diff --git a/BootROMs/dmg_boot.asm b/BootROMs/dmg_boot.asm index 6fb74fb5..97a12e7c 100644 --- a/BootROMs/dmg_boot.asm +++ b/BootROMs/dmg_boot.asm @@ -24,7 +24,7 @@ Start: ldh [$24], a ; Init BG palette - ld a, $fc + ld a, $54 ldh [$47], a ; Load logo from ROM. @@ -69,14 +69,36 @@ Start: jr .tilemapLoop .tilemapDone + ld a, 30 + ldh [$ff42], a + ; Turn on LCD ld a, $91 ldh [$40], a -; Wait ~0.75 seconds - ld b, 45 - call WaitBFrames - + ld d, (-119) & $FF + ld c, 15 + +.animate + call WaitFrame + ld a, d + sra a + sra a + ldh [$ff42], a + ld a, d + add c + ld d, a + ld a, c + cp 8 + jr nz, .noPaletteChange + ld a, $A8 + ldh [$47], a +.noPaletteChange + dec c + jr nz, .animate + ld a, $fc + ldh [$47], a + ; Play first sound ld a, $83 call PlaySound @@ -85,9 +107,11 @@ Start: ; Play second sound ld a, $c1 call PlaySound + -; Wait ~1.15 seconds - ld b, 70 + +; Wait ~1 second + ld b, 60 call WaitBFrames ; Set registers to match the original DMG boot