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nes-straighten out rendering range off by one issues

This commit is contained in:
zeromus 2012-03-04 01:41:14 +00:00
parent 263773cf8d
commit fce546dc2b
1 changed files with 7 additions and 7 deletions
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14
BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
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@ -133,7 +133,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
public int top = 8; public int top = 8;
public int bottom = 231; public int bottom = 231;
public int left = 0; public int left = 0;
public int right = 256; public int right = 255;
NES emu; NES emu;
public MyVideoProvider(NES emu) public MyVideoProvider(NES emu)
@ -148,10 +148,10 @@ namespace BizHawk.Emulation.Consoles.Nintendo
bool useBackdrop = (backdrop & 0xFF000000) != 0; bool useBackdrop = (backdrop & 0xFF000000) != 0;
//TODO - we could recalculate this on the fly (and invalidate/recalculate it when the palette is changed) //TODO - we could recalculate this on the fly (and invalidate/recalculate it when the palette is changed)
int width = right - left; int width = BufferWidth;
for (int x = left; x < right; x++) for (int x = left; x <= right; x++)
{ {
for (int y = top; y < bottom; y++) for (int y = top; y <= bottom; y++)
{ {
short pixel = emu.ppu.xbuf[(y * 256) + x]; short pixel = emu.ppu.xbuf[(y * 256) + x];
if ((pixel & 0x8000) != 0 && useBackdrop) if ((pixel & 0x8000) != 0 && useBackdrop)
@ -163,8 +163,8 @@ namespace BizHawk.Emulation.Consoles.Nintendo
} }
return pixels; return pixels;
} }
public int BufferWidth { get { return right - left; } } public int BufferWidth { get { return right - left + 1; } }
public int BufferHeight { get { return bottom - top; } } public int BufferHeight { get { return bottom - top + 1; } }
public int BackgroundColor { get { return 0; } } public int BackgroundColor { get { return 0; } }
} }
@ -181,7 +181,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
else else
{ {
videoProvider.left = 0; videoProvider.left = 0;
videoProvider.right = 256; videoProvider.right = 255;
} }
} }