More sound haqery

[fpgaboy.git] / bootrom.asm

diff --git a/bootrom.asm b/bootrom.asm
index 3cdf0e9a0a7ea8d2c1adfc74af837b620bdc9caf..4e780bf2918e045112731d9484c9c8afe172b3a7 100644 (file)
--- a/bootrom.asm
+++ b/bootrom.asm
@@ -185,4 +185,12 @@ boot:      jr .running     ; $0100
 .running:
        ld a, $FF
        ld [$FF51], A
-.diq:  jr .diq
+       ld a, $00
+       ld [$FF25], a
+.diq:  ld A, [$FF51]
+       cp 0
+       jr z, .diq
+       ld a, 0
+       LD [$FF40],A
+       jp $0000
+