diff --git a/src/config.c b/src/config.c
index 0294598..1abf7a3 100644
--- a/src/config.c
+++ b/src/config.c
@@ -170,7 +170,7 @@ static void readConfig(Config* config)
 
 	if(lua)
 	{
-		if(luaL_loadstring(lua, config->tic->config.bank.code.data) == LUA_OK && lua_pcall(lua, 0, LUA_MULTRET, 0) == LUA_OK)
+		if(luaL_loadstring(lua, config->tic->config.bank0.code.data) == LUA_OK && lua_pcall(lua, 0, LUA_MULTRET, 0) == LUA_OK)
 		{
 			readConfigVideoLength(config, lua);
 			readConfigVideoScale(config, lua);
diff --git a/src/console.c b/src/console.c
index 48fa4c9..cbd9732 100644
--- a/src/console.c
+++ b/src/console.c
@@ -360,12 +360,12 @@ static bool onConsoleLoadSectionCommand(Console* console, const char* param)
 						switch(i)
 						{
 						case 0: memcpy(&tic->cart.cover, 		&cart->cover, 			sizeof cart->cover); break;
-						case 1: memcpy(&tic->cart.bank.tiles, 	&cart->bank.tiles, 		sizeof(tic_tiles)*2); break;
-						case 2: memcpy(&tic->cart.bank.map, 	&cart->bank.map, 		sizeof(tic_map)); break;
-						case 3: memcpy(&tic->cart.bank.code, 	&cart->bank.code, 		sizeof(tic_code)); break;
-						case 4: memcpy(&tic->cart.bank.sfx, 	&cart->bank.sfx, 		sizeof(tic_sfx)); break;
-						case 5: memcpy(&tic->cart.bank.music, 	&cart->bank.music, 		sizeof(tic_music)); break;
-						case 6: memcpy(&tic->cart.palette, &cart->palette, 	sizeof(tic_palette)); break;
+						case 1: memcpy(&tic->cart.bank0.tiles, 	&cart->bank0.tiles, 	sizeof(tic_tiles)*2); break;
+						case 2: memcpy(&tic->cart.bank0.map, 	&cart->bank0.map, 		sizeof(tic_map)); break;
+						case 3: memcpy(&tic->cart.bank0.code, 	&cart->bank0.code, 		sizeof(tic_code)); break;
+						case 4: memcpy(&tic->cart.bank0.sfx, 	&cart->bank0.sfx, 		sizeof(tic_sfx)); break;
+						case 5: memcpy(&tic->cart.bank0.music, 	&cart->bank0.music, 	sizeof(tic_music)); break;
+						case 6: memcpy(&tic->cart.palette, 		&cart->palette,			sizeof(tic_palette)); break;
 						}
 
 						studioRomLoaded();
@@ -602,14 +602,14 @@ static char* saveBinarySection(char* ptr, const char* comment, const char* tag,
 typedef struct {char* tag; s32 count; s32 offset; s32 size; bool flip;} BinarySection;
 static const BinarySection BinarySections[] = 
 {
-	{"PALETTE", 	1, 					offsetof(tic_cartridge, palette.data), 			sizeof(tic_palette), false},
-	{"TILES", 		TIC_BANK_SPRITES, 	offsetof(tic_cartridge, bank.tiles), 			sizeof(tic_tile), true},
-	{"SPRITES", 	TIC_BANK_SPRITES, 	offsetof(tic_cartridge, bank.sprites), 			sizeof(tic_tile), true},
-	{"MAP", 		TIC_MAP_HEIGHT, 	offsetof(tic_cartridge, bank.map), 				TIC_MAP_WIDTH, true},
-	{"WAVES", 		ENVELOPES_COUNT, 	offsetof(tic_cartridge, bank.sfx.waveform.envelopes), sizeof(tic_waveform), true},
-	{"SFX", 		SFX_COUNT, 			offsetof(tic_cartridge, bank.sfx.data), 		sizeof(tic_sound_effect), true},
-	{"PATTERNS", 	MUSIC_PATTERNS, 	offsetof(tic_cartridge, bank.music.patterns), 	sizeof(tic_track_pattern), true},
-	{"TRACKS", 		MUSIC_TRACKS, 		offsetof(tic_cartridge, bank.music.tracks), 	sizeof(tic_track), true},
+	{"PALETTE", 	1, 					offsetof(tic_cartridge, palette.data), 					sizeof(tic_palette), false},
+	{"TILES", 		TIC_BANK_SPRITES, 	offsetof(tic_cartridge, bank0.tiles), 					sizeof(tic_tile), true},
+	{"SPRITES", 	TIC_BANK_SPRITES, 	offsetof(tic_cartridge, bank0.sprites), 				sizeof(tic_tile), true},
+	{"MAP", 		TIC_MAP_HEIGHT, 	offsetof(tic_cartridge, bank0.map), 					TIC_MAP_WIDTH, true},
+	{"WAVES", 		ENVELOPES_COUNT, 	offsetof(tic_cartridge, bank0.sfx.waveform.envelopes), 	sizeof(tic_waveform), true},
+	{"SFX", 		SFX_COUNT, 			offsetof(tic_cartridge, bank0.sfx.data), 				sizeof(tic_sound_effect), true},
+	{"PATTERNS", 	MUSIC_PATTERNS, 	offsetof(tic_cartridge, bank0.music.patterns), 			sizeof(tic_track_pattern), true},
+	{"TRACKS", 		MUSIC_TRACKS, 		offsetof(tic_cartridge, bank0.music.tracks), 			sizeof(tic_track), true},
 };
 
 static s32 saveProject(Console* console, void* buffer, const char* comment)
@@ -617,7 +617,7 @@ static s32 saveProject(Console* console, void* buffer, const char* comment)
 	tic_mem* tic = console->tic;
 
 	char* stream = buffer;
-	char* ptr = saveTextSection(stream, tic->cart.bank.code.data);
+	char* ptr = saveTextSection(stream, tic->cart.bank0.code.data);
 
 	for(s32 i = 0; i < COUNT_OF(BinarySections); i++)
 	{
@@ -738,7 +738,7 @@ static bool loadProject(Console* console, const char* name, const char* data, s3
 
 			const char* comment = projectComment(name);
 
-			if(loadTextSection(project, comment, cart->bank.code.data, sizeof(tic_code)))
+			if(loadTextSection(project, comment, cart->bank0.code.data, sizeof(tic_code)))
 				done = true;
 
 			for(s32 i = 0; i < COUNT_OF(BinarySections); i++)
@@ -1330,7 +1330,7 @@ static void onImportSprites(const char* name, const void* buffer, size_t size, v
 						tic_rgb rgb = {c->r, c->g, c->b};
 						u8 color = tic_tool_find_closest_color(console->tic->cart.palette.colors, &rgb);
 
-						setSpritePixel(console->tic->cart.bank.tiles.data, x, y, color);
+						setSpritePixel(getBankTiles()->data, x, y, color);
 					}
 
 				gif_close(image);
@@ -1352,8 +1352,8 @@ static void injectMap(Console* console, const void* buffer, s32 size)
 {
 	enum {Size = sizeof(tic_map)};
 
-	SDL_memset(&console->tic->cart.bank.map, 0, Size);
-	SDL_memcpy(&console->tic->cart.bank.map, buffer, SDL_min(size, Size));
+	SDL_memset(getBankMap(), 0, Size);
+	SDL_memcpy(getBankMap(), buffer, SDL_min(size, Size));
 }
 
 static void onImportMap(const char* name, const void* buffer, size_t size, void* data)
@@ -1453,7 +1453,7 @@ static void exportSprites(Console* console)
 		{
 			for (s32 y = 0; y < Height; y++)
 				for (s32 x = 0; x < Width; x++)
-					data[x + y * Width] = getSpritePixel(console->tic->cart.bank.tiles.data, x, y);
+					data[x + y * Width] = getSpritePixel(getBankTiles()->data, x, y);
 
 			s32 size = 0;
 			if((size = writeGifData(console->tic, buffer, data, Width, Height)))
@@ -1493,7 +1493,7 @@ static void exportMap(Console* console)
 
 	if(buffer)
 	{
-		SDL_memcpy(buffer, console->tic->cart.bank.map.data, Size);
+		SDL_memcpy(buffer, getBankMap()->data, Size);
 		fsGetFileData(onMapExported, "world.map", buffer, Size, DEFAULT_CHMOD, console);
 	}
 }
@@ -2714,7 +2714,7 @@ static bool cmdInjectCode(Console* console, const char* param, const char* name)
 	bool watch = strcmp(param, "-code-watch") == 0;
 	if(watch || strcmp(param, "-code") == 0)
 	{
-		bool loaded = loadFileIntoBuffer(console, console->embed.file->bank.code.data, name);
+		bool loaded = loadFileIntoBuffer(console, console->embed.file->bank0.code.data, name);
 
 		if(loaded)
 		{
@@ -2765,7 +2765,7 @@ static bool cmdInjectSprites(Console* console, const char* param, const char* na
 						tic_rgb rgb = {c->r, c->g, c->b};
 						u8 color = tic_tool_find_closest_color(console->embed.file->palette.colors, &rgb);
 
-						setSpritePixel(console->embed.file->bank.tiles.data, x, y, color);
+						setSpritePixel(console->embed.file->bank0.tiles.data, x, y, color);
 					}
 
 				gif_close(image);
diff --git a/src/dialog.c b/src/dialog.c
index a61c16b..2f5be5f 100644
--- a/src/dialog.c
+++ b/src/dialog.c
@@ -170,7 +170,7 @@ static void drawDialog(Dialog* dlg)
 
 	{
 		u8 chromakey = 14;
-		tic->api.sprite_ex(tic, &tic->config.bank.tiles, 2, rect.x+6, rect.y-4, 2, 2, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
+		tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 2, rect.x+6, rect.y-4, 2, 2, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
 	}
 
 	{
diff --git a/src/map.c b/src/map.c
index 28c939e..64a6d0a 100644
--- a/src/map.c
+++ b/src/map.c
@@ -1185,7 +1185,7 @@ void initMap(Map* map, tic_mem* tic)
 			.gesture = false,
 			.start = {0, 0},
 		},
-		.history = history_create(&tic->cart.bank.map, sizeof(tic_map)),
+		.history = history_create(&tic->cart.bank0.map, sizeof(tic_map)),
 		.event = onStudioEvent,
 		.overlap = overlap,
 	};
diff --git a/src/menu.c b/src/menu.c
index 935ce3a..746ecf8 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -124,7 +124,7 @@ static void drawDialog(Menu* menu)
 
 	{
 		u8 chromakey = 14;
-		tic->api.sprite_ex(tic, &tic->config.bank.tiles, 0, rect.x+6, rect.y-4, 2, 2, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
+		tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 0, rect.x+6, rect.y-4, 2, 2, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
 	}	
 }
 
@@ -209,7 +209,7 @@ static void drawPlayerButtons(Menu* menu, s32 x, s32 y)
 		if(menu->gamepad.selected == index && menu->ticks % TIC_FRAMERATE < TIC_FRAMERATE / 2)
 			continue;
 
-		tic->api.sprite_ex(tic, &tic->config.bank.tiles, 8+i, rect.x, rect.y, 1, 1, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
+		tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 8+i, rect.x, rect.y, 1, 1, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
 
 		s32 code = codes[index];
 		char label[32];
diff --git a/src/music.c b/src/music.c
index 7672eb4..9156718 100644
--- a/src/music.c
+++ b/src/music.c
@@ -1327,7 +1327,7 @@ static void drawTumbler(Music* music, s32 x, s32 y, s32 index)
 	}
 
 	u8 color = Chroma;
-	tic->api.sprite(tic, &tic->config.bank.tiles, music->tracker.patterns[index] ? On : Off, x, y, &color, 1);
+	tic->api.sprite(tic, &tic->config.bank0.tiles, music->tracker.patterns[index] ? On : Off, x, y, &color, 1);
 }
 
 static void drawTracker(Music* music, s32 x, s32 y)
@@ -1643,7 +1643,7 @@ void initMusic(Music* music, tic_mem* tic)
 		},
 
 		.tab = MUSIC_TRACKER_TAB,
-		.history = history_create(&tic->cart.bank.music, sizeof(tic_music)),
+		.history = history_create(&tic->cart.bank0.music, sizeof(tic_music)),
 		.event = onStudioEvent,
 	};
 
diff --git a/src/run.c b/src/run.c
index 93c1897..e54c21d 100644
--- a/src/run.c
+++ b/src/run.c
@@ -80,7 +80,7 @@ static const char* getPMemName(Run* run)
 {
 	static char buffer[FILENAME_MAX];
 
-	const char* data = strlen(run->tic->saveid) ? run->tic->saveid : run->tic->cart.bank.code.data;
+	const char* data = strlen(run->tic->saveid) ? run->tic->saveid : run->tic->cart.bank0.code.data;
 	char* md5 = data2md5(data, (s32)strlen(data));
 	strcpy(buffer, TIC_LOCAL);
 	strcat(buffer, md5);
@@ -124,9 +124,9 @@ static void processDoFile(void* data, char* dst)
 	static const char DoFileTag[] = "dofile(";
 	enum {Size = sizeof DoFileTag - 1};
 
-	if (memcmp(tic->cart.bank.code.data, DoFileTag, Size) == 0)
+	if (memcmp(tic->cart.bank0.code.data, DoFileTag, Size) == 0)
 	{
-		const char* start = tic->cart.bank.code.data + Size;
+		const char* start = tic->cart.bank0.code.data + Size;
 		const char* end = strchr(start, ')');
 
 		if(end && *start == *(end-1) && (*start == '"' || *start == '\''))
diff --git a/src/sfx.c b/src/sfx.c
index 1de5c4c..48957c8 100644
--- a/src/sfx.c
+++ b/src/sfx.c
@@ -1058,8 +1058,8 @@ void initSfx(Sfx* sfx, tic_mem* tic)
 		.tab = SFX_ENVELOPES_TAB,
 		.history =
 		{
-			.envelope = history_create(&tic->cart.bank.sfx.data, sizeof tic->cart.bank.sfx.data),
-			.waveform = history_create(&tic->cart.bank.sfx.waveform, sizeof tic->cart.bank.sfx.waveform),
+			.envelope = history_create(&tic->cart.bank0.sfx.data, sizeof tic->cart.bank0.sfx.data),
+			.waveform = history_create(&tic->cart.bank0.sfx.waveform, sizeof tic->cart.bank0.sfx.waveform),
 		},
 		.event = onStudioEvent,
 	};
diff --git a/src/sprite.c b/src/sprite.c
index 97fce55..0bb39c9 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -1570,7 +1570,7 @@ void initSprite(Sprite* sprite, tic_mem* tic)
 			.front = sprite->select.front,
 		},
 		.mode = SPRITE_DRAW_MODE,
-		.history = history_create(&tic->cart.bank.tiles, TIC_SPRITES * sizeof(tic_tile)),
+		.history = history_create(&tic->cart.bank0.tiles, TIC_SPRITES * sizeof(tic_tile)),
 		.event = onStudioEvent,
 		.overlap = overlap,
 	};
diff --git a/src/studio.c b/src/studio.c
index 5acb661..3ad34b3 100644
--- a/src/studio.c
+++ b/src/studio.c
@@ -337,7 +337,7 @@ tic_music* getBankMusic()
 
 void playSystemSfx(s32 id)
 {
-	const tic_sound_effect* effect = &studio.tic->config.bank.sfx.data[id];
+	const tic_sound_effect* effect = &studio.tic->config.bank0.sfx.data[id];
 	studio.tic->api.sfx_ex(studio.tic, id, effect->note, effect->octave, -1, 0, MAX_VOLUME, 0);
 }
 
@@ -2209,7 +2209,7 @@ static void renderCursor()
 	SDL_ShowCursor(getConfig()->theme.cursor.sprite >= 0 ? SDL_DISABLE : SDL_ENABLE);
 
 	if(getConfig()->theme.cursor.sprite >= 0)
-		blitCursor(studio.tic->config.bank.tiles.data[getConfig()->theme.cursor.sprite].data);
+		blitCursor(studio.tic->config.bank0.tiles.data[getConfig()->theme.cursor.sprite].data);
 }
 
 static void useSystemPalette()
@@ -2264,8 +2264,8 @@ static void renderStudio()
 		case TIC_DIALOG_MODE:
 		case TIC_MENU_MODE:
 		case TIC_SURF_MODE:
-			sfx = &studio.tic->config.bank.sfx;
-			music = &studio.tic->config.bank.music;
+			sfx = &studio.tic->config.bank0.sfx;
+			music = &studio.tic->config.bank0.music;
 			break;
 		default:
 			sfx = getBankSfx();
@@ -2448,7 +2448,7 @@ static void initTouchGamepad()
 	if (!studio.renderer)
 		return;
 
-	studio.tic->api.map(studio.tic, &studio.tic->config.bank.map, &studio.tic->config.bank.tiles, 0, 0, TIC_MAP_SCREEN_WIDTH, TIC_MAP_SCREEN_HEIGHT, 0, 0, -1, 1);
+	studio.tic->api.map(studio.tic, &studio.tic->config.bank0.map, &studio.tic->config.bank0.tiles, 0, 0, TIC_MAP_SCREEN_WIDTH, TIC_MAP_SCREEN_HEIGHT, 0, 0, -1, 1);
 
 	if(!studio.gamepad.texture)
 	{
@@ -2475,7 +2475,7 @@ static void updateSystemFont()
 	for(s32 i = 0; i < TIC_FONT_CHARS; i++)
 		for(s32 y = 0; y < TIC_SPRITESIZE; y++)
 			for(s32 x = 0; x < TIC_SPRITESIZE; x++)
-				if(tic_tool_peek4(&studio.tic->config.bank.sprites.data[i], TIC_SPRITESIZE*(y+1) - x-1))
+				if(tic_tool_peek4(&studio.tic->config.bank0.sprites.data[i], TIC_SPRITESIZE*(y+1) - x-1))
 					studio.tic->font.data[i*BITS_IN_BYTE+y] |= 1 << x;
 }
 
@@ -2501,7 +2501,7 @@ static void setWindowIcon()
 	for(s32 j = 0, index = 0; j < Size; j++)
 		for(s32 i = 0; i < Size; i++, index++)
 		{
-			u8 color = getSpritePixel(studio.tic->config.bank.tiles.data, i/Scale, j/Scale);
+			u8 color = getSpritePixel(studio.tic->config.bank0.tiles.data, i/Scale, j/Scale);
 			pixels[index] = color == ColorKey ? 0 : pal[color];
 		}
 
diff --git a/src/surf.c b/src/surf.c
index 83083fd..07d714e 100644
--- a/src/surf.c
+++ b/src/surf.c
@@ -202,14 +202,14 @@ static void drawTopToolbar(Surf* surf, s32 x, s32 y)
 	enum{Gap = 10, TipX = 150, SelectWidth = 54};
 
 	u8 colorkey = 0;
-	tic->api.sprite_ex(tic, &tic->config.bank.tiles, 12, TipX, y+1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+	tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 12, TipX, y+1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
 	{
 		static const char Label[] = "SELECT";
 		tic->api.text(tic, Label, TipX + Gap, y+3, tic_color_black);
 		tic->api.text(tic, Label, TipX + Gap, y+2, tic_color_white);		
 	}
 
-	tic->api.sprite_ex(tic, &tic->config.bank.tiles, 13, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+	tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 13, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
 	{
 		static const char Label[] = "BACK";
 		tic->api.text(tic, Label, TipX + Gap + SelectWidth, y +3, tic_color_black);
@@ -244,7 +244,7 @@ static void drawBottomToolbar(Surf* surf, s32 x, s32 y)
 
 		u8 colorkey = 0;
 
-		tic->api.sprite_ex(tic, &tic->config.bank.tiles, 15, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+		tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 15, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
 		{
 			static const char Label[] = "WEBSITE";
 			tic->api.text(tic, Label, TipX + Gap + SelectWidth, y +3, tic_color_black);
@@ -355,7 +355,7 @@ static void drawBG(Surf* surf)
 	for(s32 j = 0; j < Height + 1; j++)
 		for(s32 i = 0; i < Width + 1; i++)
 			if(counter++ % 2)
-				tic->api.sprite_ex(tic, &tic->config.bank.tiles, 34, i*Size - offset, j*Size - offset, 2, 2, 0, 0, 1, tic_no_flip, tic_no_rotate);
+				tic->api.sprite_ex(tic, &tic->config.bank0.tiles, 34, i*Size - offset, j*Size - offset, 2, 2, 0, 0, 1, tic_no_flip, tic_no_rotate);
 }
 
 static void replace(char* src, const char* what, const char* with)
diff --git a/src/tic.c b/src/tic.c
index 2a20b70..73f0d53 100644
--- a/src/tic.c
+++ b/src/tic.c
@@ -1327,11 +1327,11 @@ static void api_sync(tic_mem* tic, const char* section, s32 bank, bool toCart)
 {
 	static const struct {const char* name; s32 cart; s32 ram; s32 size;} Sections[] = 
 	{
-		{"tiles", 	offsetof(tic_cartridge, bank.tiles), 	offsetof(tic_ram, tiles), 			sizeof(tic_tiles)},
-		{"sprites", offsetof(tic_cartridge, bank.sprites), 	offsetof(tic_ram, sprites), 		sizeof(tic_tiles)},
-		{"map", 	offsetof(tic_cartridge, bank.map), 		offsetof(tic_ram, map), 			sizeof(tic_map)},
-		{"sfx", 	offsetof(tic_cartridge, bank.sfx), 		offsetof(tic_ram, sfx), 			sizeof(tic_sfx)},
-		{"music", 	offsetof(tic_cartridge, bank.music), 	offsetof(tic_ram, music), 			sizeof(tic_music)},
+		{"tiles", 	offsetof(tic_cartridge, bank0.tiles), 	offsetof(tic_ram, tiles), 			sizeof(tic_tiles)},
+		{"sprites", offsetof(tic_cartridge, bank0.sprites), 	offsetof(tic_ram, sprites), 		sizeof(tic_tiles)},
+		{"map", 	offsetof(tic_cartridge, bank0.map), 		offsetof(tic_ram, map), 			sizeof(tic_map)},
+		{"sfx", 	offsetof(tic_cartridge, bank0.sfx), 		offsetof(tic_ram, sfx), 			sizeof(tic_sfx)},
+		{"music", 	offsetof(tic_cartridge, bank0.music), 	offsetof(tic_ram, music), 			sizeof(tic_music)},
 	};
 
 	assert(bank >= 0 && bank < TIC_BANKS);
@@ -1438,15 +1438,15 @@ static bool isJavascript(const char* code)
 
 static tic_script_lang api_get_script(tic_mem* memory)
 {
-	if(isMoonscript(memory->cart.bank.code.data)) return tic_script_moon;
-	if(isJavascript(memory->cart.bank.code.data)) return tic_script_js;
+	if(isMoonscript(memory->cart.bank0.code.data)) return tic_script_moon;
+	if(isJavascript(memory->cart.bank0.code.data)) return tic_script_js;
 	return tic_script_lua;
 }
 
 static void updateSaveid(tic_mem* memory)
 {
 	memset(memory->saveid, 0, sizeof memory->saveid);
-	const char* saveid = readMetatag(memory->cart.bank.code.data, "saveid", TagFormatLua);
+	const char* saveid = readMetatag(memory->cart.bank0.code.data, "saveid", TagFormatLua);
 	if(saveid)
 	{
 		strcpy(memory->saveid, saveid);
@@ -1454,7 +1454,7 @@ static void updateSaveid(tic_mem* memory)
 	}
 	else
 	{
-		const char* saveid = readMetatag(memory->cart.bank.code.data, "saveid", TagFormatJS);
+		const char* saveid = readMetatag(memory->cart.bank0.code.data, "saveid", TagFormatJS);
 		if(saveid)
 		{
 			strcpy(memory->saveid, saveid);
@@ -1607,14 +1607,14 @@ static void api_load(tic_cartridge* cart, const u8* buffer, s32 size, bool palet
 
 		switch(chunk.type)
 		{
-		case CHUNK_TILES: 		LOAD_CHUNK(cart->bank.tiles); 					break;
-		case CHUNK_SPRITES: 	LOAD_CHUNK(cart->bank.sprites); 				break;
-		case CHUNK_MAP: 		LOAD_CHUNK(cart->bank.map); 					break;
-		case CHUNK_CODE: 		LOAD_CHUNK(cart->bank.code); 							break;
-		case CHUNK_SOUND: 		LOAD_CHUNK(cart->bank.sfx.data); 				break;
-		case CHUNK_WAVEFORM:	LOAD_CHUNK(cart->bank.sfx.waveform);			break;
-		case CHUNK_MUSIC:		LOAD_CHUNK(cart->bank.music.tracks.data); 		break;
-		case CHUNK_PATTERNS:	LOAD_CHUNK(cart->bank.music.patterns.data); 	break;
+		case CHUNK_TILES: 		LOAD_CHUNK(cart->bank0.tiles); 					break;
+		case CHUNK_SPRITES: 	LOAD_CHUNK(cart->bank0.sprites); 				break;
+		case CHUNK_MAP: 		LOAD_CHUNK(cart->bank0.map); 					break;
+		case CHUNK_CODE: 		LOAD_CHUNK(cart->bank0.code); 							break;
+		case CHUNK_SOUND: 		LOAD_CHUNK(cart->bank0.sfx.data); 				break;
+		case CHUNK_WAVEFORM:	LOAD_CHUNK(cart->bank0.sfx.waveform);			break;
+		case CHUNK_MUSIC:		LOAD_CHUNK(cart->bank0.music.tracks.data); 		break;
+		case CHUNK_PATTERNS:	LOAD_CHUNK(cart->bank0.music.patterns.data); 	break;
 		case CHUNK_PALETTE:		
 			if(palette)
 				LOAD_CHUNK(cart->palette); 					
@@ -1676,14 +1676,14 @@ static s32 api_save(const tic_cartridge* cart, u8* buffer)
 
 	#define SAVE_CHUNK(id, from) saveChunk(buffer, id, &from, sizeof(from))
 
-	buffer = SAVE_CHUNK(CHUNK_TILES, 	cart->bank.tiles);
-	buffer = SAVE_CHUNK(CHUNK_SPRITES, 	cart->bank.sprites);
-	buffer = SAVE_CHUNK(CHUNK_MAP, 		cart->bank.map);
-	buffer = SAVE_CHUNK(CHUNK_CODE, 	cart->bank.code);
-	buffer = SAVE_CHUNK(CHUNK_SOUND, 	cart->bank.sfx.data);
-	buffer = SAVE_CHUNK(CHUNK_WAVEFORM, cart->bank.sfx.waveform);
-	buffer = SAVE_CHUNK(CHUNK_PATTERNS, cart->bank.music.patterns.data);
-	buffer = SAVE_CHUNK(CHUNK_MUSIC, 	cart->bank.music.tracks.data);
+	buffer = SAVE_CHUNK(CHUNK_TILES, 	cart->bank0.tiles);
+	buffer = SAVE_CHUNK(CHUNK_SPRITES, 	cart->bank0.sprites);
+	buffer = SAVE_CHUNK(CHUNK_MAP, 		cart->bank0.map);
+	buffer = SAVE_CHUNK(CHUNK_CODE, 	cart->bank0.code);
+	buffer = SAVE_CHUNK(CHUNK_SOUND, 	cart->bank0.sfx.data);
+	buffer = SAVE_CHUNK(CHUNK_WAVEFORM, cart->bank0.sfx.waveform);
+	buffer = SAVE_CHUNK(CHUNK_PATTERNS, cart->bank0.music.patterns.data);
+	buffer = SAVE_CHUNK(CHUNK_MUSIC, 	cart->bank0.music.tracks.data);
 	buffer = SAVE_CHUNK(CHUNK_PALETTE, 	cart->palette);
 
 	buffer = saveFixedChunk(buffer, CHUNK_COVER, cart->cover.data, cart->cover.size);
diff --git a/src/tic.h b/src/tic.h
index e595374..4a76585 100644
--- a/src/tic.h
+++ b/src/tic.h
@@ -340,7 +340,7 @@ typedef struct
 {
 	union
 	{
-		tic_bank bank;
+		tic_bank bank0;
 		tic_bank banks[TIC_BANKS];
 	};