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NES - implement Clip Left & Right sides option

This commit is contained in:
andres.delikat 2011-09-04 01:58:16 +00:00
parent 721a514d26
commit 35d0ad1b31
4 changed files with 25 additions and 7 deletions
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29
BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
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@ -133,6 +133,8 @@ namespace BizHawk.Emulation.Consoles.Nintendo
{
public int top = 8;
public int bottom = 231;
public int left = 0;
public int right = 256;
NES emu;
public MyVideoProvider(NES emu)
@ -145,31 +147,46 @@ namespace BizHawk.Emulation.Consoles.Nintendo
{
int backdrop = emu.CoreInputComm.NES_BackdropColor;
bool useBackdrop = (backdrop & 0xFF000000) != 0;
//TODO - we could recalculate this on the fly (and invalidate/recalculate it when the palette is changed)
for (int x = 0; x < 256; x++)
int width = right - left;
for (int x = left; x < right; x++)
{
for (int y = top; y < bottom; y++)
{
short pixel = emu.ppu.xbuf[(y*256) + x];
if ((pixel & 0x8000) != 0 && useBackdrop)
{
pixels[((y-top)*256) + x] = backdrop;
pixels[((y-top)*width) + (x - left)] = backdrop;
}
else pixels[((y-top)*256) + x] = emu.palette_compiled[pixel & 0x7FFF];
else pixels[((y-top)*width) + (x - left)] = emu.palette_compiled[pixel & 0x7FFF];
}
}
return pixels;
}
public int BufferWidth { get { return 256; } }
public int BufferWidth { get { return right - left; } }
public int BufferHeight { get { return bottom - top; } }
public int BackgroundColor { get { return 0; } }
public int Top { get { return top; } set { top = value; } }
public int Bottom { get { return bottom; } set { bottom = value; } }
}
public int FirstDrawLine { get { return videoProvider.top; } set { videoProvider.top = value; } }
public int LastDrawLine { get { return videoProvider.bottom; } set { videoProvider.bottom = value; } }
public void SetClipLeftAndRight(bool clip)
{
if (clip)
{
videoProvider.left = 8;
videoProvider.right = 248;
}
else
{
videoProvider.left = 0;
videoProvider.right = 256;
}
}
MyVideoProvider videoProvider;
public IVideoProvider VideoProvider { get { return videoProvider; } }
public ISoundProvider SoundProvider { get { return apu; } }

1
BizHawk.MultiClient/MainForm.cs
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@ -1029,6 +1029,7 @@ namespace BizHawk.MultiClient
NES nes = new NES(game, rom.FileData);
nes.FirstDrawLine = Global.Config.NESTopLine;
nes.LastDrawLine = Global.Config.NESBottomLine;
nes.SetClipLeftAndRight(Global.Config.NESClipLeftAndRight);
Global.Game.Status = nes.RomStatus;
nextEmulator = nes;
if (Global.Config.NESAutoLoadPalette && Global.Config.NESPaletteFile.Length > 0 &&

1
BizHawk.MultiClient/NEStools/NESGraphicsConfig.Designer.cs generated
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@ -220,7 +220,6 @@
// ClipLeftAndRightCheckBox
//
this.ClipLeftAndRightCheckBox.AutoSize = true;
this.ClipLeftAndRightCheckBox.Enabled = false;
this.ClipLeftAndRightCheckBox.Location = new System.Drawing.Point(143, 47);
this.ClipLeftAndRightCheckBox.Name = "ClipLeftAndRightCheckBox";
this.ClipLeftAndRightCheckBox.Size = new System.Drawing.Size(186, 17);

1
BizHawk.MultiClient/NEStools/NESGraphicsConfig.cs
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@ -93,6 +93,7 @@ namespace BizHawk.MultiClient
nes.LastDrawLine = (int)LastLineNumeric.Value;
Global.Config.NESAllowMoreThanEightSprites = AllowMoreSprites.Checked;
Global.Config.NESClipLeftAndRight = ClipLeftAndRightCheckBox.Checked;
nes.SetClipLeftAndRight(ClipLeftAndRightCheckBox.Checked);
Global.Config.NESAutoLoadPalette = AutoLoadPalette.Checked;
Global.Config.NESDispSprites = DispSprites.Checked;
Global.Config.NESDispBackground = DispBackground.Checked;