a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Spin Dizzy Worlds (J) working (Never read from 213F to reset the read order of registers 213C/213D)

Browse Source
This commit is contained in:
zsknight
2001-06-26 19:30:02 +00:00
parent a962e8604e
commit 3c953aa218
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
zsnes/src/cpu/regs.inc
View File

@@ -316,8 +316,8 @@ NEWSYM divres, dw 0 ; quotent of divc/divb
NEWSYM multres, dw 0 ; result of multa * multb/remainder of divc/divb NEWSYM multres, dw 0 ; result of multa * multb/remainder of divc/divb
NEWSYM latchx, dw 0 ; latched x value NEWSYM latchx, dw 0 ; latched x value
NEWSYM latchy, dw 0 ; latched y value NEWSYM latchy, dw 0 ; latched y value
NEWSYM latchxr, db 0 ; low or high byte read for x value NEWSYM latchxr, db 1 ; low or high byte read for x value
NEWSYM latchyr, db 0 ; low or high byte read for y value NEWSYM latchyr, db 1 ; low or high byte read for y value
NEWSYM frskipper, db 0 ; used to control frame skipping NEWSYM frskipper, db 0 ; used to control frame skipping
NEWSYM winl1, db 0 ; window 1 left position NEWSYM winl1, db 0 ; window 1 left position
NEWSYM winr1, db 0 ; window 1 right position NEWSYM winr1, db 0 ; window 1 right position
@@ -492,6 +492,7 @@ reg2136r:
; Software latch for horizontal/vertical counter ; Software latch for horizontal/vertical counter
reg2137r: reg2137r:
; mov byte[debstop3],1
cmp byte[debuggeron],1 cmp byte[debuggeron],1
je .debugger je .debugger
xor ebx,ebx xor ebx,ebx
@@ -693,6 +694,7 @@ 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 al,[romispal] mov al,[romispal]
shl al,4 shl al,4
or al,[cfield] or al,[cfield]
@@ -1114,6 +1116,7 @@ regINVALID: ; Invalid Register
.cleared .cleared
xor al,al xor al,al
.nospc7110 .nospc7110
; mov byte[debstop3],1
ret ret
mov al,[previdmode] mov al,[previdmode]