X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/58f7754ae52df7679f3224d7e77f6312e45ba4bb..49c326da841985a8aa48e8544173e5c045c6e0eb:/fpgaboot.asm

diff --git a/fpgaboot.asm b/fpgaboot.asm
new file mode 100644
index 0000000..a923657
--- /dev/null
+++ b/fpgaboot.asm
@@ -0,0 +1,38 @@
+	SECTION "boot", HOME[$0]
+	ld a, $AA
+	ld [$FF51], A	; Poke the LEDs
+	
+	; Write a little bit to the RAM
+	ld H, $01
+	ld L, $00
+	ld A, $00
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	
+	ld a, $55
+	ld [$FF51], A	; Poke the LEDs
+	
+	ld A, $FF
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	ld [HLI], A
+	
+	ld H, $00
+	ld L, $00
+	ld [HL], $01	; Select the GB boot rom
+	rst $00		; Boot
+	
+	SECTION "a", HOME[$100]
+	nop	; Make sure we don't overflow.
+	
\ No newline at end of file