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newppu: fix mappers that used PPU_hook, a truly haphazard system. I am calling PPU_hook far more often than the old ppu for these games, but i would expect the PPU_hook handlers to be resilient against that.

This commit is contained in:
zeromus 2009-08-11 06:15:06 +00:00
parent 6411ba535a
commit 72eab717f5
2 changed files with 6 additions and 0 deletions
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4
src/ppu.cpp
View File

@ -401,6 +401,8 @@ int FCEUPPU_GetAttr(int ntnum, int xt, int yt) {
inline void FFCEUX_PPUWrite_Default(uint32 A, uint8 V) {
uint32 tmp = A;
if(PPU_hook) PPU_hook(A);
if(tmp<0x2000)
{
if(PPUCHRRAM&(1<<(tmp>>10)))
@ -429,6 +431,8 @@ inline void FFCEUX_PPUWrite_Default(uint32 A, uint8 V) {
uint8 FASTCALL FFCEUX_PPURead_Default(uint32 A) {
uint32 tmp = A;
if(PPU_hook) PPU_hook(A);
if(tmp<0x2000)
{
return VPage[tmp>>10][tmp];

2
src/ppu.h
View File

@ -27,6 +27,8 @@ uint8* FCEUPPU_GetCHR(uint32 vadr, uint32 refreshaddr);
void PPU_ResetHooks();
extern uint8 (FASTCALL *FFCEUX_PPURead)(uint32 A);
extern void (*FFCEUX_PPUWrite)(uint32 A, uint8 V);
extern uint8 FASTCALL FFCEUX_PPURead_Default(uint32 A);
void FFCEUX_PPUWrite_Default(uint32 A, uint8 V);
extern int scanline;
extern uint8 PPU[4];