diff --git a/dmg_boot.bin b/dmg_boot.bin
new file mode 100644
index 0000000..afa0ee4
Binary files /dev/null and b/dmg_boot.bin differ
diff --git a/mem.cpp b/mem.cpp
new file mode 100644
index 0000000..a45c48f
--- /dev/null
+++ b/mem.cpp
@@ -0,0 +1,37 @@
+#include "mem.h"
+#include <stdlib.h>
+
+namespace mem
+{
+    char *title = nullptr;
+    uint8_t *memory = nullptr;
+    uint8_t *mapper_type = nullptr;
+    uint8_t *rom_size = nullptr;
+    uint8_t *ram_size = nullptr;
+
+    void init(const uint8_t* rom, const int size)
+    {
+        if (memory) free(memory);
+        memory = (uint8_t*)malloc(size);
+        title = (char*)&memory[0x134];
+        mapper_type = &memory[0x147];
+        rom_size = &memory[0x148];
+        ram_size = &memory[0x149];
+    }
+
+    void reset()
+    {
+
+    }
+
+    uint8_t readMem(uint16_t address)
+    {
+
+    }
+
+    void writeMem(uint16_t address, uint8_t value)
+    {
+
+    }
+
+}
diff --git a/mem.h b/mem.h
index d539fdf..afc2000 100644
--- a/mem.h
+++ b/mem.h
@@ -3,7 +3,10 @@
 
 namespace mem
 {
+    #define MAPPER_NONE     0
+    
+    void init(const uint8_t* rom, const int size);
     void reset();
     uint8_t readMem(uint16_t address);
     void writeMem(uint16_t address, uint8_t value);
-}
\ No newline at end of file
+}
diff --git a/tetris.gb b/tetris.gb
new file mode 100644
index 0000000..fbcef42
Binary files /dev/null and b/tetris.gb differ