/*
* public void OnKeyDown(Keys _key)
* {
* Keyboard.OnKeyDown(_key);
* if (Joystick1 != null)
* Joystick1.OnKeyDown(_key);
* if (Joystick2 != null)
* Joystick2.OnKeyDown(_key);
* }
*
* public void OnKeyUp(Keys _key)
* {
* Keyboard.OnKeyUp(_key);
* if (Joystick1 != null)
* Joystick1.OnKeyUp(_key);
* if (Joystick2 != null)
* Joystick2.OnKeyUp(_key);
* }
*/
public void Reset()
{
CPU.Reset();
MPU.Reset();
CIA1.Reset();
CIA2.Reset();
SID.Reset();
VIC.Reset();
}
public void LoadRom(Stream s)
{
BinaryReader br = new BinaryReader(s);
header.valid = true;
header.raw = br.ReadBytes(16);
br.BaseStream.Seek(0, SeekOrigin.Begin);
header.nes = Encoding.UTF8.GetString(br.ReadBytes(3));
if (br.ReadByte() != 0x1A)
{
header.valid = false;
}
header.PRGBanks = br.ReadByte();
header.CHRBanks = br.ReadByte();
int flags = br.ReadByte();
int mapper = (flags >> 4);
header.VerticalMirror = (flags & 1) != 0;
header.batBackedPRGRam = (flags & 2) != 0;
header.trainerPresent = (flags & 4) != 0;
header.fourScreenVram = (flags & 8) != 0;
flags = br.ReadByte();
header.mapper = ((flags & 0xF0) | mapper);
header.VSunisys = (flags & 1) != 0;
header.PlayChoice = (flags & 2) != 0;
header.NES2_0 = (flags & 12) != 8;
header.PRGRamBanks = br.ReadByte();
flags = br.ReadByte();
header.NTSC = (flags & 3) == 0;
header.PRGRam = (flags & 16) == 0;
header.BusConflicts = (flags & 32) != 0;
br.BaseStream.Seek(16, SeekOrigin.Begin);
RawPRG = br.ReadBytes(16384 * header.PRGBanks);
RawCHR = br.ReadBytes(8192 * header.CHRBanks);
br.Close();
if (Mapper.Mappers.ContainsKey(header.mapper))
{
Cart = Mapper.Mappers[header.mapper];
}
else
{
Cart = new NROM();
}
CPU.Reset();
Reloaded?.Invoke();
}