static void WriteFlash(FamicomDumperConnection dumper, string fileName, WriteFlashRotMode rotMode = WriteFlashRotMode.None)
{
var nesFile = new NesFile(fileName);
int prgBanks = nesFile.PRG.Length / 0x8000;
if (prgBanks * 0x8000 < nesFile.PRG.Length)
{
prgBanks++;
}
int chrBanks = nesFile.CHR.Length / 0x2000;
if (chrBanks * 0x2000 < nesFile.CHR.Length)
{
chrBanks++;
}
Console.Write("Erasing PRG FLASH... ");
dumper.Timeout = 3000000;
dumper.ErasePrgFlash();
Console.WriteLine("Done!");
Console.Write("Writing PRG FLASH... ");
dumper.Timeout = 10000;
int writed = 0;
for (byte bank = 0; bank < 16; bank++)
{
int pos;
if (bank < prgBanks)
{
pos = bank * 0x8000;
}
else if (rotMode == WriteFlashRotMode.LastBanksOnly)
{
if (bank >= prgBanks && bank < 15)
{
continue;
}
pos = (prgBanks - 1) * 0x8000; // last bank
}
else if (rotMode == WriteFlashRotMode.Full)
{
pos = (bank % prgBanks) * 0x8000;
}
else
{
continue;
}
var data = new byte[0x8000];
Array.Copy(nesFile.PRG, pos, data, 0, Math.Min(0x8000, nesFile.PRG.Length - pos));
if (bank == prgBanks - 1 && nesFile.PRG.Length - pos < 0x8000)
{
Array.Copy(nesFile.PRG, pos, data, 0x8000 - (nesFile.PRG.Length - pos), nesFile.PRG.Length - pos);
}
dumper.WriteCpu(0x0000, (byte)(bank));
dumper.WritePrgFlash(0x0000, data);
writed++;
switch (rotMode)
{
case WriteFlashRotMode.None:
Console.Write("{0}% ", 100 * writed / prgBanks);
break;
case WriteFlashRotMode.LastBanksOnly:
Console.Write("{0}% ", 100 * writed / (prgBanks + 1));
break;
case WriteFlashRotMode.Full:
Console.Write("{0}% ", 100 * writed / 16);
break;
}
}
Console.WriteLine("Done! {0} banks writed.", writed);
Console.Write("Erasing CHR FLASH... ");
dumper.EraseChrFlash();
Console.WriteLine("Done!");
Console.Write("Writing CHR FLASH... ");
for (byte bank = 0; bank < chrBanks; bank++)
{
int pos = bank * 0x2000;
var data = new byte[0x2000];
Array.Copy(nesFile.CHR, pos, data, 0, Math.Min(0x2000, nesFile.CHR.Length - pos));
dumper.WriteCpu(0x4000, bank);
dumper.WriteChrFlash(0x0000, data);
if (chrBanks > 1)
{
Console.Write("{0}% ", 100 * (bank + 1) / chrBanks);
}
}
Console.WriteLine("Done! {0} banks writed.", chrBanks);
}
