer);
 		gfx_draw_string_centred_clipped(
 			dpi,
 			STR_STRING,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			0,
 			w->x + (widget->left + widget->right - 11) / 2,
 			w->y + widget->top,
@@ -639,11 +639,11 @@ static void window_multiplayer_groups_paint(rct_window *w, rct_drawpixelinfo *dp
 		lineCh = buffer;
 		lineCh = utf8_write_codepoint(lineCh, FORMAT_WINDOW_COLOUR_2);
 		strcpy(lineCh, network_get_group_name(group));
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, const char *) = buffer;
+		set_format_arg(0, const char *, buffer);
 		gfx_draw_string_centred_clipped(
 			dpi,
 			STR_STRING,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			0,
 			w->x + (widget->left + widget->right - 11) / 2,
 			w->y + widget->top,
@@ -680,8 +680,8 @@ static void window_multiplayer_groups_scrollpaint(rct_window *w, rct_drawpixelin
 			}
 
 			// Draw action name
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = network_get_action_name_string_id(i);
-			gfx_draw_string_left(dpi, 1193, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 10, y - 1);
+			set_format_arg(0, uint16, network_get_action_name_string_id(i));
+			gfx_draw_string_left(dpi, 1193, gCommonFormatArgs, 0, 10, y - 1);
 		}
 		y += 10;
 	}
diff --git a/src/windows/new_campaign.c b/src/windows/new_campaign.c
index 36f3f5c6a8..4c31f583d4 100644
--- a/src/windows/new_campaign.c
+++ b/src/windows/new_campaign.c
@@ -342,7 +342,7 @@ static void window_new_campaign_invalidate(rct_window *w)
 		if (w->campaign.ride_id != SELECTED_RIDE_UNDEFINED) {
 			rct_ride *ride = get_ride(w->campaign.ride_id);
 			window_new_campaign_widgets[WIDX_RIDE_DROPDOWN].image = ride->name;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = ride->name_arguments;
+			set_format_arg(0, uint32, ride->name_arguments);
 		}
 		break;
 	case ADVERTISING_CAMPAIGN_FOOD_OR_DRINK_FREE:
diff --git a/src/windows/new_ride.c b/src/windows/new_ride.c
index cc88ecdc70..8c0897000d 100644
--- a/src/windows/new_ride.c
+++ b/src/windows/new_ride.c
@@ -713,7 +713,7 @@ static void window_new_ride_scrollmouseover(rct_window *w, int scrollIndex, int
  */
 static void window_new_ride_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 3159;
+	set_format_arg(0, uint16, 3159);
 }
 
 /**
@@ -865,9 +865,9 @@ static void window_new_ride_paint_ride_information(rct_window *w, rct_drawpixeli
 		rideDescription = item.type + 512;
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, rct_string_id) = rideName;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, rct_string_id) = rideDescription;
-	gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, width, 1690, 0);
+	set_format_arg(0, rct_string_id, rideName);
+	set_format_arg(2, rct_string_id, rideDescription);
+	gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, width, 1690, 0);
 
 	// Number of designs available
 	if (ride_type_has_flag(item.type, RIDE_TYPE_FLAG_HAS_TRACK)) {
diff --git a/src/windows/news.c b/src/windows/news.c
index 7040b8bf40..c0b6d762ce 100644
--- a/src/windows/news.c
+++ b/src/windows/news.c
@@ -250,7 +250,7 @@ static void window_news_scrollmousedown(rct_window *w, int scrollIndex, int x, i
  */
 static void window_news_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 3159;
+	set_format_arg(0, uint16, 3159);
 }
 
 /**
@@ -291,9 +291,9 @@ static void window_news_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int s
 		gfx_fill_rect_inset(dpi, -1, y, 383, y + 41, w->colours[1], 0x24);
 
 		// Date text
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_DATE_DAY_1 + newsItem->day - 1;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = STR_MONTH_MARCH + (newsItem->month_year % 8);
-		gfx_draw_string_left(dpi, 2235, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 2, 4, y);
+		set_format_arg(0, uint16, STR_DATE_DAY_1 + newsItem->day - 1);
+		set_format_arg(2, uint16, STR_MONTH_MARCH + (newsItem->month_year % 8));
+		gfx_draw_string_left(dpi, 2235, gCommonFormatArgs, 2, 4, y);
 
 		// Item text
 		utf8 buffer[400];
diff --git a/src/windows/options.c b/src/windows/options.c
index a4a499bc68..9425f9cfa5 100644
--- a/src/windows/options.c
+++ b/src/windows/options.c
@@ -1318,9 +1318,9 @@ static void window_options_invalidate(rct_window *w)
 
 	switch (w->page) {
 	case WINDOW_OPTIONS_PAGE_DISPLAY:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint16) = (uint16)gConfigGeneral.fullscreen_width;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = (uint16)gConfigGeneral.fullscreen_height;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 12, uint16) = 2773 + gConfigGeneral.fullscreen_mode;
+		set_format_arg(16, uint16, (uint16)gConfigGeneral.fullscreen_width);
+		set_format_arg(18, uint16, (uint16)gConfigGeneral.fullscreen_height);
+		set_format_arg(12, uint16, 2773 + gConfigGeneral.fullscreen_mode);
 
 		// disable resolution dropdown on "Fullscreen (desktop)"
 		if (gConfigGeneral.fullscreen_mode == 2){
@@ -1385,7 +1385,7 @@ static void window_options_invalidate(rct_window *w)
 
 	case WINDOW_OPTIONS_PAGE_CULTURE:
 		// currency: pounds, dollars, etc. (10 total)
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 12, uint16) = CurrencyDescriptors[gConfigGeneral.currency_format].stringId;
+		set_format_arg(12, uint16, CurrencyDescriptors[gConfigGeneral.currency_format].stringId);
 
 		// distance: metric / imperial / si
 		{
@@ -1396,14 +1396,14 @@ static void window_options_invalidate(rct_window *w)
 			case MEASUREMENT_FORMAT_METRIC: stringId = STR_METRIC; break;
 			case MEASUREMENT_FORMAT_SI: stringId = STR_SI; break;
 			}
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 14, uint16) = stringId;
+			set_format_arg(14, uint16, stringId);
 		}
 
 		// temperature: celsius/fahrenheit
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 20, uint16) = STR_CELSIUS + gConfigGeneral.temperature_format;
+		set_format_arg(20, uint16, STR_CELSIUS + gConfigGeneral.temperature_format);
 
 		// height: units/real values
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = gConfigGeneral.show_height_as_units ? STR_UNITS : STR_REAL_VALUES;
+		set_format_arg(6, uint16, gConfigGeneral.show_height_as_units ? STR_UNITS : STR_REAL_VALUES);
 
 		window_options_culture_widgets[WIDX_LANGUAGE].type = WWT_DROPDOWN;
 		window_options_culture_widgets[WIDX_LANGUAGE_DROPDOWN].type = WWT_DROPDOWN_BUTTON;
@@ -1422,21 +1422,21 @@ static void window_options_invalidate(rct_window *w)
 	case WINDOW_OPTIONS_PAGE_AUDIO:
 		// sound devices
 		if (gAudioCurrentDevice == -1 || gAudioDeviceCount == 0) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_SOUND_NONE;
+			set_format_arg(0, uint16, STR_SOUND_NONE);
 		}
 		else {
 #ifndef __LINUX__
 			if (gAudioCurrentDevice == 0)
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 5510;
+				set_format_arg(0, uint16, 5510);
 			else
 #endif // __LINUX__
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 1170;
+				set_format_arg(0, uint16, 1170);
 
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = (uint32)gAudioDevices[gAudioCurrentDevice].name;
+			set_format_arg(2, uint32, (uint32)gAudioDevices[gAudioCurrentDevice].name);
 		}
 
 		// music: on/off
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint16) = STR_OFF + gConfigSound.ride_music_enabled;
+		set_format_arg(8, uint16, STR_OFF + gConfigSound.ride_music_enabled);
 
 		widget_set_checkbox_value(w, WIDX_SOUND_CHECKBOX, gConfigSound.sound_enabled);
 		widget_set_checkbox_value(w, WIDX_MUSIC_CHECKBOX, gConfigSound.ride_music_enabled);
@@ -1660,13 +1660,13 @@ static void window_options_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 		int activeAvailableThemeIndex = theme_manager_get_active_available_theme_index();
 		const utf8 * activeThemeName = theme_manager_get_available_theme_name(activeAvailableThemeIndex);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)activeThemeName;
+		set_format_arg(0, uint32, (uint32)activeThemeName);
 
 		gfx_draw_string_left(dpi, 5238, NULL, w->colours[1], w->x + 10, w->y + window_options_controls_and_interface_widgets[WIDX_THEMES].top + 1);
 		gfx_draw_string_left_clipped(
 			dpi,
 			1170,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			w->colours[1],
 			w->x + window_options_controls_and_interface_widgets[WIDX_THEMES].left + 1,
 			w->y + window_options_controls_and_interface_widgets[WIDX_THEMES].top,
@@ -1696,12 +1696,12 @@ static void window_options_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			w->y + window_options_misc_widgets[WIDX_AUTOSAVE].top
 		);
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&gConfigTitleSequences.presets[gCurrentPreviewTitleSequence].name;
+		set_format_arg(0, uint32, (uint32)&gConfigTitleSequences.presets[gCurrentPreviewTitleSequence].name);
 		gfx_draw_string_left(dpi, STR_TITLE_SEQUENCE, w, w->colours[1], w->x + 10, w->y + window_options_misc_widgets[WIDX_TITLE_SEQUENCE].top + 1);
 		gfx_draw_string_left_clipped(
 			dpi,
 			1170,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			w->colours[1],
 			w->x + window_options_misc_widgets[WIDX_TITLE_SEQUENCE].left + 1,
 			w->y + window_options_misc_widgets[WIDX_TITLE_SEQUENCE].top,
diff --git a/src/windows/park.c b/src/windows/park.c
index 8830d81a19..96ed6b8dc4 100644
--- a/src/windows/park.c
+++ b/src/windows/park.c
@@ -572,8 +572,8 @@ static void window_park_set_disabled_tabs(rct_window *w)
 
 static void window_park_prepare_window_title_text()
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = gParkName;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
+	set_format_arg(0, uint16, gParkName);
+	set_format_arg(2, uint32, gParkNameArgs);
 }
 
 #pragma region Entrance page
@@ -642,7 +642,7 @@ static void window_park_entrance_mouseup(rct_window *w, int widgetIndex)
 		window_scroll_to_viewport(w);
 		break;
 	case WIDX_RENAME:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint32) = gParkNameArgs;
+		set_format_arg(16, uint32, gParkNameArgs);
 		window_text_input_open(w, WIDX_RENAME, STR_PARK_NAME, STR_ENTER_PARK_NAME, gParkName, 0, 32);
 		break;
 	case WIDX_CLOSE_LIGHT:
@@ -946,8 +946,8 @@ static void window_park_entrance_invalidate(rct_window *w)
 	window_park_set_pressed_tab(w);
 
 	// Set open / close park button state
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = gParkName;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = gParkNameArgs;
+	set_format_arg(0, uint16, gParkName);
+	set_format_arg(2, uint32, gParkNameArgs);
 	window_park_entrance_widgets[WIDX_OPEN_OR_CLOSE].image = park_is_open() ? SPR_OPEN : SPR_CLOSED;
 	window_park_entrance_widgets[WIDX_CLOSE_LIGHT].image = SPR_G2_RCT1_CLOSE_BUTTON_0 + !park_is_open() * 2 + widget_is_pressed(w, WIDX_CLOSE_LIGHT);
 	window_park_entrance_widgets[WIDX_OPEN_LIGHT].image = SPR_G2_RCT1_OPEN_BUTTON_0 + park_is_open() * 2 + widget_is_pressed(w, WIDX_OPEN_LIGHT);
@@ -1030,13 +1030,13 @@ static void window_park_entrance_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	}
 
 	// Draw park closed / open label
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = park_is_open() ? STR_PARK_OPEN : STR_PARK_CLOSED;
+	set_format_arg(0, uint16, park_is_open() ? STR_PARK_OPEN : STR_PARK_CLOSED);
 
 	labelWidget = &window_park_entrance_widgets[WIDX_STATUS];
 	gfx_draw_string_centred_clipped(
 		dpi,
 		1191,
-		(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+		gCommonFormatArgs,
 		0,
 		w->x + (labelWidget->left + labelWidget->right) / 2,
 		w->y + labelWidget->top,
@@ -1466,7 +1466,7 @@ static void window_park_price_invalidate(rct_window *w)
 		window_park_price_widgets[WIDX_DECREASE_PRICE].type = WWT_DROPDOWN_BUTTON;
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint32) = gParkEntranceFee;
+	set_format_arg(6, uint32, gParkEntranceFee);
 	window_park_price_widgets[WIDX_PRICE].image = gParkEntranceFee == 0 ? STR_FREE : 1429;
 
 	window_align_tabs(w, WIDX_TAB_1, WIDX_TAB_7);
@@ -1585,21 +1585,21 @@ static void window_park_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		stringIndex = STR_PARK_SIZE_IMPERIAL_LABEL;
 		parkSize = squaredmetres_to_squaredfeet(parkSize);
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = parkSize;
-	gfx_draw_string_left(dpi, stringIndex, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, uint32, parkSize);
+	gfx_draw_string_left(dpi, stringIndex, gCommonFormatArgs, 0, x, y);
 	y += 10;
 
 	// Draw number of rides / attractions
 	if (w->list_information_type != (uint16)-1) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = w->list_information_type;
-		gfx_draw_string_left(dpi, STR_NUMBER_OF_RIDES_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint32, w->list_information_type);
+		gfx_draw_string_left(dpi, STR_NUMBER_OF_RIDES_LABEL, gCommonFormatArgs, 0, x, y);
 	}
 	y += 10;
 
 	// Draw number of staff
 	if (w->var_48C != -1) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = w->var_48C;
-		gfx_draw_string_left(dpi, STR_STAFF_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint32, w->var_48C);
+		gfx_draw_string_left(dpi, STR_STAFF_LABEL, gCommonFormatArgs, 0, x, y);
 	}
 	y += 10;
 
@@ -1745,8 +1745,8 @@ static void window_park_objective_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	x = w->x + window_park_objective_widgets[WIDX_PAGE_BACKGROUND].left + 4;
 	y = w->y + window_park_objective_widgets[WIDX_PAGE_BACKGROUND].top + 7;
 	safe_strcpy((char*)0x009BC677, gScenarioDetails, 256);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = 3165;
-	y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 222, 1191, 0);
+	set_format_arg(0, short, 3165);
+	y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 222, 1191, 0);
 	y += 5;
 
 	// Your objective:
@@ -1754,11 +1754,11 @@ static void window_park_objective_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	y += 10;
 
 	// Objective
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, short) = gScenarioObjectiveNumGuests;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, short) = date_get_total_months(MONTH_OCTOBER, gScenarioObjectiveYear);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, int) = gScenarioObjectiveCurrency;
+	set_format_arg(0, short, gScenarioObjectiveNumGuests);
+	set_format_arg(2, short, date_get_total_months(MONTH_OCTOBER, gScenarioObjectiveYear));
+	set_format_arg(4, int, gScenarioObjectiveCurrency);
 
-	y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 221, 2385 + gScenarioObjectiveType, 0);
+	y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 221, 2385 + gScenarioObjectiveType, 0);
 	y += 5;
 
 	// Objective outcome
@@ -1768,8 +1768,8 @@ static void window_park_objective_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			gfx_draw_string_left_wrapped(dpi, NULL, x, y, 222, 2789, 0);
 		} else {
 			// Objective completed
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, int) = gScenarioCompletedCompanyValue;
-			gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 222, 2788, 0);
+			set_format_arg(0, int, gScenarioCompletedCompanyValue);
+			gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 222, 2788, 0);
 		}
 	}
 }
diff --git a/src/windows/player.c b/src/windows/player.c
index 4e427f5935..f1e109ff99 100644
--- a/src/windows/player.c
+++ b/src/windows/player.c
@@ -366,12 +366,12 @@ void window_player_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		lineCh = buffer;
 		lineCh = utf8_write_codepoint(lineCh, FORMAT_WINDOW_COLOUR_2);
 		strcpy(lineCh, network_get_group_name(groupindex));
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, const char *) = buffer;
+		set_format_arg(0, const char *, buffer);
 
 		gfx_draw_string_centred_clipped(
 			dpi,
 			STR_STRING,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			0,
 			w->x + (widget->left + widget->right - 11) / 2,
 			w->y + widget->top,
@@ -383,8 +383,8 @@ void window_player_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int x = w->x + 90;
 	int y = w->y + 24;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_PING;
-	gfx_draw_string_left(dpi, STR_WINDOW_COLOUR_2_STRING, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+	set_format_arg(0, uint16, STR_PING);
+	gfx_draw_string_left(dpi, STR_WINDOW_COLOUR_2_STRING, gCommonFormatArgs, 0, x, y);
 	char ping[64];
 	sprintf(ping, "%d ms", network_get_player_ping(player));
 	gfx_draw_string(dpi, ping, w->colours[2], x + 30, y);
@@ -394,11 +394,11 @@ void window_player_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	y = w->y + w->height - 13;
 	int width = w->width - 8;
 	int lastaction = network_get_player_last_action(player, 0);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_ACTION_NA;
+	set_format_arg(0, uint16, STR_ACTION_NA);
 	if (lastaction != -999) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = network_get_action_name_string_id(lastaction);
+		set_format_arg(0, uint16, network_get_action_name_string_id(lastaction));
 	}
-	gfx_draw_string_centred_clipped(dpi, STR_LAST_ACTION_RAN, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, width);
+	gfx_draw_string_centred_clipped(dpi, STR_LAST_ACTION_RAN, gCommonFormatArgs, 0, x, y, width);
 
 	if (w->viewport != NULL && w->var_492 != -1) {
 		window_draw_viewport(dpi, w);
@@ -530,13 +530,13 @@ void window_player_statistics_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int x = w->x + window_player_overview_widgets[WIDX_PAGE_BACKGROUND].left + 4;
 	int y = w->y + window_player_overview_widgets[WIDX_PAGE_BACKGROUND].top + 4;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = network_get_player_commands_ran(player);
-	gfx_draw_string_left(dpi, STR_COMMANDS_RAN, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0,x, y);
+	set_format_arg(0, uint32, network_get_player_commands_ran(player));
+	gfx_draw_string_left(dpi, STR_COMMANDS_RAN, gCommonFormatArgs, 0,x, y);
 
 	y += 10;
 	
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = network_get_player_money_spent(player);
-	gfx_draw_string_left(dpi, STR_MONEY_SPENT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0,x, y);
+	set_format_arg(0, uint32, network_get_player_money_spent(player));
+	gfx_draw_string_left(dpi, STR_MONEY_SPENT, gCommonFormatArgs, 0,x, y);
 }
 
 static void window_player_set_page(rct_window* w, int page)
@@ -649,8 +649,8 @@ static void window_player_update_title(rct_window* w)
 {
 	int player = network_get_player_index((uint8)w->number);
 	if (player != -1) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, const char *) = network_get_player_name(player); // set title caption to player name
+		set_format_arg(0, const char *, network_get_player_name(player)); // set title caption to player name
 	} else {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, const char *) = "";
+		set_format_arg(0, const char *, "");
 	}
 }
diff --git a/src/windows/research.c b/src/windows/research.c
index 13a7c2e399..35dee13374 100644
--- a/src/windows/research.c
+++ b/src/windows/research.c
@@ -336,8 +336,8 @@ void window_research_development_page_paint(rct_window *w, rct_drawpixelinfo *dp
 		gfx_draw_string_left_wrapped(dpi, &stringId, x, y, 296, STR_RESEARCH_PROGRESS_LABEL, 0);
 		y += 15;
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_UNKNOWN;
-		gfx_draw_string_left(dpi, STR_RESEARCH_EXPECTED_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, STR_UNKNOWN);
+		gfx_draw_string_left(dpi, STR_RESEARCH_EXPECTED_LABEL, gCommonFormatArgs, 0, x, y);
 	} else {
 		// Research type
 		stringId = STR_RESEARCH_UNKNOWN;
@@ -364,16 +364,16 @@ void window_research_development_page_paint(rct_window *w, rct_drawpixelinfo *dp
 		y += 15;
 
 		// Expected
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_UNKNOWN;
+		set_format_arg(0, uint16, STR_UNKNOWN);
 		if (gResearchProgressStage != 0) {
 			uint16 expectedDay = gResearchExpectedDay;
 			if (expectedDay != 255) {
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 2289;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = STR_DATE_DAY_1 + expectedDay;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = STR_MONTH_MARCH + gResearchExpectedMonth;
+				set_format_arg(0, uint16, 2289);
+				set_format_arg(2, uint16, STR_DATE_DAY_1 + expectedDay);
+				set_format_arg(4, uint16, STR_MONTH_MARCH + gResearchExpectedMonth);
 			}
 		}
-		gfx_draw_string_left(dpi, STR_RESEARCH_EXPECTED_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		gfx_draw_string_left(dpi, STR_RESEARCH_EXPECTED_LABEL, gCommonFormatArgs, 0, x, y);
 	}
 
 	// Last development
diff --git a/src/windows/ride.c b/src/windows/ride.c
index 0615ec694b..fbb183644f 100644
--- a/src/windows/ride.c
+++ b/src/windows/ride.c
@@ -1666,7 +1666,7 @@ static void window_ride_rename(rct_window *w)
 	rct_ride *ride;
 
 	ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint32) = ride->name_arguments;
+	set_format_arg(16, uint32, ride->name_arguments);
 	window_text_input_open(w, WIDX_RENAME, STR_RIDE_ATTRACTION_NAME, STR_ENTER_NEW_NAME_FOR_THIS_RIDE_ATTRACTION, ride->name, ride->name_arguments, 32);
 }
 
@@ -1733,8 +1733,8 @@ static void window_ride_main_mouseup(rct_window *w, int widgetIndex)
 			break;
 		}
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 		ride_set_status(w->number, status);
 		break;
 	}
@@ -1974,8 +1974,8 @@ static void window_ride_main_dropdown(rct_window *w, int widgetIndex, int dropdo
 			break;
 		}
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = ride->name_arguments;
+		set_format_arg(6, uint16, ride->name);
+		set_format_arg(8, uint32, ride->name_arguments);
 		ride_set_status(w->number, status);
 		break;
 	}
@@ -2070,8 +2070,8 @@ static void window_ride_main_invalidate(rct_window *w)
 	if (ride->lifecycle_flags & (RIDE_LIFECYCLE_INDESTRUCTIBLE | RIDE_LIFECYCLE_INDESTRUCTIBLE_TRACK))
 		w->disabled_widgets |= (1 << 22);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 	window_ride_main_widgets[WIDX_OPEN].image = SPR_CLOSED + ride->status;
 
 	window_ride_main_widgets[WIDX_CLOSE_LIGHT].image = SPR_G2_RCT1_CLOSE_BUTTON_0 + (ride->status == RIDE_STATUS_CLOSED) * 2 + widget_is_pressed(w, WIDX_CLOSE_LIGHT);
@@ -2296,13 +2296,13 @@ static void window_ride_main_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	if (w->ride.view != 0) {
 		stringId = RideNameConvention[ride->type].vehicle_name + 6;
 		if (w->ride.view > ride->num_vehicles) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = w->ride.view - ride->num_vehicles;
+			set_format_arg(2, uint16, w->ride.view - ride->num_vehicles);
 			stringId = RideNameConvention[ride->type].station_name + 6;
 		} else {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = w->ride.view;
+			set_format_arg(2, uint16, w->ride.view);
 		}
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = stringId;
+	set_format_arg(0, uint16, stringId);
 
 	widget = &window_ride_main_widgets[WIDX_VIEW];
 	gfx_draw_string_centred(
@@ -2311,15 +2311,15 @@ static void window_ride_main_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		w->x + (widget->left + widget->right - 11) / 2,
 		w->y + widget->top,
 		0,
-		(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS
+		gCommonFormatArgs
 	);
 
 	// Status
 	widget = &window_ride_main_widgets[WIDX_STATUS];
 	gfx_draw_string_centred_clipped(
 		dpi,
-		window_ride_get_status(w, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS),
-		(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+		window_ride_get_status(w, gCommonFormatArgs),
+		gCommonFormatArgs,
 		0,
 		w->x + (widget->left + widget->right) / 2,
 		w->y + widget->top,
@@ -2522,8 +2522,8 @@ static void window_ride_vehicle_invalidate(rct_window *w)
 	ride = get_ride(w->number);
 	rideEntry = get_ride_entry_by_ride(ride);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	// Widget setup
 	carsPerTrain = ride->num_cars_per_train - rideEntry->zero_cars;
@@ -2565,12 +2565,12 @@ static void window_ride_vehicle_invalidate(rct_window *w)
 
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = carsPerTrain;
+	set_format_arg(6, uint16, carsPerTrain);
 	stringId = RideNameConvention[ride->type].vehicle_name + 4;
 	if (ride->num_vehicles > 1)
 		stringId++;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint16) = stringId;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, uint16) = ride->num_vehicles;
+	set_format_arg(8, uint16, stringId);
+	set_format_arg(10, uint16, ride->num_vehicles);
 
 	window_ride_anchor_border_widgets(w);
 	window_align_tabs(w, WIDX_TAB_1, WIDX_TAB_10);
@@ -3075,8 +3075,8 @@ static void window_ride_operating_invalidate(rct_window *w)
 	ride = get_ride(w->number);
 	rideEntry = get_ride_entry_by_ride(ride);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	// Widget setup
 	w->pressed_widgets &= ~0x44700000;
@@ -3087,7 +3087,7 @@ static void window_ride_operating_invalidate(rct_window *w)
 		window_ride_operating_widgets[WIDX_LIFT_HILL_SPEED].type = WWT_SPINNER;
 		window_ride_operating_widgets[WIDX_LIFT_HILL_SPEED_INCREASE].type = WWT_DROPDOWN_BUTTON;
 		window_ride_operating_widgets[WIDX_LIFT_HILL_SPEED_DECREASE].type = WWT_DROPDOWN_BUTTON;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 20, uint16) = ride->lift_hill_speed;
+		set_format_arg(20, uint16, ride->lift_hill_speed);
 	} else {
 		window_ride_operating_widgets[WIDX_LIFT_HILL_SPEED_LABEL].type = WWT_EMPTY;
 		window_ride_operating_widgets[WIDX_LIFT_HILL_SPEED].type = WWT_EMPTY;
@@ -3101,7 +3101,7 @@ static void window_ride_operating_invalidate(rct_window *w)
 		window_ride_operating_widgets[WIDX_OPERATE_NUMBER_OF_CIRCUITS].type = WWT_SPINNER;
 		window_ride_operating_widgets[WIDX_OPERATE_NUMBER_OF_CIRCUITS_INCREASE].type = WWT_DROPDOWN_BUTTON;
 		window_ride_operating_widgets[WIDX_OPERATE_NUMBER_OF_CIRCUITS_DECREASE].type = WWT_DROPDOWN_BUTTON;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 22, uint16) = ride->num_circuits;
+		set_format_arg(22, uint16, ride->num_circuits);
 	} else {
 		window_ride_operating_widgets[WIDX_OPERATE_NUMBER_OF_CIRCUITS_LABEL].type = WWT_EMPTY;
 		window_ride_operating_widgets[WIDX_OPERATE_NUMBER_OF_CIRCUITS].type = WWT_EMPTY;
@@ -3154,10 +3154,10 @@ static void window_ride_operating_invalidate(rct_window *w)
 		window_ride_operating_widgets[WIDX_MAXIMUM_LENGTH_INCREASE].type = WWT_DROPDOWN_BUTTON;
 		window_ride_operating_widgets[WIDX_MAXIMUM_LENGTH_DECREASE].type = WWT_DROPDOWN_BUTTON;
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, uint16) = 1217;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 12, uint16) = ride->min_waiting_time;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 14, uint16) = 1217;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint16) = ride->max_waiting_time;
+		set_format_arg(10, uint16, 1217);
+		set_format_arg(12, uint16, ride->min_waiting_time);
+		set_format_arg(14, uint16, 1217);
+		set_format_arg(16, uint16, ride->max_waiting_time);
 
 		if (ride->depart_flags & RIDE_DEPART_WAIT_FOR_LOAD)
 			w->pressed_widgets |= (1 << WIDX_LOAD_CHECKBOX);
@@ -3187,25 +3187,25 @@ static void window_ride_operating_invalidate(rct_window *w)
 		w->pressed_widgets |= (1 << WIDX_MAXIMUM_LENGTH_CHECKBOX);
 
 	// Mode specific functionality
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = ride->operation_option;
+	set_format_arg(18, uint16, ride->operation_option);
 	switch (ride->mode) {
 	case RIDE_MODE_POWERED_LAUNCH_PASSTROUGH:
 	case RIDE_MODE_POWERED_LAUNCH:
 	case RIDE_MODE_UPWARD_LAUNCH:
 	case RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = (ride->launch_speed * 9) / 4;
+		set_format_arg(18, uint16, (ride->launch_speed * 9) / 4);
 		format = 1331;
 		caption = STR_LAUNCH_SPEED;
 		tooltip = STR_LAUNCH_SPEED_TIP;
 		break;
 	case RIDE_MODE_STATION_TO_STATION:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = (ride->speed * 9) / 4;
+		set_format_arg(18, uint16, (ride->speed * 9) / 4);
 		format = 1331;
 		caption = STR_SPEED;
 		tooltip = STR_SPEED_TIP;
 		break;
 	case RIDE_MODE_RACE:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = ride->num_laps;
+		set_format_arg(18, uint16, ride->num_laps);
 		format = 1736;
 		caption = STR_NUMBER_OF_LAPS;
 		tooltip = STR_NUMBER_OF_LAPS_TIP;
@@ -3238,7 +3238,7 @@ static void window_ride_operating_invalidate(rct_window *w)
 
 	if (format != 0) {
 		if (ride->type == RIDE_TYPE_TWIST)
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) *= 3;
+			get_format_arg(18, uint16) *= 3;
 
 		window_ride_operating_widgets[WIDX_MODE_TWEAK_LABEL].type = WWT_24;
 		window_ride_operating_widgets[WIDX_MODE_TWEAK_LABEL].image = caption;
@@ -3601,8 +3601,8 @@ static void window_ride_maintenance_invalidate(rct_window *w)
 	window_ride_set_pressed_tab(w);
 
 	rct_ride *ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	window_ride_maintenance_widgets[WIDX_INSPECTION_INTERVAL].image = STR_EVERY_10_MINUTES + ride->inspection_interval;
 
@@ -3712,9 +3712,9 @@ static void window_ride_maintenance_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			} else {
 				mechanicSprite = &(g_sprite_list[ride->mechanic].peep);
 				if (peep_is_mechanic(mechanicSprite)) {
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = mechanicSprite->name_string_idx;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = mechanicSprite->id;
-					gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x + 4, y, 280, stringId, 0);
+					set_format_arg(0, uint16, mechanicSprite->name_string_idx);
+					set_format_arg(2, uint32, mechanicSprite->id);
+					gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x + 4, y, 280, stringId, 0);
 				}
 			}
 		}
@@ -4090,8 +4090,8 @@ static void window_ride_colour_invalidate(rct_window *w)
 	ride = get_ride(w->number);
 	rideEntry = get_ride_entry_by_ride(ride);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	// Track colours
 	int colourScheme = w->ride_colour;
@@ -4206,10 +4206,10 @@ static void window_ride_colour_invalidate(rct_window *w)
 			window_ride_colour_widgets[WIDX_VEHICLE_COLOUR_SCHEME].type = WWT_EMPTY;
 			window_ride_colour_widgets[WIDX_VEHICLE_COLOUR_SCHEME_DROPDOWN].type = WWT_EMPTY;
 		}
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS +  6, uint16) = STR_ALL_VEHICLES_IN_SAME_COLOURS + vehicleColourSchemeType;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS +  8, uint16) = RideNameConvention[ride->type].vehicle_name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, uint16) = RideNameConvention[ride->type].vehicle_name + 2;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 12, uint16) = w->var_48C + 1;
+		set_format_arg( 6, uint16, STR_ALL_VEHICLES_IN_SAME_COLOURS + vehicleColourSchemeType);
+		set_format_arg( 8, uint16, RideNameConvention[ride->type].vehicle_name);
+		set_format_arg(10, uint16, RideNameConvention[ride->type].vehicle_name + 2);
+		set_format_arg(12, uint16, w->var_48C + 1);
 		// Vehicle index
 		if (vehicleColourSchemeType != 0) {
 			window_ride_colour_widgets[WIDX_VEHICLE_COLOUR_INDEX].type = WWT_DROPDOWN;
@@ -4230,7 +4230,7 @@ static void window_ride_colour_invalidate(rct_window *w)
 		window_ride_colour_widgets[WIDX_VEHICLE_ADDITIONAL_COLOUR_2].type = WWT_EMPTY;
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 14, uint16) = STR_MAIN_COLOUR_SCHEME + colourScheme;
+	set_format_arg(14, uint16, STR_MAIN_COLOUR_SCHEME + colourScheme);
 
 	window_ride_anchor_border_widgets(w);
 	window_align_tabs(w, WIDX_TAB_1, WIDX_TAB_10);
@@ -4566,8 +4566,8 @@ static void window_ride_music_invalidate(rct_window *w)
 	window_ride_set_pressed_tab(w);
 
 	rct_ride *ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	// Set selected music
 	window_ride_music_widgets[WIDX_MUSIC].image = STR_MUSIC_STYLE_START + ride->music;
@@ -4847,8 +4847,8 @@ static void window_ride_measurements_invalidate(rct_window *w)
 	window_ride_set_pressed_tab(w);
 
 	rct_ride *ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	window_ride_measurements_widgets[WIDX_SAVE_TRACK_DESIGN].tooltip = STR_SAVE_TRACK_DESIGN_NOT_POSSIBLE;
 	window_ride_measurements_widgets[WIDX_SAVE_TRACK_DESIGN].type = WWT_EMPTY;
@@ -4913,15 +4913,15 @@ static void window_ride_measurements_paint(rct_window *w, rct_drawpixelinfo *dpi
 
 		if (ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED) {
 			// Excitement
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = ride->excitement;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = STR_RATING_LOW + min(ride->excitement >> 8, 5);
+			set_format_arg(0, uint32, ride->excitement);
+			set_format_arg(4, uint16, STR_RATING_LOW + min(ride->excitement >> 8, 5));
 			stringId = ride->excitement == -1 ? STR_EXCITEMENT_RATING_NOT_YET_AVAILABLE : STR_EXCITEMENT_RATING;
-			gfx_draw_string_left(dpi, stringId, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+			gfx_draw_string_left(dpi, stringId, gCommonFormatArgs, 0, x, y);
 			y += 10;
 
 			// Intensity
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = ride->intensity;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = STR_RATING_LOW + min(ride->intensity >> 8, 5);
+			set_format_arg(0, uint32, ride->intensity);
+			set_format_arg(4, uint16, STR_RATING_LOW + min(ride->intensity >> 8, 5));
 
 			stringId = STR_INTENSITY_RATING;
 			if (ride->excitement == -1)
@@ -4929,14 +4929,14 @@ static void window_ride_measurements_paint(rct_window *w, rct_drawpixelinfo *dpi
 			else if (ride->intensity >= RIDE_RATING(10,00))
 				stringId = STR_INTENSITY_RATING_RED;
 
-			gfx_draw_string_left(dpi, stringId, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+			gfx_draw_string_left(dpi, stringId, gCommonFormatArgs, 0, x, y);
 			y += 10;
 
 			// Nausea
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = ride->nausea;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = STR_RATING_LOW + min(ride->nausea >> 8, 5);
+			set_format_arg(0, uint32, ride->nausea);
+			set_format_arg(4, uint16, STR_RATING_LOW + min(ride->nausea >> 8, 5));
 			stringId = ride->excitement == -1 ? STR_NAUSEA_RATING_NOT_YET_AVAILABLE : STR_NAUSEA_RATING;
-			gfx_draw_string_left(dpi, stringId, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+			gfx_draw_string_left(dpi, stringId, gCommonFormatArgs, 0, x, y);
 			y += 20;
 
 			// Horizontal rule
@@ -4964,22 +4964,22 @@ static void window_ride_measurements_paint(rct_window *w, rct_drawpixelinfo *dpi
 					for (i = 0; i < ride->num_stations; i++) {
 						time = ride->time[numTimes];
 						if (time != 0) {
-							RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0 + (numTimes * 4), uint16) = 1343;
-							RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2 + (numTimes * 4), uint16) = time;
+							set_format_arg(0 + (numTimes * 4), uint16, 1343);
+							set_format_arg(2 + (numTimes * 4), uint16, time);
 							numTimes++;
 						}
 					}
 					if (numTimes == 0) {
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 1343;
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = 0;
+						set_format_arg(0, uint16, 1343);
+						set_format_arg(2, uint16, 0);
 						numTimes++;
 					}
 					RCT2_GLOBAL(0x013CE94E + (numTimes * 4), uint16) = 1342;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0 + (numTimes * 4), uint16) = 0;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2 + (numTimes * 4), uint16) = 0;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4 + (numTimes * 4), uint16) = 0;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6 + (numTimes * 4), uint16) = 0;
-					gfx_draw_string_left_clipped(dpi, STR_RIDE_TIME, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, 308);
+					set_format_arg(0 + (numTimes * 4), uint16, 0);
+					set_format_arg(2 + (numTimes * 4), uint16, 0);
+					set_format_arg(4 + (numTimes * 4), uint16, 0);
+					set_format_arg(6 + (numTimes * 4), uint16, 0);
+					gfx_draw_string_left_clipped(dpi, STR_RIDE_TIME, gCommonFormatArgs, 0, x, y, 308);
 					y += 10;
 				}
 
@@ -4989,22 +4989,22 @@ static void window_ride_measurements_paint(rct_window *w, rct_drawpixelinfo *dpi
 					length = ride->length[numLengths];
 					if (length != 0) {
 						length >>= 16;
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0 + (numLengths * 4), uint16) = 1346;
-						RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2 + (numLengths * 4), uint16) = (length & 0xFFFF);
+						set_format_arg(0 + (numLengths * 4), uint16, 1346);
+						set_format_arg(2 + (numLengths * 4), uint16, (length & 0xFFFF));
 						numLengths++;
 					}
 				}
 				if (numLengths == 0) {
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 1346;
-					RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = 0;
+					set_format_arg(0, uint16, 1346);
+					set_format_arg(2, uint16, 0);
 					numLengths++;
 				}
 				RCT2_GLOBAL(0x013CE94E + (numLengths * 4), uint16) = 1345;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0 + (numLengths * 4), uint16) = 0;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2 + (numLengths * 4), uint16) = 0;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4 + (numLengths * 4), uint16) = 0;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6 + (numLengths * 4), uint16) = 0;
-				gfx_draw_string_left_clipped(dpi, STR_RIDE_LENGTH, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, 308);
+				set_format_arg(0 + (numLengths * 4), uint16, 0);
+				set_format_arg(2 + (numLengths * 4), uint16, 0);
+				set_format_arg(4 + (numLengths * 4), uint16, 0);
+				set_format_arg(6 + (numLengths * 4), uint16, 0);
+				gfx_draw_string_left_clipped(dpi, STR_RIDE_LENGTH, gCommonFormatArgs, 0, x, y, 308);
 				y += 10;
 
 				if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_HAS_G_FORCES)) {
@@ -5212,12 +5212,12 @@ static void window_ride_graphs_tooltip(rct_window* w, int widgetIndex, rct_strin
 	rct_string_id message;
 
 	if (widgetIndex == WIDX_GRAPH) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 3158;
+		set_format_arg(0, uint16, 3158);
 		measurement = ride_get_measurement(w->number, &message);
 		if (measurement != NULL && (measurement->flags & RIDE_MEASUREMENT_FLAG_RUNNING)) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = measurement->vehicle_index + 1;
+			set_format_arg(4, uint16, measurement->vehicle_index + 1);
 			ride = get_ride(w->number);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = RideNameConvention[ride->type].vehicle_name + 6;
+			set_format_arg(2, uint16, RideNameConvention[ride->type].vehicle_name + 6);
 		} else {
 			*stringId = message;
 		}
@@ -5248,8 +5248,8 @@ static void window_ride_graphs_invalidate(rct_window *w)
 
 	ride = get_ride(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	// Set pressed graph button type
 	w->pressed_widgets &= ~(1 << WIDX_GRAPH_VELOCITY);
@@ -5319,7 +5319,7 @@ static void window_ride_graphs_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi
 		x = (widget->right - widget->left) / 2;
 		y = (widget->bottom - widget->top) / 2 - 5;
 		width = widget->right - widget->left - 2;
-		gfx_draw_string_centred_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, width, stringId, 0);
+		gfx_draw_string_centred_wrapped(dpi, gCommonFormatArgs, x, y, width, stringId, 0);
 		return;
 	}
 
@@ -5690,8 +5690,8 @@ static void window_ride_income_invalidate(rct_window *w)
 	window_ride_set_pressed_tab(w);
 
 	rct_ride *ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	rideEntry = get_ride_entry_by_ride(ride);
 
@@ -5711,7 +5711,7 @@ static void window_ride_income_invalidate(rct_window *w)
 	window_ride_income_widgets[WIDX_PRIMARY_PRICE_SAME_THROUGHOUT_PARK].type = WWT_EMPTY;
 
 	window_ride_income_widgets[WIDX_PRIMARY_PRICE].image = 1429;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, money32) = ride->price;
+	set_format_arg(6, money32, ride->price);
 	if (ride->price == 0)
 		window_ride_income_widgets[WIDX_PRIMARY_PRICE].image = STR_FREE;
 
@@ -5764,7 +5764,7 @@ static void window_ride_income_invalidate(rct_window *w)
 
 		// Set secondary item price
 		window_ride_income_widgets[WIDX_SECONDARY_PRICE].image = 1799;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 10, money32) = ride->price_secondary;
+		set_format_arg(10, money32, ride->price_secondary);
 		if (ride->price_secondary == 0)
 			window_ride_income_widgets[WIDX_SECONDARY_PRICE].image = STR_FREE;
 	}
@@ -5941,8 +5941,8 @@ static void window_ride_customer_invalidate(rct_window *w)
 	window_ride_set_pressed_tab(w);
 
 	rct_ride *ride = get_ride(w->number);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+	set_format_arg(0, uint16, ride->name);
+	set_format_arg(2, uint32, ride->name_arguments);
 
 	window_ride_customer_widgets[WIDX_SHOW_GUESTS_THOUGHTS].type = WWT_FLATBTN;
 	if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_IS_SHOP)) {
@@ -6022,9 +6022,9 @@ static void window_ride_customer_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	// Primary shop items sold
 	shopItem = get_ride_entry_by_ride(ride)->shop_item;
 	if (shopItem != SHOP_ITEM_NONE) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ShopItemStringIds[shopItem].plural;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->no_primary_items_sold;
-		gfx_draw_string_left(dpi, STR_ITEMS_SOLD, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, ShopItemStringIds[shopItem].plural);
+		set_format_arg(2, uint32, ride->no_primary_items_sold);
+		gfx_draw_string_left(dpi, STR_ITEMS_SOLD, gCommonFormatArgs, 0, x, y);
 		y += 10;
 	}
 
@@ -6033,9 +6033,9 @@ static void window_ride_customer_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		RCT2_GLOBAL(0x0097D7CB + (ride->type * 4), uint8) :
 		get_ride_entry_by_ride(ride)->shop_item_secondary;
 	if (shopItem != SHOP_ITEM_NONE) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ShopItemStringIds[shopItem].plural;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->no_secondary_items_sold;
-		gfx_draw_string_left(dpi, STR_ITEMS_SOLD, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, ShopItemStringIds[shopItem].plural);
+		set_format_arg(2, uint32, ride->no_secondary_items_sold);
+		gfx_draw_string_left(dpi, STR_ITEMS_SOLD, gCommonFormatArgs, 0, x, y);
 		y += 10;
 	}
 
diff --git a/src/windows/ride_construction.c b/src/windows/ride_construction.c
index 3b992a39e4..b8847a1244 100644
--- a/src/windows/ride_construction.c
+++ b/src/windows/ride_construction.c
@@ -2112,20 +2112,20 @@ static void window_ride_construction_invalidate(rct_window *w)
 		if (stringId == STR_RAPIDS && ride->type == RIDE_TYPE_CAR_RIDE)
 			stringId = STR_LOG_BUMPS;
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = stringId;
+	set_format_arg(0, uint16, stringId);
 
 	if (RCT2_GLOBAL(0x00F440D3, uint8) == 1)
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ((RCT2_GLOBAL(0x00F440CD, uint8) * 9) >> 2) & 0xFFFF;
+		set_format_arg(2, uint16, ((RCT2_GLOBAL(0x00F440CD, uint8) * 9) >> 2) & 0xFFFF);
 
 	window_ride_construction_widgets[WIDX_SEAT_ROTATION_ANGLE_SPINNER].image =
 		STR_RIDE_CONSTRUCTION_SEAT_ROTATION_ANGLE_NEG_180 + _currentSeatRotationAngle;
 
 	if (RCT2_GLOBAL(0x00F440D3, uint8) == 2)
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ((RCT2_GLOBAL(0x00F440CE, uint8) * 9) >> 2) & 0xFFFF;
+		set_format_arg(2, uint16, ((RCT2_GLOBAL(0x00F440CE, uint8) * 9) >> 2) & 0xFFFF);
 
 	// Set window title arguments
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = ride->name;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint32) = ride->name_arguments;
+	set_format_arg(4, uint16, ride->name);
+	set_format_arg(6, uint32, ride->name_arguments);
 }
 
 /**
diff --git a/src/windows/ride_list.c b/src/windows/ride_list.c
index 71f4bf46c0..71bac37203 100644
--- a/src/windows/ride_list.c
+++ b/src/windows/ride_list.c
@@ -424,7 +424,7 @@ static void window_ride_list_scrollmouseover(rct_window *w, int scrollIndex, int
  */
 static void window_ride_list_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 /**
@@ -537,43 +537,43 @@ static void window_ride_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 		switch (_window_ride_list_information_type) {
 		case INFORMATION_TYPE_STATUS:
 			ride_get_status(w->list_item_positions[i], &formatSecondary, &argument);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint32) = argument;
+			set_format_arg(2, sint32, argument);
 			break;
 		case INFORMATION_TYPE_POPULARITY:
 			formatSecondary = STR_POPULARITY_UNKNOWN_LABEL;
 			if (ride->popularity != 255) {
 				formatSecondary = STR_POPULARITY_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->popularity * 4;
+				set_format_arg(2, uint16, ride->popularity * 4);
 			}
 			break;
 		case INFORMATION_TYPE_SATISFACTION:
 			formatSecondary = STR_SATISFACTION_UNKNOWN_LABEL;
 			if (ride->satisfaction != 255) {
 				formatSecondary = STR_SATISFACTION_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->satisfaction * 5;
+				set_format_arg(2, uint16, ride->satisfaction * 5);
 			}
 			break;
 		case INFORMATION_TYPE_PROFIT:
 			formatSecondary = 0;
 			if (ride->profit != MONEY32_UNDEFINED) {
 				formatSecondary = STR_PROFIT_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint32) = ride->profit;
+				set_format_arg(2, sint32, ride->profit);
 			}
 			break;
 		case INFORMATION_TYPE_TOTAL_CUSTOMERS:
 			formatSecondary = STR_RIDE_LIST_TOTAL_CUSTOMERS_LABEL;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->total_customers;
+			set_format_arg(2, uint32, ride->total_customers);
 			break;
 		case INFORMATION_TYPE_TOTAL_PROFIT:
 			formatSecondary = 0;
 			if (ride->total_profit != MONEY32_UNDEFINED) {
 				formatSecondary = STR_RIDE_LIST_TOTAL_PROFIT_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint32) = ride->total_profit;
+				set_format_arg(2, sint32, ride->total_profit);
 			}
 			break;
 		case INFORMATION_TYPE_CUSTOMERS:
 			formatSecondary = STR_RIDE_LIST_CUSTOMERS_PER_HOUR_LABEL;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride_customers_per_hour(ride);
+			set_format_arg(2, uint32, ride_customers_per_hour(ride));
 			break;
 		case INFORMATION_TYPE_AGE:;
 			sint16 age = date_get_year(gDateMonthsElapsed - ride->build_date);
@@ -582,52 +582,52 @@ static void window_ride_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 			case 1:  formatSecondary = STR_RIDE_LIST_BUILT_LAST_YEAR_LABEL; break;
 			default: formatSecondary = STR_RIDE_LIST_BUILT_X_YEARS_AGO_LABEL; break;
 			}
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint16) = age;
+			set_format_arg(2, sint16, age);
 			break;
 		case INFORMATION_TYPE_INCOME:
 			formatSecondary = 0;
 			if (ride->income_per_hour != MONEY32_UNDEFINED) {
 				formatSecondary = STR_RIDE_LIST_INCOME_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint32) = ride->income_per_hour;
+				set_format_arg(2, sint32, ride->income_per_hour);
 			}
 			break;
 		case INFORMATION_TYPE_RUNNING_COST:
 			formatSecondary = STR_RIDE_LIST_RUNNING_COST_UNKNOWN;
 			if (ride->upkeep_cost != (money16)0xFFFF) {
 				formatSecondary = STR_RIDE_LIST_RUNNING_COST_LABEL;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, sint32) = ride->upkeep_cost * 16;
+				set_format_arg(2, sint32, ride->upkeep_cost * 16);
 			}
 			break;
 		case INFORMATION_TYPE_QUEUE_LENGTH:
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride_get_total_queue_length(ride);
+			set_format_arg(2, uint16, ride_get_total_queue_length(ride));
 			formatSecondary = STR_QUEUE_EMPTY;
-			if (RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) == 1)
+			if (get_format_arg(2, uint16) == 1)
 				formatSecondary = STR_QUEUE_ONE_PERSON;
-			else if (RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) > 1)
+			else if (get_format_arg(2, uint16) > 1)
 				formatSecondary = STR_QUEUE_PEOPLE;
 			break;
 		case INFORMATION_TYPE_QUEUE_TIME:
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride_get_max_queue_time(ride);
+			set_format_arg(2, uint16, ride_get_max_queue_time(ride));
 			formatSecondary = STR_QUEUE_TIME_LABEL;
-			if (RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) > 1)
+			if (get_format_arg(2, uint16) > 1)
 				formatSecondary = STR_QUEUE_TIME_PLURAL_LABEL;
 			break;
 		case INFORMATION_TYPE_RELIABILITY:
 			// edx = RCT2_GLOBAL(0x009ACFA4 + (ride->var_001 * 4), uint32);
 
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->reliability >> 8;
+			set_format_arg(2, uint16, ride->reliability >> 8);
 			formatSecondary = STR_RELIABILITY_LABEL;
 			break;
 		case INFORMATION_TYPE_DOWN_TIME:
 			// edx = RCT2_GLOBAL(0x009ACFA4 + (ride->var_001 * 4), uint32);
 
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->downtime;
+			set_format_arg(2, uint16, ride->downtime);
 			formatSecondary = STR_DOWN_TIME_LABEL;
 			break;
 		case INFORMATION_TYPE_GUESTS_FAVOURITE:
 			formatSecondary = 0;
 			if (RCT2_ADDRESS(0x0097C3AF, uint8)[ride->type] == PAGE_RIDES) {
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ride->guests_favourite;
+				set_format_arg(2, uint16, ride->guests_favourite);
 				formatSecondary = ride->guests_favourite == 1 ? STR_GUESTS_FAVOURITE_LABEL : STR_GUESTS_FAVOURITE_PLURAL_LABEL;
 			}
 			break;
@@ -637,8 +637,8 @@ static void window_ride_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 		if (formatSecondary == STR_BROKEN_DOWN || formatSecondary == STR_CRASHED)
 			format = 1192;
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = formatSecondary;
-		gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 160, y - 1, 157);
+		set_format_arg(0, uint16, formatSecondary);
+		gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 160, y - 1, 157);
 		y += 10;
 	}
 }
@@ -867,8 +867,8 @@ static void window_ride_list_close_all(rct_window *w)
 			continue;
 		if (ride->status == RIDE_STATUS_CLOSED)
 			continue;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = w->scrolls[0].v_top;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = w->scrolls[0].v_bottom;
+		set_format_arg(6, uint16, w->scrolls[0].v_top);
+		set_format_arg(8, uint32, w->scrolls[0].v_bottom);
 
 		ride_set_status(i, RIDE_STATUS_CLOSED);
 	}
@@ -884,8 +884,8 @@ static void window_ride_list_open_all(rct_window *w)
 			continue;
 		if (ride->status == RIDE_STATUS_OPEN)
 			continue;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, uint16) = w->scrolls[0].v_top;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 8, uint32) = w->scrolls[0].v_bottom;
+		set_format_arg(6, uint16, w->scrolls[0].v_top);
+		set_format_arg(8, uint32, w->scrolls[0].v_bottom);
 
 		ride_set_status(i, RIDE_STATUS_OPEN);
 	}
diff --git a/src/windows/scenery.c b/src/windows/scenery.c
index ef85536709..a92ae6215d 100644
--- a/src/windows/scenery.c
+++ b/src/windows/scenery.c
@@ -867,7 +867,7 @@ void window_scenery_tooltip(rct_window* w, int widgetIndex, rct_string_id *strin
 {
 	switch (widgetIndex) {
 	case WIDX_SCENERY_LIST:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 3159;
+		set_format_arg(0, uint16, 3159);
 		break;
 	case WIDX_SCENERY_TAB_1:
 	case WIDX_SCENERY_TAB_2:
@@ -888,10 +888,10 @@ void window_scenery_tooltip(rct_window* w, int widgetIndex, rct_string_id *strin
 	case WIDX_SCENERY_TAB_17:
 	case WIDX_SCENERY_TAB_18:
 	case WIDX_SCENERY_TAB_19:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = get_scenery_group_entry(widgetIndex - WIDX_SCENERY_TAB_1)->name;
+		set_format_arg(0, uint16, get_scenery_group_entry(widgetIndex - WIDX_SCENERY_TAB_1)->name);
 		break;
 	case WIDX_SCENERY_TAB_20:
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = 1813;
+		set_format_arg(0, uint16, 1813);
 		break;
 	}
 }
@@ -1072,16 +1072,16 @@ void window_scenery_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		price = gSceneryPlaceCost;
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = price;
+	set_format_arg(0, uint32, price);
 
 	if (!(gParkFlags & PARK_FLAGS_NO_MONEY)) {
 		// -14
-		gfx_draw_string_right(dpi, STR_COST_LABEL, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0,
+		gfx_draw_string_right(dpi, STR_COST_LABEL, gCommonFormatArgs, 0,
 			w->x + w->width - 0x1A, w->y + w->height - 13);
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = sceneryEntry->name;
-	gfx_draw_string_left_clipped(dpi, 0x4A7, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0,
+	set_format_arg(0, uint16, sceneryEntry->name);
+	gfx_draw_string_left_clipped(dpi, 0x4A7, gCommonFormatArgs, 0,
 		w->x + 3, w->y + w->height - 13, w->width - 19);
 }
 
diff --git a/src/windows/server_list.c b/src/windows/server_list.c
index 3d65a4b326..204df7e9d7 100644
--- a/src/windows/server_list.c
+++ b/src/windows/server_list.c
@@ -215,7 +215,7 @@ static void window_server_list_mouseup(rct_window *w, int widgetIndex)
 		int serverIndex = w->selected_list_item;
 		if (serverIndex >= 0 && serverIndex < _numServerEntries) {
 			if (strcmp(_serverEntries[serverIndex].version, NETWORK_STREAM_ID) != 0 && strcmp(_serverEntries[serverIndex].version, "") != 0) {
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void *) = _serverEntries[serverIndex].version;
+				set_format_arg(0, void *, _serverEntries[serverIndex].version);
 				window_error_open(STR_UNABLE_TO_CONNECT_TO_SERVER, STR_MULTIPLAYER_INCORRECT_SOFTWARE_VERSION);
 				break;
 			}
@@ -251,7 +251,7 @@ static void window_server_list_dropdown(rct_window *w, int widgetIndex, int drop
 	switch (dropdownIndex) {
 	case DDIDX_JOIN:
 		if (strcmp(_serverEntries[serverIndex].version, NETWORK_STREAM_ID) != 0 && strcmp(_serverEntries[serverIndex].version, "") != 0) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, void *) = _serverEntries[serverIndex].version;
+			set_format_arg(0, void *, _serverEntries[serverIndex].version);
 			window_error_open(STR_UNABLE_TO_CONNECT_TO_SERVER, STR_MULTIPLAYER_INCORRECT_SOFTWARE_VERSION);
 			break;
 		}
@@ -375,7 +375,7 @@ static void window_server_list_invalidate(rct_window *w)
 {
 	colour_scheme_update(w);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, char *) = gVersion;
+	set_format_arg(0, char *, gVersion);
 	window_server_list_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_server_list_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
 	window_server_list_widgets[WIDX_TITLE].right = w->width - 2;
diff --git a/src/windows/server_start.c b/src/windows/server_start.c
index e02160d547..1b8370367a 100644
--- a/src/windows/server_start.c
+++ b/src/windows/server_start.c
@@ -275,7 +275,7 @@ static void window_server_start_invalidate(rct_window *w)
 	colour_scheme_update_by_class(w, WC_SERVER_LIST);
 
 	widget_set_checkbox_value(w, WIDX_ADVERTISE_CHECKBOX, gConfigNetwork.advertise);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 18, uint16) = gConfigNetwork.maxplayers;
+	set_format_arg(18, uint16, gConfigNetwork.maxplayers);
 }
 
 static void window_server_start_paint(rct_window *w, rct_drawpixelinfo *dpi)
diff --git a/src/windows/shortcut_key_change.c b/src/windows/shortcut_key_change.c
index 1898b7ba59..33c4e81908 100644
--- a/src/windows/shortcut_key_change.c
+++ b/src/windows/shortcut_key_change.c
@@ -117,6 +117,6 @@ static void window_shortcut_change_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int x = w->x + 125;
 	int y = w->y + 30;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = ShortcutStringIds[RCT2_GLOBAL(0x009DE511, uint8)];
-	gfx_draw_string_centred_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 242, 2785, RCT2_GLOBAL(0x9DEB8D, uint8));
+	set_format_arg(0, uint16, ShortcutStringIds[RCT2_GLOBAL(0x009DE511, uint8)]);
+	gfx_draw_string_centred_wrapped(dpi, gCommonFormatArgs, x, y, 242, 2785, RCT2_GLOBAL(0x9DEB8D, uint8));
 }
diff --git a/src/windows/shortcut_keys.c b/src/windows/shortcut_keys.c
index fd696ccba1..d2c8689cbc 100644
--- a/src/windows/shortcut_keys.c
+++ b/src/windows/shortcut_keys.c
@@ -194,7 +194,7 @@ static void window_shortcut_paint(rct_window *w, rct_drawpixelinfo *dpi)
 */
 static void window_shortcut_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 /**
@@ -258,9 +258,9 @@ static void window_shortcut_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, i
 		char *templateString = (char*)language_get_string(templateStringId);
 		keyboard_shortcut_format_string(templateString, gShortcutKeys[i]);
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_SHORTCUT_ENTRY_FORMAT;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = ShortcutStringIds[i];
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint16) = templateStringId;
-		gfx_draw_string_left(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 0, y - 1);
+		set_format_arg(0, uint16, STR_SHORTCUT_ENTRY_FORMAT);
+		set_format_arg(2, uint16, ShortcutStringIds[i]);
+		set_format_arg(4, uint16, templateStringId);
+		gfx_draw_string_left(dpi, format, gCommonFormatArgs, 0, 0, y - 1);
 	}
 }
diff --git a/src/windows/sign.c b/src/windows/sign.c
index f7c8892caa..47a7ac164a 100644
--- a/src/windows/sign.c
+++ b/src/windows/sign.c
@@ -254,7 +254,7 @@ static void window_sign_mouseup(rct_window *w, int widgetIndex)
 	case WIDX_SIGN_TEXT:
 		if (banner->flags&BANNER_FLAG_2){
 			rct_ride* ride = get_ride(banner->colour);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint32) = ride->name_arguments;
+			set_format_arg(16, uint32, ride->name_arguments);
 			string_id = ride->name;
 		}
 		else
@@ -518,7 +518,7 @@ static void window_sign_small_mouseup(rct_window *w, int widgetIndex)
 	case WIDX_SIGN_TEXT:
 		if (banner->flags&BANNER_FLAG_2){
 			rct_ride* ride = get_ride(banner->colour);
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 16, uint32) = ride->name_arguments;
+			set_format_arg(16, uint32, ride->name_arguments);
 			string_id = ride->name;
 		}
 		else
diff --git a/src/windows/staff.c b/src/windows/staff.c
index bb4cf8817d..9194012078 100644
--- a/src/windows/staff.c
+++ b/src/windows/staff.c
@@ -728,8 +728,8 @@ void window_staff_stats_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_staff_stats_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_staff_stats_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -763,8 +763,8 @@ void window_staff_options_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	switch (peep->staff_type){
 	case STAFF_TYPE_ENTERTAINER:
@@ -838,8 +838,8 @@ void window_staff_overview_invalidate(rct_window *w)
 
 	rct_peep* peep = GET_PEEP(w->number);
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	window_staff_overview_widgets[WIDX_BACKGROUND].right = w->width - 1;
 	window_staff_overview_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
@@ -902,13 +902,13 @@ void window_staff_overview_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	uint32 argument1, argument2;
 	rct_peep* peep = GET_PEEP(w->number);
 	get_arguments_from_action(peep, &argument1, &argument2);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument1;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument2;
+	set_format_arg(0, uint32, argument1);
+	set_format_arg(4, uint32, argument2);
 	rct_widget* widget = &w->widgets[WIDX_BTM_LABEL];
 	int x = (widget->left + widget->right) / 2 + w->x;
 	int y = w->y + widget->top;
 	int width = widget->right - widget->left;
-	gfx_draw_string_centred_clipped(dpi, 1191, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, width);
+	gfx_draw_string_centred_clipped(dpi, 1191, gCommonFormatArgs, 0, x, y, width);
 }
 
 /**
@@ -1044,11 +1044,9 @@ void window_staff_stats_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	int x = w->x + window_staff_stats_widgets[WIDX_RESIZE].left + 4;
 	int y = w->y + window_staff_stats_widgets[WIDX_RESIZE].top + 4;
 
-	if (!(gParkFlags & PARK_FLAGS_NO_MONEY)){
-
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS,uint32) = RCT2_ADDRESS(0x992A00,uint16)[peep->staff_type];
-		gfx_draw_string_left(dpi, 2349, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0,x, y);
-
+	if (!(gParkFlags & PARK_FLAGS_NO_MONEY)) {
+		set_format_arg(0, uint32, RCT2_ADDRESS(0x00992A00, uint16)[peep->staff_type]);
+		gfx_draw_string_left(dpi, 2349, gCommonFormatArgs, 0, x, y);
 		y += 10;
 	}
 
diff --git a/src/windows/staff_fire_prompt.c b/src/windows/staff_fire_prompt.c
index 8d65d80cea..9f9f6902f1 100644
--- a/src/windows/staff_fire_prompt.c
+++ b/src/windows/staff_fire_prompt.c
@@ -134,11 +134,11 @@ static void window_staff_fire_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	rct_peep* peep = &g_sprite_list[w->number].peep;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
+	set_format_arg(0, uint16, peep->name_string_idx);
+	set_format_arg(2, uint32, peep->id);
 
 	int x = w->x + WW / 2;
 	int y = w->y + (WH / 2) - 3;
 
-	gfx_draw_string_centred_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, WW - 4, STR_FIRE_STAFF_ID, 0);
+	gfx_draw_string_centred_wrapped(dpi, gCommonFormatArgs, x, y, WW - 4, STR_FIRE_STAFF_ID, 0);
 }
diff --git a/src/windows/staff_list.c b/src/windows/staff_list.c
index 55119764ee..14fa4ddb0c 100644
--- a/src/windows/staff_list.c
+++ b/src/windows/staff_list.c
@@ -368,7 +368,7 @@ static void window_staff_list_tooldown(rct_window *w, int widgetIndex, int x, in
 			rct_window *staffWindow = window_staff_open(closestPeep);
 			window_event_dropdown_call(staffWindow, 11, 0);
 		} else {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, rct_string_id) = STR_HANDYMAN_PLURAL + selectedPeepType;
+			set_format_arg(0, rct_string_id, STR_HANDYMAN_PLURAL + selectedPeepType);
 			window_error_open(STR_NO_THING_IN_PARK_YET, STR_NONE);
 		}
 	}
@@ -469,7 +469,7 @@ void window_staff_list_scrollmouseover(rct_window *w, int scrollIndex, int x, in
 */
 void window_staff_list_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 /**
@@ -584,8 +584,8 @@ void window_staff_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	}
 
 	if (!(gParkFlags & PARK_FLAGS_NO_MONEY)) {
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = RCT2_ADDRESS(0x00992A00, uint16)[selectedTab];
-		gfx_draw_string_left(dpi, 1858, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, w->x + w->width - 155, w->y + 0x20);
+		set_format_arg(0, uint32, RCT2_ADDRESS(0x00992A00, uint16)[selectedTab]);
+		gfx_draw_string_left(dpi, 1858, gCommonFormatArgs, 0, w->x + w->width - 155, w->y + 0x20);
 	}
 
 	if (selectedTab < 3) {
@@ -598,10 +598,10 @@ void window_staff_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		staffTypeStringId += 4;
 	}
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = _window_staff_list_selected_type_count;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = staffTypeStringId;
+	set_format_arg(0, uint16, _window_staff_list_selected_type_count);
+	set_format_arg(2, uint16, staffTypeStringId);
 
-	gfx_draw_string_left(dpi, STR_STAFF_LIST_COUNTER, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, w->x + 4, window_staff_list_widgets[WIDX_STAFF_LIST_LIST].bottom + w->y + 2);
+	gfx_draw_string_left(dpi, STR_STAFF_LIST_COUNTER, gCommonFormatArgs, 0, w->x + 4, window_staff_list_widgets[WIDX_STAFF_LIST_LIST].bottom + w->y + 2);
 }
 
 /**
@@ -634,14 +634,14 @@ void window_staff_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int sc
 					format = (_quick_fire_mode ? 5299 : 1193);
 				}
 
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = peep->name_string_idx;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = peep->id;
-				gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 0, y - 1, 107);
+				set_format_arg(0, uint16, peep->name_string_idx);
+				set_format_arg(2, uint32, peep->id);
+				gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 0, y - 1, 107);
 
 				get_arguments_from_action(peep, &argument_1, &argument_2);
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = argument_1;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, uint32) = argument_2;
-				gfx_draw_string_left_clipped(dpi, format, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, 175, y - 1, 305);
+				set_format_arg(0, uint32, argument_1);
+				set_format_arg(4, uint32, argument_2);
+				gfx_draw_string_left_clipped(dpi, format, gCommonFormatArgs, 0, 175, y - 1, 305);
 
 				// True if a patrol path is set for the worker
 				if (RCT2_ADDRESS(RCT2_ADDRESS_STAFF_MODE_ARRAY, uint8)[peep->staff_id] & 2) {
diff --git a/src/windows/themes.c b/src/windows/themes.c
index 8bd598f1e4..f607a4f294 100644
--- a/src/windows/themes.c
+++ b/src/windows/themes.c
@@ -679,7 +679,7 @@ static void window_themes_textinput(rct_window *w, int widgetIndex, char *text)
 
 void window_themes_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 void window_themes_invalidate(rct_window *w)
@@ -766,12 +766,12 @@ void window_themes_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS) {
 		int activeAvailableThemeIndex = theme_manager_get_active_available_theme_index();
 		const utf8 * activeThemeName = theme_manager_get_available_theme_name(activeAvailableThemeIndex);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)activeThemeName;
+		set_format_arg(0, uint32, (uint32)activeThemeName);
 		gfx_draw_string_left(dpi, 5238, NULL, w->colours[1], w->x + 10, w->y + window_themes_widgets[WIDX_THEMES_PRESETS].top + 1);
 		gfx_draw_string_left_clipped(
 			dpi,
 			1170,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			w->colours[1],
 			w->x + window_themes_widgets[WIDX_THEMES_PRESETS].left + 1,
 			w->y + window_themes_widgets[WIDX_THEMES_PRESETS].top,
diff --git a/src/windows/tile_inspector.c b/src/windows/tile_inspector.c
index 5e5c31aa00..47c1bb3422 100644
--- a/src/windows/tile_inspector.c
+++ b/src/windows/tile_inspector.c
@@ -514,27 +514,27 @@ static void window_tile_inspector_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	// Draw column headers
 	rct_widget *widget;
 	if ((widget= &w->widgets[WIDX_COLUMN_TYPE])->type != WWT_EMPTY) {
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_ELEMENT_TYPE, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_ELEMENT_TYPE, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 	if ((widget = &w->widgets[WIDX_COLUMN_BASEHEIGHT])->type != WWT_EMPTY)
 	{
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_BASE_HEIGHT_SHORT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_BASE_HEIGHT_SHORT, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 	if ((widget = &w->widgets[WIDX_COLUMN_CLEARANCEHEIGHT])->type != WWT_EMPTY)
 	{
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_CLEARANGE_HEIGHT_SHORT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_CLEARANGE_HEIGHT_SHORT, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 	if ((widget = &w->widgets[WIDX_COLUMN_GHOSTFLAG])->type != WWT_EMPTY)
 	{
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_GHOST_SHORT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_GHOST_SHORT, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 	if ((widget = &w->widgets[WIDX_COLUMN_BROKENFLAG])->type != WWT_EMPTY)
 	{
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_BROKEN_SHORT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_BROKEN_SHORT, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 	if ((widget = &w->widgets[WIDX_COLUMN_LASTFLAG])->type != WWT_EMPTY)
 	{
-		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_LAST_SHORT, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
+		gfx_draw_string_left_clipped(dpi, STR_TILE_INSPECTOR_FLAG_LAST_SHORT, gCommonFormatArgs, w->colours[1], w->x + widget->left + 1, w->y + widget->top + 1, widget->right - widget->left);
 	}
 
 	// Draw coordinates
diff --git a/src/windows/title_command_editor.c b/src/windows/title_command_editor.c
index 4a5aa5e451..00b59db128 100644
--- a/src/windows/title_command_editor.c
+++ b/src/windows/title_command_editor.c
@@ -564,11 +564,11 @@ static void window_title_command_editor_paint(rct_window *w, rct_drawpixelinfo *
 				);
 		}
 		else {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&gConfigTitleSequences.presets[gCurrentTitleSequence].saves[command.saveIndex];
+			set_format_arg(0, uint32, (uint32)&gConfigTitleSequences.presets[gCurrentTitleSequence].saves[command.saveIndex]);
 			gfx_draw_string_left_clipped(
 				dpi,
 				1170,
-				(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+				gCommonFormatArgs,
 				w->colours[1],
 				w->x + w->widgets[WIDX_INPUT].left + 1,
 				w->y + w->widgets[WIDX_INPUT].top,
diff --git a/src/windows/title_editor.c b/src/windows/title_editor.c
index ff0d939e22..ef8e2f51e9 100644
--- a/src/windows/title_editor.c
+++ b/src/windows/title_editor.c
@@ -736,7 +736,7 @@ static void window_title_editor_textinput(rct_window *w, int widgetIndex, char *
 
 void window_title_editor_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 void window_title_editor_invalidate(rct_window *w)
@@ -855,12 +855,12 @@ void window_title_editor_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	switch (w->selected_tab) {
 	case WINDOW_TITLE_EDITOR_TAB_PRESETS:
 
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&gConfigTitleSequences.presets[gCurrentTitleSequence].name;
+		set_format_arg(0, uint32, (uint32)&gConfigTitleSequences.presets[gCurrentTitleSequence].name);
 		gfx_draw_string_left(dpi, 5304, NULL, w->colours[1], w->x + 10, w->y + window_title_editor_widgets[WIDX_TITLE_EDITOR_PRESETS].top + 1);
 		gfx_draw_string_left_clipped(
 			dpi,
 			1170,
-			(void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS,
+			gCommonFormatArgs,
 			w->colours[1],
 			w->x + window_title_editor_widgets[WIDX_TITLE_EDITOR_PRESETS].left + 1,
 			w->y + window_title_editor_widgets[WIDX_TITLE_EDITOR_PRESETS].top,
@@ -907,16 +907,16 @@ void window_title_editor_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int
 				gfx_fill_rect(dpi, x, y, x + SCROLL_WIDTH + 100, y + ROW_HEIGHT - 1, ColourMapA[w->colours[1]].lighter | 0x1000000);
 			}
 
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&title->saves[i];
+			set_format_arg(0, uint32, (uint32)&title->saves[i]);
 			if (selected || hover) {
-				format_string(buffer, 1170, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+				format_string(buffer, 1170, gCommonFormatArgs);
 			}
 			else {
-				format_string(buffer + 1, 1170, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+				format_string(buffer + 1, 1170, gCommonFormatArgs);
 				buffer[0] = FORMAT_BLACK;
 			}
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&buffer;
-			gfx_draw_string_left(dpi, 1170, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], x + 5, y);
+			set_format_arg(0, uint32, (uint32)&buffer);
+			gfx_draw_string_left(dpi, 1170, gCommonFormatArgs, w->colours[1], x + 5, y);
 		}
 	}
 	else if (w->selected_tab == WINDOW_TITLE_EDITOR_TAB_SCRIPT) {
@@ -947,35 +947,35 @@ void window_title_editor_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int
 					commandName = 5416;
 					error = true;
 				}
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&title->saves[command->saveIndex];
+				set_format_arg(0, uint32, (uint32)&title->saves[command->saveIndex]);
 				break;
 			case TITLE_SCRIPT_LOADMM:
 				commandName = 5414;
 				break;
 			case TITLE_SCRIPT_LOCATION:
 				commandName = 5418;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = command->x;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = command->y;
+				set_format_arg(0, uint16, command->x);
+				set_format_arg(2, uint16, command->y);
 				break;
 			case TITLE_SCRIPT_ROTATE:
 				commandName = 5420;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = command->rotations;
+				set_format_arg(0, uint16, command->rotations);
 				break;
 			case TITLE_SCRIPT_ZOOM:
 				commandName = 5422;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = command->zoom;
+				set_format_arg(0, uint16, command->zoom);
 				break;
 			case TITLE_SCRIPT_SPEED:
 				commandName = 5443;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = (uint16)(5142 + command->speed - 1);
+				set_format_arg(0, uint16, (uint16)(5142 + command->speed - 1));
 				break;
 			case TITLE_SCRIPT_WAIT:
 				commandName = 5424;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = command->seconds;
+				set_format_arg(0, uint16, command->seconds);
 				break;
 			case TITLE_SCRIPT_RESTART:
 				commandName = 5425;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = command->zoom;
+				set_format_arg(0, uint16, command->zoom);
 				break;
 			case TITLE_SCRIPT_END:
 				commandName = 5426;
@@ -985,14 +985,14 @@ void window_title_editor_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int
 			}
 
 			if ((selected || hover) && !error) {
-				format_string(buffer, commandName, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+				format_string(buffer, commandName, gCommonFormatArgs);
 			}
 			else {
-				format_string(buffer + 1, commandName, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+				format_string(buffer + 1, commandName, gCommonFormatArgs);
 				buffer[0] = (error ? ((selected || hover) ? FORMAT_LIGHTPINK : FORMAT_RED) : FORMAT_BLACK);
 			}
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = (uint32)&buffer;
-			gfx_draw_string_left(dpi, 1170, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, w->colours[1], x + 5, y);
+			set_format_arg(0, uint32, (uint32)&buffer);
+			gfx_draw_string_left(dpi, 1170, gCommonFormatArgs, w->colours[1], x + 5, y);
 		}
 	}
 }
diff --git a/src/windows/title_scenarioselect.c b/src/windows/title_scenarioselect.c
index d7ffcfd977..cb73374c08 100644
--- a/src/windows/title_scenarioselect.c
+++ b/src/windows/title_scenarioselect.c
@@ -370,11 +370,11 @@ static void window_scenarioselect_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		y = (widget->top + widget->bottom) / 2 + w->y - 3;
 
 		if (gConfigGeneral.scenario_select_mode == SCENARIO_SELECT_MODE_ORIGIN) {
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = STR_SCENARIO_CATEGORY_RCT1 + i;
+			set_format_arg(0, short, STR_SCENARIO_CATEGORY_RCT1 + i);
 		} else { // old-style
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = ScenarioCategoryStringIds[i];
+			set_format_arg(0, short, ScenarioCategoryStringIds[i]);
 		}
-		gfx_draw_string_centred_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 87, format, 10);
+		gfx_draw_string_centred_wrapped(dpi, gCommonFormatArgs, x, y, 87, format, 10);
 	}
 
 	// Return if no scenario highlighted
@@ -406,21 +406,21 @@ static void window_scenarioselect_paint(rct_window *w, rct_drawpixelinfo *dpi)
 	x = w->x + window_scenarioselect_widgets[WIDX_SCENARIOLIST].right + 4;
 	y = w->y + window_scenarioselect_widgets[WIDX_TABCONTENT].top + 5;
 	safe_strcpy((char*)0x009BC677, scenario->name, 64);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = 3165; // empty string
-	gfx_draw_string_centred_clipped(dpi, 1193, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x + 85, y, 170);
+	set_format_arg(0, short, 3165); // empty string
+	gfx_draw_string_centred_clipped(dpi, 1193, gCommonFormatArgs, 0, x + 85, y, 170);
 	y += 15;
 
 	// Scenario details
 	safe_strcpy((char*)0x009BC677, scenario->details, 256);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = 3165; // empty string
-	y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 170, 1191, 0) + 5;
+	set_format_arg(0, short, 3165); // empty string
+	y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 170, 1191, 0) + 5;
 
 	// Scenario objective
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = scenario->objective_type + STR_OBJECTIVE_NONE;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, short) = scenario->objective_arg_3;
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 4, short) = date_get_total_months(MONTH_OCTOBER, scenario->objective_arg_1);
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 6, int) = scenario->objective_arg_2;
-	y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 170, STR_OBJECTIVE, 0) + 5;
+	set_format_arg(0, short, scenario->objective_type + STR_OBJECTIVE_NONE);
+	set_format_arg(2, short, scenario->objective_arg_3);
+	set_format_arg(4, short, date_get_total_months(MONTH_OCTOBER, scenario->objective_arg_1));
+	set_format_arg(6, int, scenario->objective_arg_2);
+	y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 170, STR_OBJECTIVE, 0) + 5;
 
 	// Scenario score
 	if (scenario->highscore != NULL) {
@@ -429,9 +429,9 @@ static void window_scenarioselect_paint(rct_window *w, rct_drawpixelinfo *dpi)
 			completedByName = scenario->highscore->name;
 		}
 		safe_strcpy((char*)0x009BC677, completedByName, 64);
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, short) = 3165; // empty string
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, int) = scenario->highscore->company_value;
-		y += gfx_draw_string_left_wrapped(dpi, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, x, y, 170, STR_COMPLETED_BY_WITH_COMPANY_VALUE, 0);
+		set_format_arg(0, short, 3165); // empty string
+		set_format_arg(2, int, scenario->highscore->company_value);
+		y += gfx_draw_string_left_wrapped(dpi, gCommonFormatArgs, x, y, 170, STR_COMPLETED_BY_WITH_COMPANY_VALUE, 0);
 	}
 }
 
@@ -493,9 +493,9 @@ static void window_scenarioselect_scrollpaint(rct_window *w, rct_drawpixelinfo *
 					completedByName = scenario->highscore->name;
 				}
 				safe_strcpy((char*)language_get_string(placeholderStringId), completedByName, 64);
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, rct_string_id) = 2793;
-				RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, rct_string_id) = placeholderStringId;
-				gfx_draw_string_centred(dpi, format, wide ? 270 : 210, y + 11, 0, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+				set_format_arg(0, rct_string_id, 2793);
+				set_format_arg(2, rct_string_id, placeholderStringId);
+				gfx_draw_string_centred(dpi, format, wide ? 270 : 210, y + 11, 0, gCommonFormatArgs);
 			}
 
 			y += 24;
diff --git a/src/windows/tooltip.c b/src/windows/tooltip.c
index 4fc4ebf975..2dc50f6c22 100644
--- a/src/windows/tooltip.c
+++ b/src/windows/tooltip.c
@@ -89,7 +89,7 @@ void window_tooltip_show(rct_string_id id, int x, int y)
 	RCT2_GLOBAL(0x0142006C, sint32) = -1;
 	char* buffer = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char);
 
-	format_string(buffer, id, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS);
+	format_string(buffer, id, gCommonFormatArgs);
 	gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
 
 	int tooltip_text_width;
diff --git a/src/windows/track_list.c b/src/windows/track_list.c
index b317c1ad13..68aa045271 100644
--- a/src/windows/track_list.c
+++ b/src/windows/track_list.c
@@ -308,7 +308,7 @@ static void window_track_list_scrollmouseover(rct_window *w, int scrollIndex, in
  */
 static void window_track_list_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
 {
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = STR_LIST;
+	set_format_arg(0, uint16, STR_LIST);
 }
 
 static void window_track_list_update(rct_window *w)
@@ -337,7 +337,7 @@ static void window_track_list_invalidate(rct_window *w)
 	if (!(entry->flags & RIDE_ENTRY_FLAG_SEPARATE_RIDE_NAME) || rideTypeShouldLoseSeparateFlag(entry))
 		stringId = _window_track_list_item.type + 2;
 
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint16) = stringId;
+	set_format_arg(0, uint16, stringId);
 	if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER) {
 		window_track_list_widgets[WIDX_TITLE].image = STR_TRACK_DESIGNS;
 		window_track_list_widgets[WIDX_TRACK_LIST].tooltip = STR_CLICK_ON_DESIGN_TO_RENAME_OR_DELETE_IT;
@@ -475,9 +475,9 @@ static void window_track_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
 		}
 
 		// Ride length
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = 1345;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = td6->ride_length;
-		gfx_draw_string_left_clipped(dpi, STR_TRACK_LIST_RIDE_LENGTH, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y, 214);
+		set_format_arg(0, uint16, 1345);
+		set_format_arg(2, uint16, td6->ride_length);
+		gfx_draw_string_left_clipped(dpi, STR_TRACK_LIST_RIDE_LENGTH, gCommonFormatArgs, 0, x, y, 214);
 		y += 10;
 	}
 
@@ -531,9 +531,9 @@ static void window_track_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
 
 	if (td6->space_required_x != 0xFF) {
 		// Space required
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = td6->space_required_x;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint16) = td6->space_required_y;
-		gfx_draw_string_left(dpi, STR_TRACK_LIST_SPACE_REQUIRED, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y);
+		set_format_arg(0, uint16, td6->space_required_x);
+		set_format_arg(2, uint16, td6->space_required_y);
+		gfx_draw_string_left(dpi, STR_TRACK_LIST_SPACE_REQUIRED, gCommonFormatArgs, 0, x, y);
 		y += 10;
 	}
 
@@ -591,9 +591,9 @@ static void window_track_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 			}
 
 			// Draw track name
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, rct_string_id) = STR_TRACK_LIST_NAME_FORMAT;
-			RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, utf8*) = _trackDesigns[i].name;
-			gfx_draw_string_left(dpi, stringId, (void*)RCT2_ADDRESS_COMMON_FORMAT_ARGS, 0, x, y - 1);
+			set_format_arg(0, rct_string_id, STR_TRACK_LIST_NAME_FORMAT);
+			set_format_arg(2, utf8*, _trackDesigns[i].name);
+			gfx_draw_string_left(dpi, stringId, gCommonFormatArgs, 0, x, y - 1);
 		}
 		y += 10;
 	}
diff --git a/src/windows/viewport.c b/src/windows/viewport.c
index b38cde4687..611fcf8f31 100644
--- a/src/windows/viewport.c
+++ b/src/windows/viewport.c
@@ -217,7 +217,7 @@ static void window_viewport_invalidate(rct_window *w)
 	}
 
 	// Set title
-	RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint32) = w->number;
+	set_format_arg(0, uint32, w->number);
 
 	// Set disabled widgets
 	w->disabled_widgets = 0;
diff --git a/src/world/map.c b/src/world/map.c
index fbdd261f31..75d61dfbe3 100644
--- a/src/world/map.c
+++ b/src/world/map.c
@@ -4046,13 +4046,13 @@ static void map_obstruction_set_error_text(rct_map_element *mapElement)
 	case MAP_ELEMENT_TYPE_TRACK:
 		ride = get_ride(mapElement->properties.track.ride_index);
 		errorStringId = STR_X_IN_THE_WAY;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = ride->name;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 2, uint32) = ride->name_arguments;
+		set_format_arg(0, uint16, ride->name);
+		set_format_arg(2, uint32, ride->name_arguments);
 		break;
 	case MAP_ELEMENT_TYPE_SCENERY:
 		sceneryEntry = get_small_scenery_entry(mapElement->properties.scenery.type);
 		errorStringId = STR_X_IN_THE_WAY;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = sceneryEntry->name;
+		set_format_arg(0, uint16, sceneryEntry->name);
 		break;
 	case MAP_ELEMENT_TYPE_ENTRANCE:
 		switch (mapElement->properties.entrance.type) {
@@ -4070,12 +4070,12 @@ static void map_obstruction_set_error_text(rct_map_element *mapElement)
 	case MAP_ELEMENT_TYPE_FENCE:
 		sceneryEntry = get_wall_entry(mapElement->properties.scenery.type);
 		errorStringId = STR_X_IN_THE_WAY;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = sceneryEntry->name;
+		set_format_arg(0, uint16, sceneryEntry->name);
 		break;
 	case MAP_ELEMENT_TYPE_SCENERY_MULTIPLE:
 		sceneryEntry = get_large_scenery_entry(mapElement->properties.scenery.type);
 		errorStringId = STR_X_IN_THE_WAY;
-		RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS + 0, uint16) = sceneryEntry->name;
+		set_format_arg(0, uint16, sceneryEntry->name);
 		break;
 	}