public void loadGame(NesRom rom, string map_path)
{
int resp;
byte[] id_bin = rom.getRomID();
byte[] prg = rom.PrgData;
byte[] chr = rom.ChrData;
cmd(cmd_sel_game);
txString("USB:" + Path.GetFileName(rom.Name));
resp = edio.rx8();//system ready to receive id
edio.fifoWR(id_bin, 0, id_bin.Length);
resp = edio.rx8();
if (resp != 0)
{
throw new Exception("Game select error 0x: " + resp.ToString("X2"));
}
int map_idx = edio.rx16();
if (map_idx != rom.Mapper)
{
Console.WriteLine("map reloc: " + map_idx);
}
if (map_path == null)
{
map_path = getTestMapper(map_idx);
}
cmd(cmd_run_game);
edio.rx8();//exec
edio.memWR(rom.PrgAddr, prg, 0, prg.Length);
edio.memWR(rom.ChrAddr, chr, 0, chr.Length);
if (map_path == null)
{
mapLoadSDC(map_idx, null);
}
else
{
Console.WriteLine("ext mapper: " + map_path);
edio.fpgInit(File.ReadAllBytes(map_path), null);
}
}
static void cmd_memWrite(string path, string addr_str)
{
int addr = 0;
Console.Write("Memory write...");
addr = getNum(addr_str);
byte[] data = File.ReadAllBytes(path);
edio.memWR(addr, data, 0, data.Length);
Console.WriteLine("ok");
}
int testMEM(string name, int addr, int size)
{
byte[] buff;
Console.Write("Testing " + name + "...");
//simple data bus test
buff = new byte[] { 0xAA };
edio.memWR(addr, buff, 0, buff.Length);
edio.memRD(addr, buff, 0, buff.Length);
if (buff[0] != 0xAA)
{
return(0x01);
}
buff = new byte[] { 0x55 };
edio.memWR(addr, buff, 0, buff.Length);
edio.memRD(addr, buff, 0, buff.Length);
if (buff[0] != 0x55)
{
return(0x01);
}
//full data bus + partial address bus test
buff = new byte[256];
for (int i = 0; i < buff.Length; i++)
{
buff[i] = (byte)i;
}
edio.memWR(addr, buff, 0, buff.Length);
edio.memRD(addr, buff, 0, buff.Length);
for (int i = 0; i < buff.Length; i++)
{
if (buff[i] != i)
{
return(0x02);
}
}
//full address bus test
for (int i = 0; i < size; i *= 2)
{
buff = BitConverter.GetBytes(i);
edio.memWR(addr + i, buff, 0, buff.Length);
if (i == 0)
{
i = 2;
}
}
for (int i = 0; i < size; i *= 2)
{
edio.memRD(addr + i, buff, 0, buff.Length);
int val = BitConverter.ToInt32(buff, 0);
if (val != i)
{
return(0x03);
}
if (i == 0)
{
i = 2;
}
}
//random data test
Random rnd = new Random((int)DateTime.Now.Ticks);
byte[] rnd_dat = new byte[0x10000];
buff = new byte[rnd_dat.Length];
rnd.NextBytes(rnd_dat);
edio.memWR(addr, rnd_dat, 0, rnd_dat.Length);
edio.memRD(addr, buff, 0, buff.Length);
for (int i = 0; i < buff.Length; i++)
{
if (buff[i] != rnd_dat[i])
{
return(0x04);
}
}
return(0);
}