public byte PeekReg(int addr)
{
switch (addr)
{
case 0x4000:
case 0x4001:
case 0x4002:
case 0x4003:
case 0x4004:
case 0x4005:
case 0x4006:
case 0x4007:
case 0x4008:
case 0x4009:
case 0x400A:
case 0x400B:
case 0x400C:
case 0x400D:
case 0x400E:
case 0x400F:
case 0x4010:
case 0x4011:
case 0x4012:
case 0x4013:
return(apu.PeekReg(addr));
case 0x4014: /*OAM DMA*/ break;
case 0x4015: return(apu.PeekReg(addr));
case 0x4016:
case 0x4017:
return(peek_joyport(addr));
default:
//Console.WriteLine("read register: {0:x4}", addr);
break;
}
return(0xFF);
}