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small amount of work on NES Sprite viewer, added nesasm.pdf to NES docs

This commit is contained in:
andres.delikat 2011-07-16 18:16:21 +00:00
parent b1abe27bfc
commit 7445ff887c
4 changed files with 81 additions and 56 deletions
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BizHawk.Emulation/Consoles/Nintendo/Docs/nesasm.pdf Normal file
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25
BizHawk.MultiClient/NEStools/NESPPU.cs
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@ -117,6 +117,31 @@ namespace BizHawk.MultiClient
}
PatternView.pattern.UnlockBits(bmpdata);
PatternView.Refresh();
int SpriteNum, TileNum, Attr, MemAddr;
//Sprite Viewer
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 16; x++)
{
SpriteNum = (y << 4) | x;
TileNum = 0; //TODO
Attr = 0; //TODO
if (((int)Nes.ppu.reg_2000.Value & (int)0x20) > 0) //TODO why is C# being retarded about using & with a byte?
{
MemAddr = ((TileNum & 0xFE) << 4) | ((TileNum & 0x01) << 12);
//DrawTile(SprArray + y * 24 * D_SPR_W + x * 16, MemAddr, 4 | (Attr & 3), D_SPR_W);
//DrawTile(SprArray + y * 24 * D_SPR_W + x * 16 + 8 * D_SPR_W, MemAddr + 16, 4 | (Attr & 3), D_SPR_W);
}
else
{
MemAddr = (TileNum << 4) | ((Nes.ppu.reg_2000.Value & (byte)0x08) << 9);
//DrawTile(SprArray + y * 24 * D_SPR_W + x * 16, MemAddr, 4 | (Attr & 3), D_SPR_W);
}
}
}
}
public unsafe void UpdateValues()

6
BizHawk.MultiClient/NEStools/SpriteViewer.cs
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@ -11,12 +11,12 @@ namespace BizHawk.MultiClient
public class SpriteViewer : Control
{
Size pSize;
public Bitmap pattern;
public Bitmap sprites;
public SpriteViewer()
{
pSize = new Size(256, 128);
pattern = new Bitmap(pSize.Width, pSize.Height);
sprites = new Bitmap(pSize.Width, pSize.Height);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.DoubleBuffer, true);
@ -29,7 +29,7 @@ namespace BizHawk.MultiClient
{
unchecked
{
g.DrawImage(pattern, 1, 1);
g.DrawImage(sprites, 1, 1);
}
}