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NES PPU Viewer - read ppu values once at the beginning of Generate() into an array and use that for all the drawing. About a 4-5fps speed up

This commit is contained in:
andres.delikat 2011-09-04 16:13:44 +00:00
parent 233afd6ab0
commit 2e1f064424
1 changed files with 17 additions and 14 deletions
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31
BizHawk.MultiClient/NEStools/NESPPU.cs
View File

@ -26,6 +26,8 @@ namespace BizHawk.MultiClient
int defaultHeight;
NES Nes;
byte[] PPUBus = new byte[0x2000];
NES.PPU.DebugCallback Callback = new NES.PPU.DebugCallback();
public NESPPU()
@ -60,7 +62,7 @@ namespace BizHawk.MultiClient
private byte GetBit(int address, int bit)
{
byte value = Nes.ppu.ppubus_peek(address);
byte value = PPUBus[address];
return (byte)(((value >> (7 - bit)) & 1));
}
@ -68,21 +70,22 @@ namespace BizHawk.MultiClient
{
if (!this.IsHandleCreated || this.IsDisposed) return;
//Pattern Viewer
for (int x = 0; x < 16; x++)
{
PaletteView.bgPalettesPrev[x].Value = PaletteView.bgPalettes[x].Value;
PaletteView.spritePalettesPrev[x].Value = PaletteView.spritePalettes[x].Value;
PaletteView.bgPalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.bgPalettes[x].Address]);
PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]);
}
if (PaletteView.HasChanged())
PaletteView.Refresh();
if (Global.Emulator.Frame % RefreshRate.Value == 0)
{
for (int x = 0; x < 0x2000; x++)
PPUBus[x] = Nes.ppu.ppubus_peek(x);
//Palette Viewer
for (int x = 0; x < 16; x++)
{
PaletteView.bgPalettesPrev[x].Value = PaletteView.bgPalettes[x].Value;
PaletteView.spritePalettesPrev[x].Value = PaletteView.spritePalettes[x].Value;
PaletteView.bgPalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.bgPalettes[x].Address]);
PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]);
}
if (PaletteView.HasChanged())
PaletteView.Refresh();
//Pattern Viewer
int b0 = 0;
int b1 = 0;