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fceux
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This commit is contained in:
zeromus 2008-08-18 06:35:50 +00:00
parent 37b36dc8c0
commit 2930675eac
1 changed files with 6 additions and 6 deletions
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12
src/ppu.cpp
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@ -1761,7 +1761,7 @@ struct BGData {
struct Record { struct Record {
uint8 nt, at, pt[2]; uint8 nt, at, pt[2];
void Read(bool incr) { void Read() {
RefreshAddr = ppur.get_ntread(); RefreshAddr = ppur.get_ntread();
nt = FFCEUX_PPURead(RefreshAddr); nt = FFCEUX_PPURead(RefreshAddr);
runppu(kFetchTime); runppu(kFetchTime);
@ -1784,7 +1784,7 @@ struct BGData {
pt[1] = FFCEUX_PPURead(RefreshAddr); pt[1] = FFCEUX_PPURead(RefreshAddr);
runppu(kFetchTime); runppu(kFetchTime);
if(PPUON && incr) if(PPUON)
ppur.increment_hsc(); ppur.increment_hsc();
} }
}; };
@ -1851,8 +1851,8 @@ int FCEUX_PPU_Loop(int skip) {
int yp = sl-1; int yp = sl-1;
if(sl != 0) { if(sl != 0) {
FCEUD_UpdatePPUView(scanline=yp,1); DEBUG(FCEUD_UpdatePPUView(scanline=yp,1));
FCEUD_UpdateNTView(scanline=yp,1); DEBUG(FCEUD_UpdateNTView(scanline=yp,1));
} }
//twiddle the oam buffers //twiddle the oam buffers
@ -1866,7 +1866,7 @@ int FCEUX_PPU_Loop(int skip) {
//32 times, we will fetch a tile and then render 8 pixels. //32 times, we will fetch a tile and then render 8 pixels.
//two of those tiles were read in the last scanline. //two of those tiles were read in the last scanline.
for(int xt=0;xt<32;xt++) { for(int xt=0;xt<32;xt++) {
bgdata.main[xt+2].Read(true); bgdata.main[xt+2].Read();
//ok, we're also going to draw here. //ok, we're also going to draw here.
//unless we're on the first dummy scanline //unless we're on the first dummy scanline
@ -2052,7 +2052,7 @@ int FCEUX_PPU_Loop(int skip) {
//fetch BG: two tiles for next line //fetch BG: two tiles for next line
for(int xt=0;xt<2;xt++) for(int xt=0;xt<2;xt++)
bgdata.main[xt].Read(true); bgdata.main[xt].Read();
//I'm unclear of the reason why this particular access to memory is made. //I'm unclear of the reason why this particular access to memory is made.
//The nametable address that is accessed 2 times in a row here, is also the //The nametable address that is accessed 2 times in a row here, is also the