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Compatibility update to PPU, passes one more electronics test (Thanks MKendora!)

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pagefault
2003-10-31 00:26:08 +00:00
parent 99ce12478c
commit a91cae5156
2 changed files with 5 additions and 2 deletions
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3
zsnes/src/cpu/execute.asm
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@@ -104,7 +104,7 @@ EXTSYM JoyRead,ChatType2,chatstrR2,chatstrR3,chatstrR4,chatstrR5
EXTSYM chatRTL2,chatRTL3,chatRTL4,chatRTL5 EXTSYM chatRTL2,chatRTL3,chatRTL4,chatRTL5
EXTSYM NetLoadState EXTSYM NetLoadState
EXTSYM ProcessMovies EXTSYM ProcessMovies
EXTSYM ioportval EXTSYM ioportval,ppustatus
EXTSYM C4VBlank EXTSYM C4VBlank
EXTSYM dsp1teststuff EXTSYM dsp1teststuff
EXTSYM ReturnFromSPCStall,SPCStallSetting,cycpb268,cycpb358,HIRQSkip,scanlines EXTSYM ReturnFromSPCStall,SPCStallSetting,cycpb268,cycpb358,HIRQSkip,scanlines
@@ -4563,6 +4563,7 @@ NEWSYM execsingle
.overy .overy
shr dh,1 shr dh,1
mov word[curypos],0 mov word[curypos],0
xor byte[ppustatus],80h
mov byte[NMIEnab],01h mov byte[NMIEnab],01h
add dword[opcd],170*262 add dword[opcd],170*262
call cachevideo call cachevideo

4
zsnes/src/cpu/regs.inc
View File

@@ -409,6 +409,7 @@ NEWSYM nosprincr, db 0
NEWSYM poamaddrs, dw 0 NEWSYM poamaddrs, dw 0
NEWSYM ioportval, db 255 NEWSYM ioportval, db 255
NEWSYM iohvlatch, db 0 NEWSYM iohvlatch, db 0
NEWSYM ppustatus, db 0
NEWSYM tempdat, times 478 db 0 ; expandable area NEWSYM tempdat, times 478 db 0 ; expandable area
@@ -734,7 +735,8 @@ reg213Er:
; PPU Status Flag & Version number (NTSC/PAL/EXTRN Latch flag) ; PPU Status Flag & Version number (NTSC/PAL/EXTRN Latch flag)
reg213Fr: reg213Fr:
; mov byte[debstop3],1 ; mov byte[debstop3],1
mov al,[romispal] mov al,[ppustatus]
or al,[romispal]
shl al,4 shl al,4
or al,[cfield] or al,[cfield]
mov byte[latchxr],0 mov byte[latchxr],0