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

2003-10-31 00:26:08 +00:00
parent 99ce12478c
commit a91cae5156
2 changed files with 5 additions and 2 deletions
--- a/zsnes/src/cpu/regs.inc
+++ b/zsnes/src/cpu/regs.inc
@@ -409,6 +409,7 @@ NEWSYM nosprincr, db 0
 NEWSYM poamaddrs, dw 0
 NEWSYM ioportval, db 255
 NEWSYM iohvlatch, db 0
+NEWSYM ppustatus, db 0


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