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Merge pull request #31 from mmxbass/ShopkeeperGfxFix

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Stopped some GFX from reloading when moving from Paradox Cave 1F to B1
This commit is contained in:
Karkat
2018-03-11 22:19:45 -04:00
committed by GitHub
parent df99b4bda8 faa9841835
commit 7368dcc5a6
2 changed files with 34 additions and 0 deletions
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7
hooks.asm
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@@ -2135,3 +2135,10 @@ org $1BBD55 ; <- DBD55 - Bank1B.asm: 290 (CPX.w #$0076 : BCC BRANCH_LAMBDA)
JML.l SmithDoorCheck : NOP
Overworld_Entrance_BRANCH_RHO: ; branch here to continue into door
;================================================================================
;================================================================================
; Paradox Cave Shopkeeper Fixes
;--------------------------------------------------------------------------------
org $008C1B ; Bank00.asm@1633 (LDA.b #$01 : STA $420B)
JSL ParadoxCaveGfxFix
NOP

27
shopkeeper.asm
View File

@@ -818,3 +818,30 @@ RTS
;dw 64, 56 : db $30, $02, $00, $00
;dw 72, 56 : db $31, $02, $00, $00
;--------------------------------------------------------------------------------
ParadoxCaveGfxFix:
; Always upload line unless you're moving into paradox cave (0x0FF) from above (0x0EF)
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 .skipLine
; Line 4
CPX #$1E00 : BEQ .skipLine
.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