private unsafe void Generate(bool now = false)
{
if (!IsHandleCreated || IsDisposed)
{
return;
}
if (now == false && _emu.Frame % RefreshRate.Value != 0)
{
return;
}
var bmpdata = NameTableView.Nametables.LockBits(
new Rectangle(0, 0, 512, 480),
ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
var dptr = (int *)bmpdata.Scan0.ToPointer();
var pitch = bmpdata.Stride / 4;
// Buffer all the data from the ppu, because it will be read multiple times and that is slow
var ppuBuffer = _ppu.GetPPUBus();
var palram = _ppu.GetPalRam();
if (_ppu.ExActive)
{
byte[] exram = _ppu.GetExRam();
GenerateExAttr(dptr, pitch, palram, ppuBuffer, exram);
}
else
{
GenerateAttr(dptr, pitch, palram, ppuBuffer);
}
NameTableView.Nametables.UnlockBits(bmpdata);
NameTableView.Refresh();
}
private void RefreshImageContextMenuItem_Click(object sender, EventArgs e)
{
UpdateValues();
NameTableView.Refresh();
}
private unsafe void Generate(bool now = false)
{
if (!IsHandleCreated || IsDisposed)
{
return;
}
if (_nes == null)
{
return;
}
if (now == false && Global.Emulator.Frame % RefreshRate.Value != 0)
{
return;
}
var bmpdata = NameTableView.Nametables.LockBits(
new Rectangle(0, 0, 512, 480),
ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
var dptr = (int *)bmpdata.Scan0.ToPointer();
var pitch = bmpdata.Stride / 4;
// Buffer all the data from the ppu, because it will be read multiple times and that is slow
var ppuBuffer = new byte[0x3000];
for (var i = 0; i < 0x3000; i++)
{
ppuBuffer[i] = _nes.ppu.ppubus_peek(i);
}
var palram = new byte[0x20];
for (var i = 0; i < 0x20; i++)
{
palram[i] = _nes.ppu.PALRAM[i];
}
var board = _nes.GetBoard();
if (board is ExROM && (board as ExROM).ExAttrActive)
{
byte[] exram = new byte[1024];
var md = _nes.MemoryDomains["ExRAM"];
for (int i = 0; i < 1024; i++)
{
exram[i] = md.PeekByte(i);
}
GenerateExAttr(dptr, pitch, palram, ppuBuffer, exram);
}
else
{
GenerateAttr(dptr, pitch, palram, ppuBuffer);
}
NameTableView.Nametables.UnlockBits(bmpdata);
NameTableView.Refresh();
}