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NES - PPU Viewer - more small speed optimizations

This commit is contained in:
adelikat 2012-08-12 19:42:00 +00:00
parent e2469328ae
commit a5e369b872
1 changed files with 26 additions and 15 deletions
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41
BizHawk.MultiClient/NEStools/NESPPU.cs
View File

@ -87,20 +87,28 @@ namespace BizHawk.MultiClient
if (Global.Emulator.Frame % RefreshRate.Value == 0 || now) if (Global.Emulator.Frame % RefreshRate.Value == 0 || now)
{ {
bool Changed = false; bool Changed = false;
for (int x = 0; x < 0x2000; x++)
{
PPUBusprev[x] = PPUBus[x];
PPUBus[x] = Nes.ppu.ppubus_peek(x);
if (PPUBus[x] != PPUBusprev[x])
Changed = true;
}
for (int x = 0; x < 0x20; x++) for (int x = 0; x < 0x20; x++)
{ {
PALRAMprev[x] = PALRAM[x]; PALRAMprev[x] = PALRAM[x];
PALRAM[x] = Nes.ppu.PALRAM[x]; PALRAM[x] = Nes.ppu.PALRAM[x];
if (PALRAM[x] != PALRAMprev[x]) if (PALRAM[x] != PALRAMprev[x])
{
Changed = true; Changed = true;
}
}
if (!Changed)
{
for (int x = 0; x < 0x2000; x++)
{
PPUBusprev[x] = PPUBus[x];
PPUBus[x] = Nes.ppu.ppubus_peek(x);
if (PPUBus[x] != PPUBusprev[x])
{
Changed = true;
}
}
} }
int b0 = 0; int b0 = 0;
@ -120,9 +128,9 @@ namespace BizHawk.MultiClient
PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]); PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]);
} }
if (PaletteView.HasChanged()) if (PaletteView.HasChanged())
{
PaletteView.Refresh(); PaletteView.Refresh();
}
System.Drawing.Imaging.BitmapData bmpdata = PatternView.pattern.LockBits(new Rectangle(new Point(0, 0), PatternView.pattern.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb); System.Drawing.Imaging.BitmapData bmpdata = PatternView.pattern.LockBits(new Rectangle(new Point(0, 0), PatternView.pattern.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* framebuf = (int*)bmpdata.Scan0.ToPointer(); int* framebuf = (int*)bmpdata.Scan0.ToPointer();
@ -141,8 +149,9 @@ namespace BizHawk.MultiClient
{ {
for (int y = 0; y < 8; y++) for (int y = 0; y < 8; y++)
{ {
b0 = GetBit((z << 12) + (i << 8) + (j << 4) + y , x); int address = (z << 12) + (i << 8) + (j << 4) + y;
b1 = GetBit((z << 12) + (i << 8) + (j << 4) + y + 8, x); b0 = (byte)(((PPUBus[address] >> (7 - x)) & 1));
b1 = (byte)(((PPUBus[address + 8] >> (7 - x)) & 1));
value = (byte)(b0 + (b1 << 1)); value = (byte)(b0 + (b1 << 1));
cvalue = Nes.LookupColor(Nes.ppu.PALRAM[value + (pal << 2)]); cvalue = Nes.LookupColor(Nes.ppu.PALRAM[value + (pal << 2)]);
@ -193,8 +202,9 @@ namespace BizHawk.MultiClient
{ {
for (int y = 0; y < 8; y++) for (int y = 0; y < 8; y++)
{ {
b0 = GetBit(PatAddr + y + 0 * 8, x); int address = PatAddr + y;
b1 = GetBit(PatAddr + y + 1 * 8, x); b0 = (byte)(((PPUBus[address] >> (7 - x)) & 1));
b1 = (byte)(((PPUBus[address + 8] >> (7 - x)) & 1));
value = (byte)(b0 + (b1 << 1)); value = (byte)(b0 + (b1 << 1));
cvalue = Nes.LookupColor(Nes.ppu.PALRAM[16 + value + (Palette << 2)]); cvalue = Nes.LookupColor(Nes.ppu.PALRAM[16 + value + (Palette << 2)]);
@ -206,8 +216,9 @@ namespace BizHawk.MultiClient
PatAddr += 0x10; PatAddr += 0x10;
for (int y = 0; y < 8; y++) for (int y = 0; y < 8; y++)
{ {
b0 = GetBit(PatAddr + y, x); int address = PatAddr + y;
b1 = GetBit(PatAddr + y + 8, x); b0 = (byte)(((PPUBus[address] >> (7 - x)) & 1));
b1 = (byte)(((PPUBus[address + 8] >> (7 - x)) & 1));
value = (byte)(b0 + (b1 << 1)); value = (byte)(b0 + (b1 << 1));
cvalue = Nes.LookupColor(Nes.ppu.PALRAM[16 + value + (Palette << 2)]); cvalue = Nes.LookupColor(Nes.ppu.PALRAM[16 + value + (Palette << 2)]);