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Diffstat (limited to 'engine/gfx/screen_effects.asm')
| -rw-r--r-- | engine/gfx/screen_effects.asm | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/engine/gfx/screen_effects.asm b/engine/gfx/screen_effects.asm index c7a68734..973a951a 100644 --- a/engine/gfx/screen_effects.asm +++ b/engine/gfx/screen_effects.asm @@ -1,14 +1,16 @@ -; b = new color for BG color 0 (usually white) for 4 frames +; inverts the BGP for 4 (6 on CGB due to lag) frames ChangeBGPalColor0_4Frames: - call GetPredefRegisters + call GetPredefRegisters ; leftover of red/blue, has no use here ldh a, [rBGP] - or b + xor $ff ldh [rBGP], a + call UpdateGBCPal_BGP ld c, 4 call DelayFrames ldh a, [rBGP] - and %11111100 + xor $ff ldh [rBGP], a + call UpdateGBCPal_BGP ret PredefShakeScreenVertically: |