public bool addExtraSid(c64sid s, int address)
{
// Check for valid address in the IO area range ($dxxx)
if ((address & 0xf000) != 0xd000)
{
return(false);
}
int idx = (address >> 8) & 0xf;
// Only allow second SID chip in SID area ($d400-$d7ff)
// or IO Area ($de00-$dfff)
if (idx < 0x4 || (idx > 0x7 && idx < 0xe))
{
return(false);
}
// Add new SID bank
Tuple <int, Banks.ExtraSidBank> it = extraSidBanks[idx];
if (idx != extraSidBanks.Count - 1)
{
Banks.ExtraSidBank extraSidBank = it.Item2;
extraSidBank.addSID(s, address);
}
else
{
extraSidBanks.Add(new Tuple <int, Banks.ExtraSidBank>(idx, new Banks.ExtraSidBank()));
Banks.ExtraSidBank extraSidBank = extraSidBanks[extraSidBanks.Count - 1].Item2;
extraSidBank.resetSIDMapper(ioBank.getBank(idx));
ioBank.setBank(idx, extraSidBank);
extraSidBank.addSID(s, address);
}
return(true);
}
public void setBaseSid(c64sid s)
{
sidBank.setSID(s);
}