1 files changed, 57 insertions, 0 deletions
diff --git a/home/header.asm b/home/header.asm
new file mode 100644
index 00000000..047f97f4
--- /dev/null
+++ b/home/header.asm
@@ -0,0 +1,57 @@
+; rst vectors (unused)
+
+SECTION "rst0", ROM0[$0000]
+	rst $38
+
+SECTION "rst8", ROM0[$0008]
+	rst $38
+
+SECTION "rst10", ROM0[$0010]
+	rst $38
+
+SECTION "rst18", ROM0[$0018]
+	rst $38
+
+SECTION "rst20", ROM0[$0020]
+	rst $38
+
+SECTION "rst28", ROM0[$0028]
+	rst $38
+
+SECTION "rst30", ROM0[$0030]
+	rst $38
+
+SECTION "rst38", ROM0[$0038]
+	rst $38
+
+
+; Game Boy hardware interrupts
+
+SECTION "vblank", ROM0[$0040]
+	jp VBlank
+
+SECTION "lcd", ROM0[$0048]
+	rst $38
+
+SECTION "timer", ROM0[$0050]
+	jp Timer
+
+SECTION "serial", ROM0[$0058]
+	jp Serial
+
+SECTION "joypad", ROM0[$0060]
+	reti
+
+
+SECTION "Header", ROM0[$0100]
+
+Start::
+; Nintendo requires all Game Boy ROMs to begin with a nop ($00) and a jp ($C3)
+; to the starting address.
+	nop
+	jp _Start
+
+; The Game Boy cartridge header data is patched over by rgbfix.
+; This makes sure it doesn't get used for anything else.
+
+	ds $0150 - @, $00