Made STOP clear the IRQ flag when it's set, this fixes Star Fox 2

2006-02-19 10:22:27 +00:00
parent 8ae1e80cce
commit 21053fe9a2
1 changed files with 3 additions and 1 deletions
--- a/zsnes/src/chips/fxemu2c.asm
+++ b/zsnes/src/chips/fxemu2c.asm
@@ -48,9 +48,11 @@ NEWSYM FxOpd00      ; STOP   stop GSU execution (and maybe generate an IRQ)
   and dword[SfxSFR],0FFFFh-32     ; Clear Go flag (set to 1 when the GSU is running)
   test dword[SfxCFGR],080h        ; Check if the interrupt generation is on
   jnz .NoIRQ
-   or dword[SfxSFR],08000h         ; Set IRQ Flag
+         ; Set IRQ Flag
 .NoIRQ
   CLRFLAGS
+    and byte[SfxSFR+1],07fh
+
   inc ebp
   mov eax,[NumberOfOpcodes]
   add eax,0F0000000h