public override void Write(int _fullAddress, byte _val, bool _internal)
{
byte xval = Read(_fullAddress, true);
base.Write(_fullAddress, _val, _internal);
int ofs = _fullAddress - BaseAddress;
ofs %= 32;
_fullAddress = BaseAddress + ofs;
// voices
if ((ofs >= 0) && (ofs < 21))
{
int currVoice = 0;
if (ofs >= 7)
{
currVoice = 1;
}
if (ofs >= 14)
{
currVoice = 2;
}
SIDVoice v = GetVoice(currVoice);
v.Write(_fullAddress - BaseAddress, _val);
}
switch (_fullAddress)
{
case 0xd417:
{
FilterSettings = GetFilterSettings();
break;
}
case 0xd418:
{
FilterSettings = GetFilterSettings();
SetSIDVolume(FilterSettings.Volume);
SIDVoice v = GetVoice(2);
v.Mute = FilterSettings.Voice3Muted;
break;
}
}
}
public SIDChip_FilterSettings GetFilterSettings()
{
SIDChip_FilterSettings filter = new SIDChip_FilterSettings();
filter.Resonance = (Read(0xd417, true) & 0x0f) / 15.0f;
filter.Voice1FilterEnabled = ((Read(0xd417, true) & BIT.B1) > 0);
filter.Voice2FilterEnabled = ((Read(0xd417, true) & BIT.B2) > 0);
filter.Voice3FilterEnabled = ((Read(0xd417, true) & BIT.B3) > 0);
filter.Volume = (Read(0xd418, true) & 0x0f) / 15.0f;
filter.HighpassEnabled = ((Read(0xd418, true) & 64) > 0);
filter.BandpassEnabled = ((Read(0xd418, true) & 32) > 0);
filter.LowpassEnabled = ((Read(0xd418, true) & 16) > 0);
filter.Voice3Muted = ((Read(0xd418, true) & 128) > 0);
return(filter);
}
