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NES PPU - Progress on pattern viewer

This commit is contained in:
andres.delikat 2011-03-12 04:33:21 +00:00
parent f33837bf5d
commit c79de1ffeb
1 changed files with 13 additions and 6 deletions
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19
BizHawk.MultiClient/NEStools/NESPPU.cs
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@ -44,6 +44,12 @@ namespace BizHawk.MultiClient
Location = new Point(Global.Config.NESPPUWndx, Global.Config.NESPPUWndy);
}
private byte GetBit(int address, int bit)
{
byte value = Nes.ppu.ppubus_read(address);
return (byte)(((value >> (7 - bit)) & 1));
}
public void UpdateValues()
{
if (!(Global.Emulator is NES)) return;
@ -66,13 +72,14 @@ namespace BizHawk.MultiClient
{
for (int y = 0; y < 8; y++)
{
int address = (i * 256) + (j * 16) + (x / 4) + (y / 4);
byte value;
Bit b0 = new Bit();
Bit b1 = new Bit();
b0 = GetBit((i * 256) + (j * 16) + y + b0 * 8, x);
b1 = GetBit((i * 256) + (j * 16) + y + b1 * 8, x);
byte value = (byte)(b0 + (b1 * 2));
//TODO: add PALRAM info to value
//Incorrectly read the color value for now
value = Nes.ppu.ppubus_read(address);
value /= 4;
/////////////////////////////////////////
int cvalue = Nes.ConvertColor(value);
unchecked
{