void WriteReg(int addr, byte val)
{
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:
apu.WriteReg(addr, val);
break;
case 0x4014:
//schedule a sprite dma event for beginning 1 cycle in the future.
//this receives 2 because thats just the way it works out.
oam_dma_addr = (ushort)(val << 8);
sprdma_countdown = 1;
break;
case 0x4015: apu.WriteReg(addr, val); break;
case 0x4016:
if (_isVS)
{
write_joyport(val);
VS_chr_reg = (byte)((val & 0x4) >> 2);
//TODO: does other stuff for dual system
//this is actually different then assignment
VS_prg_reg = (byte)((val & 0x4) >> 2);
}
else
{
write_joyport(val);
}
break;
case 0x4017: apu.WriteReg(addr, val); break;
default:
//Console.WriteLine("wrote register: {0:x4} = {1:x2}", addr, val);
break;
}
}
void WriteReg(int addr, byte val)
{
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:
apu.WriteReg(addr, val);
break;
case 0x4014: Exec_OAMDma(val); break;
case 0x4015: apu.WriteReg(addr, val); break;
case 0x4016:
if (_isVS)
{
write_joyport(val);
VS_chr_reg = (byte)((val & 0x4) >> 2);
//TODO: does other stuff for dual system
//this is actually different then assignment
VS_prg_reg = (byte)((val & 0x4) >> 2);
}
else
{
write_joyport(val);
}
break;
case 0x4017: apu.WriteReg(addr, val); break;
default:
//Console.WriteLine("wrote register: {0:x4} = {1:x2}", addr, val);
break;
}
}
void WriteReg(int addr, byte val)
{
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:
apu.WriteReg(addr, val);
break;
case 0x4014: Exec_OAMDma(val); break;
case 0x4015: apu.WriteReg(addr, val); break;
case 0x4016:
if (_iskeyboard)
{
// eventually keyboard emulation will go here
}
else
{
write_joyport(val);
}
break;
case 0x4017: apu.WriteReg(addr, val); break;
default:
//Console.WriteLine("wrote register: {0:x4} = {1:x2}", addr, val);
break;
}
}
void WriteReg(int addr, byte val)
{
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:
apu.WriteReg(addr, val);
break;
case 0x4014: Exec_OAMDma(val); break;
case 0x4015: apu.WriteReg(addr, val); break;
case 0x4016:
write_joyport(val);
break;
case 0x4017: apu.WriteReg(addr, val); break;
default:
//Console.WriteLine("wrote register: {0:x4} = {1:x2}", addr, val);
break;
}
}
private void WriteReg(int addr, byte val)
{
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:
apu.WriteReg(addr, val);
break;
case 0x4014:
//schedule a sprite dma event for beginning 1 cycle in the future.
//this receives 2 because that's just the way it works out.
oam_dma_addr = (ushort)(val << 8);
sprdma_countdown = 1;
if (sprdma_countdown > 0)
{
sprdma_countdown--;
if (sprdma_countdown == 0)
{
if (cpu.TotalExecutedCycles % 2 == 0)
{
cpu_deadcounter = 2;
}
else
{
cpu_deadcounter = 1;
}
oam_dma_exec = true;
cpu.RDY = false;
oam_dma_index = 0;
special_case_delay = true;
}
}
break;
case 0x4015: apu.WriteReg(addr, val); break;
case 0x4016:
if (_isVS)
{
write_joyport(val);
VS_chr_reg = (byte)((val & 0x4) >> 2);
//TODO: does other stuff for dual system
//this is actually different then assignment
VS_prg_reg = (byte)((val & 0x4) >> 2);
}
else
{
write_joyport(val);
}
break;
case 0x4017: apu.WriteReg(addr, val); break;
default:
//Console.WriteLine("wrote register: {0:x4} = {1:x2}", addr, val);
break;
}
}