diff --git a/.gitignore b/.gitignore
index c6127b3..59515ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+.DS_Store
+**/obj
+**/gbdk
+
 # Prerequisites
 *.d
 
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..b1f27e8
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,16 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ]
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..7feb1e3
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,19 @@
+{
+  "files.associations": {
+    "*.md": "markdown",
+    "stdio.h": "c",
+    "gb.h": "c",
+    "font.h": "c",
+    "smiley.h": "c",
+    "character.h": "c",
+    "metasprites.h": "c",
+    "blankscreen.h": "c",
+    "underwater_map.h": "c",
+    "collision.h": "c",
+    "common.h": "c",
+    "actor.h": "c",
+    "stdlib.h": "c",
+    "string.h": "c",
+    "gfxdefines.h": "c"
+  }
+}
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..650ac70
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,32 @@
+GBDK_HOME = gbdk
+
+CC	= $(GBDK_HOME)/bin/lcc -mz80:sms -Wm-yoA -Wl-j
+
+BINS	= BiffBolton.sms
+
+all:	$(BINS)
+
+ASRC = $(wildcard *.s)
+CSRC = $(wildcard *.c) 
+
+OBJS = $(CSRC:%.c=%.o) $(ASRC:%.s=%.o)
+
+compile.bat: Makefile
+	@echo "REM Automatically generated from Makefile" > compile.bat
+	@make -sn | sed y/\\//\\\\/ | sed s/mkdir\ -p\/mkdir\/ | grep -v make >> compile.bat
+
+# Compile and link single file in one pass
+
+%.o:	%.c
+	$(CC) -c -o $@ $<
+
+%.o:	%.s
+	$(CC) -c -o $@ $<
+
+$(BINS):	$(OBJS)
+	$(CC) -Wm-yS -o $@ $^
+	rm -f *.map *.noi *.ihx *.lst
+
+clean:
+	rm -f *.o *.lst *.map *.sms *~ *.rel *.cdb *.ihx *.lnk *.sym *.asm *.noi
+
diff --git a/compile.bat b/compile.bat
new file mode 100644
index 0000000..eb096ff
--- /dev/null
+++ b/compile.bat
@@ -0,0 +1,6 @@
+REM Automatically generated from Makefile
+gbdk\bin\lcc -mz80:sms -Wm-yoA -Wl-j -c -o obj\main.o src\main.c
+gbdk\bin\lcc -mz80:sms -Wm-yoA -Wl-j -c -o obj\Utils.o src\Utils.c
+gbdk\bin\lcc -mz80:sms -Wm-yoA -Wl-j -c -o obj\gfxTiles.o res\gfxTiles.c
+gbdk\bin\lcc -mz80:sms -Wm-yoA -Wl-j -Wm-yS -o obj\BiffBolton.sms obj\main.o obj\Utils.o obj\gfxTiles.o
+rm -f *.map *.noi *.ihx *.lst
diff --git a/res/gfxDefines.h b/res/gfxDefines.h
new file mode 100644
index 0000000..7f7803e
--- /dev/null
+++ b/res/gfxDefines.h
@@ -0,0 +1,16 @@
+#ifndef GFXDEFINES_H_INCLUDED
+#define GFXDEFINES_H_INCLUDED
+
+#include "../src/Utils.h"
+
+#define GFX_TS_TILES 0
+#define GFX_TC_TILES 112
+
+#define UDG_FISH_F1 2
+#define UDG_FISH_F2 UDG_FISH_F1 + 4
+#define UDG_SUE_F1 96
+
+extern const u8 const myTiles[];
+extern const u8 const myTilePalette[];
+
+#endif // GFXDEFINES_H_INCLUDED
diff --git a/res/gfxTiles.c b/res/gfxTiles.c
new file mode 100644
index 0000000..a9e132b
--- /dev/null
+++ b/res/gfxTiles.c
@@ -0,0 +1,123 @@
+#include "gfxDefines.h"
+
+const u8 const myTilePalette[]=
+{
+0x34,0x00,0x3F,0x01,0x02,0x03,0x0B,0x0F,
+0x2A,0x2B,0x06,0x15,0x19,0x04,0x3D,0x20
+};
+
+const u8 const myTiles[]=
+{
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x88,0x88,0x66,0x11,0x88,0x88,0x66,0x11,0xEE,0xEE,0x00,0x11,0x00,0x00,0x00,0xFF,0x44,0x44,0x33,0x88,0x44,0x44,0x33,0x88,0x77,0x77,0x00,0x88,0x00,0x00,0x00,0xFF,
+0x00,0x6C,0x00,0x00,0x28,0xD6,0x00,0x00,0x29,0xD6,0x00,0x00,0x28,0xD7,0x01,0x01,0x00,0xFF,0x01,0x01,0x00,0x7F,0x13,0x13,0x70,0x0F,0x0F,0x0F,0xF8,0x07,0x07,0x77,
+0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x00,0x98,0x00,0x70,0x00,0x6C,0x80,0x98,0x80,0x14,0xE0,0xE8,0xE0,0x0C,0xF0,0xF0,0xF0,0x0B,0xF0,0xF0,0xF0,0x05,0x80,0xFA,0x80,
+0xFC,0x03,0x03,0x7B,0xFE,0x01,0x01,0x4D,0x7F,0x00,0x00,0x3E,0x3E,0x00,0x01,0x1D,0x1C,0x00,0x03,0x03,0x0C,0x00,0x03,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x77,0x00,0x8A,0x70,0xC5,0x00,0x3A,0xC8,0x07,0x00,0xF8,0xF8,0x04,0x00,0xF8,0xF8,0x08,0x00,0xF0,0xF0,0x1C,0x00,0xE0,0xE8,0xF8,0x00,0x00,0x10,0x10,0x00,0x00,0x00,
+0x00,0x04,0x68,0x68,0x00,0x02,0xFC,0xFC,0x01,0x00,0xFE,0xFE,0x28,0xD7,0x01,0x01,0x28,0xD7,0x01,0x01,0x00,0x7F,0x13,0x13,0x70,0x0F,0x0F,0x0F,0xF8,0x07,0x07,0x77,
+0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x00,0x98,0x00,0x70,0x00,0x6C,0x80,0x98,0x80,0x14,0xE0,0xE8,0xE0,0x0C,0x90,0xF0,0x90,0x68,0x00,0x90,0x60,0x67,0x08,0x98,0x68,
+0xB4,0x7B,0x03,0x03,0xFE,0x79,0x01,0x05,0x7F,0x3C,0x00,0x02,0x56,0x38,0x01,0x05,0x3C,0x00,0x03,0x1B,0x18,0x00,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x47,0x1A,0xB8,0x58,0x05,0x00,0xFA,0xF8,0x07,0x02,0xF8,0xF8,0x07,0x00,0xF8,0xF8,0x08,0x00,0xF0,0xF0,0x1C,0x00,0xE0,0xE8,0xF8,0x00,0x00,0x10,0x10,0x00,0x00,0x00,
+0x04,0x00,0x00,0x00,0x0A,0x04,0x00,0x04,0x09,0x06,0x04,0x02,0x04,0x03,0x00,0x03,0x08,0x07,0x00,0x05,0x2A,0x05,0x00,0x00,0x7A,0x25,0x20,0x20,0x7D,0x3A,0x38,0x3B,
+0x20,0x00,0x00,0x00,0x50,0x20,0x00,0x20,0x90,0x60,0x20,0x40,0x20,0xC0,0x00,0xC0,0x10,0xE0,0x00,0xA0,0x54,0xA0,0x00,0x00,0x5E,0xA4,0x04,0x04,0xBE,0x5C,0x1C,0xDC,
+0x7D,0x3A,0x38,0x38,0xFE,0x7D,0x7C,0x7D,0xFD,0x72,0x70,0x72,0xF2,0x50,0x50,0x50,0xD0,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0xBF,0x5D,0x1C,0x1D,0x7F,0xBE,0x3E,0xBE,0xBF,0x4E,0x0E,0x4E,0x4F,0x0A,0x0A,0x0A,0x0B,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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+0xFC,0x00,0x00,0xF0,0xF8,0x80,0x00,0x60,0xCC,0x00,0x30,0x00,0x1E,0x08,0xE0,0x04,0x0E,0x00,0xF0,0x04,0xFE,0x00,0x00,0x00,0xC8,0x00,0x00,0x30,0x78,0x00,0x00,0x00,
+0x07,0x07,0x00,0x40,0x08,0x0D,0x00,0x67,0x00,0x0B,0x00,0x3F,0x00,0x1B,0x00,0x1F,0x7F,0x7F,0x1F,0x00,0x7F,0x7F,0x00,0x00,0x7A,0x55,0x00,0x28,0x7B,0x44,0x00,0x39,
+0xE0,0xE0,0x00,0x02,0x10,0xB0,0x00,0xE6,0x00,0xD0,0x00,0xFC,0x00,0xD8,0x00,0xF8,0xFE,0xFE,0xF8,0x00,0xFE,0xFE,0x00,0x00,0x5E,0xAA,0x00,0x14,0xDE,0x22,0x00,0x9C,
+0x3F,0x00,0x00,0x0F,0x1F,0x01,0x00,0x06,0x33,0x00,0x0C,0x00,0x78,0x10,0x07,0x20,0x70,0x00,0x0F,0x20,0x7F,0x00,0x00,0x00,0x13,0x00,0x00,0x0C,0x1E,0x00,0x00,0x00,
+0xFC,0x00,0x00,0xF0,0xFC,0x00,0x00,0xE0,0xDE,0x00,0x20,0x0C,0x16,0x08,0xE0,0x0C,0x1C,0x00,0xE0,0x00,0xF0,0x00,0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
diff --git a/src/Utils.c b/src/Utils.c
new file mode 100644
index 0000000..1efa958
--- /dev/null
+++ b/src/Utils.c
@@ -0,0 +1,61 @@
+#include "Utils.h"
+
+u8 IN_JoyNow,IN_JoyOld;
+
+void ClrScreen(void)
+{
+  fill_bkg_rect(0,0,32,24,0);
+}
+
+void SetTileData(u8 tileStartID,u8 tilecount,const u8* const pData)
+{
+  set_bkg_4bpp_data(tileStartID,tilecount,pData);
+}
+
+void SetTilePalette(u8 palStartID,u8 colourCount,const u8* const pPalette)
+{
+  u8 n=0;
+	palStartID &=3;
+	for(n=0;n<colourCount;++n)
+	{
+		set_palette_entry(palStartID,n,pPalette[n]);
+	}
+}
+
+void TilePut(u8 tx,u8 ty,u8 TileID)
+{
+  set_attributed_tile_xy(tx,ty,TileID);
+}
+
+void TilePut2X2(u8 tx,u8 ty,u8 TileStartID)
+{
+  set_attributed_tile_xy(tx,ty,TileStartID);
+  ++TileStartID;
+  set_attributed_tile_xy(tx+1,ty,TileStartID);
+  ++TileStartID;
+  ++ty;
+  set_attributed_tile_xy(tx,ty,TileStartID);
+  ++TileStartID;
+  set_attributed_tile_xy(tx+1,ty,TileStartID);
+}
+
+bool IsBitSet(u8 var,u8 bit)
+{
+	return ((var & bit)==bit);
+}
+
+void IN_Update()
+{
+  IN_JoyOld=IN_JoyNow;
+	IN_JoyNow=joypad();
+}
+
+bool IN_IsKeyDown(u8 keyID)
+{
+  if(IsBitSet(IN_JoyNow,keyID))
+  {
+    return true;
+  }
+
+	return false;
+}
diff --git a/src/Utils.h b/src/Utils.h
new file mode 100644
index 0000000..a322cf9
--- /dev/null
+++ b/src/Utils.h
@@ -0,0 +1,22 @@
+#ifndef UTILS_H_INCLUDED
+#define UTILS_H_INCLUDED
+
+#include <sms/sms.h>
+#include <stdbool.h>
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+
+extern u8 IN_JoyNow,IN_JoyOld;
+
+extern void ClrScreen(void);
+extern void SetTileData(u8 tileStartID,u8 tilecount,const u8* const pData);
+extern void SetTilePalette(u8 palStartID,u8 colourCount,const u8* const pPalette);
+extern void TilePut(u8 tx,u8 ty,u8 TileID);
+extern void TilePut2X2(u8 tx,u8 ty,u8 TileStartID);
+
+extern bool IsBitSet(u8 var,u8 bit);
+extern void IN_Update();
+extern bool IN_IsKeyDown(u8 keyID);
+
+#endif // UTILS_H_INCLUDED
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..6edd585
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,82 @@
+#include <sms/sms.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "Utils.h"
+#include "../res/gfxDefines.h"
+
+#define UPDATE_DELAY 10u
+
+void init(void)
+{
+}
+
+void main(void)
+{
+
+    init();
+
+    u8 x, y, t;
+    u8 delay = UPDATE_DELAY;
+    SetTilePalette(0, 16, myTilePalette);
+    SetTileData(GFX_TS_TILES, GFX_TC_TILES, myTiles);
+
+    ClrScreen();
+
+    DISPLAY_ON;
+    SHOW_BKG;
+
+    TilePut(0, 0, 1);
+    TilePut2X2(5, 5, UDG_FISH_F1);
+
+    TilePut2X2(7, 7, UDG_FISH_F2);
+    x = 10;
+    y = 0;
+    t = UDG_SUE_F1;
+
+    // Main loop
+    while (1)
+    {
+
+        IN_Update();
+        TilePut2X2(x, y, t);
+        if (delay > 0)
+        {
+            --delay;
+        }
+        else
+        {
+            if (IN_IsKeyDown(J_RIGHT))
+            {
+                ++x;
+                if (x > 31)
+                    x = 0;
+            }
+            else if (IN_IsKeyDown(J_LEFT))
+            {
+                --x;
+                if (x > 32)
+                    x = 31;
+            }
+
+            if (IN_IsKeyDown(J_DOWN))
+            {
+                ++y;
+                if (y > 22)
+                    y = 0;
+            }
+            else if (IN_IsKeyDown(J_UP))
+            {
+                --y;
+                if (y > 22)
+                    y = 22;
+            }
+
+            delay = UPDATE_DELAY;
+        }
+
+        vsync();
+    }
+}
\ No newline at end of file