diff --git a/.gitignore b/.gitignore
index 2358e1c..d49ead5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -92,3 +92,4 @@ build/windows/tic80/Release Pro/
 build/windows/zlib/Debug Pro/
 build/windows/zlib/Release Pro/
 build/windows/example/Release Pro/
+build/windows/example/Debug Pro/
diff --git a/src/config.c b/src/config.c
index 7a6c543..9adb386 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.code.data) == LUA_OK && lua_pcall(lua, 0, LUA_MULTRET, 0) == LUA_OK)
+		if(luaL_loadstring(lua, config->tic->config.bank.code.data) == LUA_OK && lua_pcall(lua, 0, LUA_MULTRET, 0) == LUA_OK)
 		{
 			readConfigVideoLength(config, lua);
 			readConfigVideoScale(config, lua);
@@ -185,7 +185,7 @@ static void readConfig(Config* config)
 
 static void update(Config* config, const u8* buffer, size_t size)
 {
-	config->tic->api.load((tic_cartridge*)&config->tic->config, sizeof(tic_bank), buffer, size, true);
+	config->tic->api.load(&config->tic->config, buffer, size, true);
 
 	readConfig(config);
 	studioConfigChanged();
diff --git a/src/console.c b/src/console.c
index eca851e..ab8b36e 100644
--- a/src/console.c
+++ b/src/console.c
@@ -303,10 +303,10 @@ static s32 writeGifData(const tic_mem* tic, u8* dst, const u8* src, s32 width, s
 
 static void loadCart(tic_mem* tic, tic_cartridge* cart, const u8* buffer, s32 size, bool palette)
 {
-	tic->api.load(cart, sizeof(tic_cartridge), buffer, size, palette);
+	tic->api.load(cart, buffer, size, palette);
 
 	if(!palette)
-		memcpy(cart->bank.palette.data, tic->config.palette.data, sizeof(tic_palette));
+		memcpy(cart->bank.palette.data, tic->config.bank.palette.data, sizeof(tic_palette));
 }
 
 static bool loadRom(tic_mem* tic, const void* data, s32 size, bool palette)
@@ -734,7 +734,7 @@ static bool loadProject(Console* console, const char* name, const char* data, s3
 		if(cart)
 		{
 			SDL_memset(cart, 0, sizeof(tic_cartridge));
-			SDL_memcpy(&cart->bank.palette, &tic->config.palette.data, sizeof(tic_palette));
+			SDL_memcpy(&cart->bank.palette, &tic->config.bank.palette.data, sizeof(tic_palette));
 
 			const char* comment = projectComment(name);
 
@@ -2886,7 +2886,7 @@ void initConsole(Console* console, tic_mem* tic, FileSystem* fs, Config* config,
 
 	if(argc > 1)
 	{
-		memcpy(console->embed.file->bank.palette.data, tic->config.palette.data, sizeof(tic_palette));
+		memcpy(console->embed.file->bank.palette.data, tic->config.bank.palette.data, sizeof(tic_palette));
 
 		u32 argp = 1;
 
diff --git a/src/dialog.c b/src/dialog.c
index e28b224..a61c16b 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.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.bank.tiles, 2, rect.x+6, rect.y-4, 2, 2, &chromakey, 1, 1, tic_no_flip, tic_no_rotate);
 	}
 
 	{
diff --git a/src/menu.c b/src/menu.c
index 0e38308..935ce3a 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.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.bank.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.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.bank.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 a2325a7..7672eb4 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.tiles, music->tracker.patterns[index] ? On : Off, x, y, &color, 1);
+	tic->api.sprite(tic, &tic->config.bank.tiles, music->tracker.patterns[index] ? On : Off, x, y, &color, 1);
 }
 
 static void drawTracker(Music* music, s32 x, s32 y)
diff --git a/src/studio.c b/src/studio.c
index aea4907..585c597 100644
--- a/src/studio.c
+++ b/src/studio.c
@@ -342,7 +342,7 @@ tic_palette* getBankPalette()
 
 void playSystemSfx(s32 id)
 {
-	const tic_sound_effect* effect = &studio.tic->config.sfx.data[id];
+	const tic_sound_effect* effect = &studio.tic->config.bank.sfx.data[id];
 	studio.tic->api.sfx_ex(studio.tic, id, effect->note, effect->octave, -1, 0, MAX_VOLUME, 0);
 }
 
@@ -1976,7 +1976,7 @@ static void transparentBlit(u32* out, s32 pitch)
 {
 	const u8* in = studio.tic->ram.vram.screen.data;
 	const u8* end = in + sizeof(studio.tic->ram.vram.screen);
-	const u32* pal = tic_palette_blit(&studio.tic->config.palette);
+	const u32* pal = tic_palette_blit(&studio.tic->config.bank.palette);
 	const u32 Delta = (pitch/sizeof *out - TIC80_WIDTH);
 
 	s32 col = 0;
@@ -2053,7 +2053,7 @@ static void recordFrame(u32* pixels)
 
 			if(studio.video.frame % TIC_FRAMERATE < TIC_FRAMERATE / 2)
 			{
-				const u32* pal = tic_palette_blit(&studio.tic->config.palette);
+				const u32* pal = tic_palette_blit(&studio.tic->config.bank.palette);
 				drawRecordLabel(pixels, TIC80_FULLWIDTH, TIC80_WIDTH-24, 8, &pal[tic_color_red]);
 			}
 
@@ -2214,12 +2214,12 @@ static void renderCursor()
 	SDL_ShowCursor(getConfig()->theme.cursor.sprite >= 0 ? SDL_DISABLE : SDL_ENABLE);
 
 	if(getConfig()->theme.cursor.sprite >= 0)
-		blitCursor(studio.tic->config.tiles.data[getConfig()->theme.cursor.sprite].data);
+		blitCursor(studio.tic->config.bank.tiles.data[getConfig()->theme.cursor.sprite].data);
 }
 
 static void useSystemPalette()
 {
-	memcpy(studio.tic->ram.vram.palette.data, studio.tic->config.palette.data, sizeof(tic_palette));
+	memcpy(studio.tic->ram.vram.palette.data, studio.tic->config.bank.palette.data, sizeof(tic_palette));
 }
 
 static void drawPopup()
@@ -2269,8 +2269,8 @@ static void renderStudio()
 		case TIC_DIALOG_MODE:
 		case TIC_MENU_MODE:
 		case TIC_SURF_MODE:
-			sfx = &studio.tic->config.sfx;
-			music = &studio.tic->config.music;
+			sfx = &studio.tic->config.bank.sfx;
+			music = &studio.tic->config.bank.music;
 			break;
 		default:
 			sfx = getBankSfx();
@@ -2453,7 +2453,7 @@ static void initTouchGamepad()
 	if (!studio.renderer)
 		return;
 
-	studio.tic->api.map(studio.tic, &studio.tic->config.map, &studio.tic->config.tiles, 0, 0, TIC_MAP_SCREEN_WIDTH, TIC_MAP_SCREEN_HEIGHT, 0, 0, -1, 1);
+	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);
 
 	if(!studio.gamepad.texture)
 	{
@@ -2480,7 +2480,7 @@ 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.sprites.data[i], TIC_SPRITESIZE*(y+1) - x-1))
+				if(tic_tool_peek4(&studio.tic->config.bank.sprites.data[i], TIC_SPRITESIZE*(y+1) - x-1))
 					studio.tic->font.data[i*BITS_IN_BYTE+y] |= 1 << x;
 }
 
@@ -2501,12 +2501,12 @@ static void setWindowIcon()
 
 	u32* pixels = SDL_malloc(Size * Size * sizeof(u32));
 
-	const u32* pal = tic_palette_blit(&studio.tic->config.palette);
+	const u32* pal = tic_palette_blit(&studio.tic->config.bank.palette);
 
 	for(s32 j = 0, index = 0; j < Size; j++)
 		for(s32 i = 0; i < Size; i++, index++)
 		{
-			u8 color = getSpritePixel(studio.tic->config.tiles.data, i/Scale, j/Scale);
+			u8 color = getSpritePixel(studio.tic->config.bank.tiles.data, i/Scale, j/Scale);
 			pixels[index] = color == ColorKey ? 0 : pal[color];
 		}
 
diff --git a/src/surf.c b/src/surf.c
index 1320ea5..e89c72b 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.tiles, 12, TipX, y+1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+	tic->api.sprite_ex(tic, &tic->config.bank.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.tiles, 13, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+	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);
 	{
 		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.tiles, 15, TipX + SelectWidth, y + 1, 1, 1, &colorkey, 1, 1, tic_no_flip, tic_no_rotate);
+		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);
 		{
 			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.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.bank.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)
@@ -508,7 +508,7 @@ static void updateMenuItemCover(Surf* surf, const u8* cover, s32 size)
 			{
 				const gif_color* c = &image->palette[image->buffer[i]];
 				tic_rgb rgb = { c->r, c->g, c->b };
-				u8 color = tic_tool_find_closest_color(tic->config.palette.colors, &rgb);
+				u8 color = tic_tool_find_closest_color(tic->config.bank.palette.colors, &rgb);
 				tic_tool_poke4(item->cover->data, i, color);
 			}
 		}
@@ -538,7 +538,7 @@ static void loadCover(Surf* surf)
 				if(hasExt(item->name, PROJECT_LUA_EXT))
 					surf->console->loadProject(surf->console, item->name, data, size, cart);
 				else
-					tic->api.load(cart, sizeof(tic_cartridge), data, size, true);
+					tic->api.load(cart, data, size, true);
 
 				if(cart->cover.size)
 					updateMenuItemCover(surf, cart->cover.data, cart->cover.size);
diff --git a/src/tic.c b/src/tic.c
index c4369e2..b2f3de9 100644
--- a/src/tic.c
+++ b/src/tic.c
@@ -1472,12 +1472,20 @@ static void api_tick(tic_mem* memory, tic_tick_data* data)
 	
 	if(!machine->state.initialized)
 	{
-
-		char* code = malloc(sizeof(tic_code));
+		enum{CodeSize = sizeof(tic_code) * TIC_BANKS};
+		char* code = malloc(CodeSize);
 
 		if(code)
 		{
-			memcpy(code, machine->memory.cart.bank.code.data, sizeof(tic_code));
+			memset(code, 0, CodeSize);
+
+			for(s32 i = TIC_BANKS - 1; i >= 0; i--)
+			{
+				const char* bankCode = memory->cart.banks[i].code.data;
+
+				if(strlen(bankCode))
+					strcat(code, bankCode);
+			}
 
 			if(data->preprocessor)
 				data->preprocessor(data->data, code);
@@ -1579,10 +1587,10 @@ static u32 api_btnp(tic_mem* tic, s32 index, s32 hold, s32 period)
 	return ((~previous.data) & machine->memory.ram.vram.input.gamepad.data) & (1 << index);
 }
 
-static void api_load(tic_cartridge* cart, s32 cartSize, const u8* buffer, s32 size, bool palette)
+static void api_load(tic_cartridge* cart, const u8* buffer, s32 size, bool palette)
 {
 	const u8* end = buffer + size;
-	memset(cart, 0, cartSize);
+	memset(cart, 0, sizeof(tic_cartridge));
 
 	if(palette)
 	{
diff --git a/src/tic80.c b/src/tic80.c
index 7812a5a..8b1e7df 100644
--- a/src/tic80.c
+++ b/src/tic80.c
@@ -108,7 +108,7 @@ TIC80_API void tic80_load(tic80* tic, void* cart, s32 size)
 	}
 
 	{
-		tic80->memory->api.load(&tic80->memory->cart, sizeof(tic_cartridge), cart, size, true);
+		tic80->memory->api.load(&tic80->memory->cart, cart, size, true);
 		tic80->memory->api.reset(tic80->memory);
 	}
 }
diff --git a/src/ticapi.h b/src/ticapi.h
index cc08966..53188c9 100644
--- a/src/ticapi.h
+++ b/src/ticapi.h
@@ -106,7 +106,7 @@ typedef struct
 	void (*sync)				(tic_mem* memory, const char* section, s32 bank, bool toCart);
 	u32 (*btnp)					(tic_mem* memory, s32 id, s32 hold, s32 period);
 
-	void (*load)				(tic_cartridge* rom, s32 cartSize, const u8* buffer, s32 size, bool palette);
+	void (*load)				(tic_cartridge* rom, const u8* buffer, s32 size, bool palette);
 	s32  (*save)				(const tic_cartridge* rom, u8* buffer);
 
 	void (*tick_start)			(tic_mem* memory, const tic_sfx* sfx, const tic_music* music);
@@ -120,7 +120,7 @@ struct tic_mem
 {
 	tic_ram 			ram;
 	tic_cartridge 		cart;
-	tic_bank 			config;
+	tic_cartridge		config;
 	tic_input_method 	input;
 	tic_script_lang 	script;
 	tic_font 			font;