diff --git a/.gitignore b/.gitignore
index 6ac34cc..6a0de0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 *.lx2
 *.o
 *.swp
+cpu/boot_code.bin
+cpu/boot_code.txt
diff --git a/cpu/boot_code.asm b/cpu/boot_code.asm
new file mode 100644
index 0000000..714cca9
--- /dev/null
+++ b/cpu/boot_code.asm
@@ -0,0 +1,4 @@
+ADD AX,#0x55AA
+ADD CX,#0xEFBE
+ADD CX,#0x1141
+ADD AX,#0x1111