alttpr-gwaa-kiwi/alttpr-baserom
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Fix Graphical Corruption.

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Also fix possible latent bug from lack of indoors checking.
This commit is contained in:
Kevin Cathcart
2018-03-13 02:47:22 -04:00
parent eac1f8d624
commit cb0d0cd4d0
4 changed files with 31 additions and 28 deletions
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29
compression.asm Normal file
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@@ -0,0 +1,29 @@
;--------------------------------------------------------------------------------
ParadoxCaveGfxFix:
; Always upload line unless you're moving into paradox cave (0x0FF) from above (0x0EF)
LDA $1B : BEQ .uploadLine
LDX $A0 : CPX #$00FF : BNE .uploadLine
LDX $A2 : CPX #$00EF : BNE .uploadLine
;Ignore uploading four specific lines of tiles to VRAM
LDX $0118
; Line 1
CPX #$1800 : BEQ .skipMostOfLine
; Line 2
CPX #$1A00 : BEQ .skipMostOfLine
; Line 3
CPX #$1C00 : BEQ .uploadLine
; Line 4
CPX #$1E00 : BEQ .uploadLine
.uploadLine
LDA.b #$01 : STA $420B
.skipLine
RTL
.skipMostOfLine
; Set line length to 192 bytes (the first 6 8x8 tiles in the line)
LDX.w #$00C0 : STX $4305
BRA .uploadLine
;--------------------------------------------------------------------------------