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HD Packs: Changed audio replacement registers

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This commit is contained in:
Souryo 2017-08-20 18:25:14 -04:00
parent 77bbe2e1da
commit 7e50f2aee1
2 changed files with 40 additions and 17 deletions
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55
Core/HdAudioDevice.cpp
View file

@ -46,52 +46,75 @@ void HdAudioDevice::ProcessControlFlags(uint8_t flags)
void HdAudioDevice::GetMemoryRanges(MemoryRanges & ranges)
{
uint16_t baseRegisterAddr = (_hdData->OptionFlags & (int)HdPackOptions::AlternateRegisterRange) ? 0x5000 : 0x4000;
bool useAlternateRegisters = (_hdData->OptionFlags & (int)HdPackOptions::AlternateRegisterRange);
ranges.SetAllowOverride();
ranges.AddHandler(MemoryOperation::Any, baseRegisterAddr + 0xFF9, baseRegisterAddr + 0xFFF);
if(useAlternateRegisters) {
for(int i = 0; i < 7; i++) {
ranges.AddHandler(MemoryOperation::Write, 0x3002 + i * 0x10);
}
ranges.AddHandler(MemoryOperation::Read, 0x4018);
ranges.AddHandler(MemoryOperation::Read, 0x4019);
} else {
ranges.AddHandler(MemoryOperation::Any, 0x4100, 0x4106);
}
}
void HdAudioDevice::WriteRAM(uint16_t addr, uint8_t value)
{
switch(addr & 0xFFF) {
//$4100/$3002: Playback Options
//$4101/$3012: Playback Control
//$4102/$3022: BGM Volume
//$4103/$3032: SFX Volume
//$4104/$3042: Album Number
//$4105/$3052: Play BGM Track
//$4106/$3062: Play SFX Track
int regNumber = addr > 0x4100 ? (addr & 0xF) : ((addr & 0xF0) >> 4);
switch(regNumber) {
//Playback Options
//Bit 0: Loop BGM
//Bit 1-7: Unused, reserved - must be 0
case 0xFF9: _oggMixer->SetPlaybackOptions(value); break;
case 0: _oggMixer->SetPlaybackOptions(value); break;
//Playback Control
//Bit 0: Toggle Pause/Resume (only affects BGM)
//Bit 1: Stop BGM
//Bit 2: Stop all SFX
//Bit 3-7: Unused, reserved - must be 0
case 0xFFA: ProcessControlFlags(value); break;
case 1: ProcessControlFlags(value); break;
//BGM Volume: 0 = mute, 255 = max
//Also has an immediate effect on currently playing BGM
case 0xFFB: _oggMixer->SetBgmVolume(value); break;
case 2: _oggMixer->SetBgmVolume(value); break;
//SFX Volume: 0 = mute, 255 = max
//Also has an immediate effect on all currently playing SFX
case 0xFFC: _oggMixer->SetSfxVolume(value); break;
case 3: _oggMixer->SetSfxVolume(value); break;
//Album number: 0-255 (Allows for up to 64k BGM and SFX tracks)
//No immediate effect - only affects subsequent $4FFE/$4FFF writes
case 0xFFD: _album = value; break;
case 4: _album = value; break;
//Play BGM track (0-255 = track number)
//Stop the current BGM and starts a new track
case 0xFFE: _trackError = PlayBgmTrack(value); break;
case 5: _trackError = PlayBgmTrack(value); break;
//Play sound effect (0-255 = sfx number)
//Plays a new sound effect (no limit to the number of simultaneous sound effects)
case 0xFFF: _trackError = PlaySfx(value); break;
case 6: _trackError = PlaySfx(value); break;
}
}
uint8_t HdAudioDevice::ReadRAM(uint16_t addr)
{
switch(addr & 0xFFF) {
case 0xFFA:
//$4100/$4018: Status
//$4101/$4019: Revision
//$4102: 'N' (signature to help detection)
//$4103: 'E'
//$4103: 'A'
switch(addr & 0x7) {
case 0:
//Status
return (
(_oggMixer->IsBgmPlaying() ? 1 : 0) |
@ -99,10 +122,10 @@ uint8_t HdAudioDevice::ReadRAM(uint16_t addr)
(_trackError ? 4 : 0)
);
case 0xFFC: return 'N'; //NES
case 0xFFD: return 'E'; //Enhanced
case 0xFFE: return 'A'; //Audio
case 0xFFF: return 1; //Revision
case 1: return 1; //Revision
case 2: return 'N'; //NES
case 3: return 'E'; //Enhanced
case 4: return 'A'; //Audio
}
return 0;

2
Core/OggMixer.cpp
View file

@ -18,7 +18,7 @@ void OggMixer::Reset()
_bgm.reset();
_sfx.clear();
_sfxVolume = 128;
_bgmVolume = 45;
_bgmVolume = 128;
_options = 0;
_sampleRate = EmulationSettings::GetSampleRate();
_paused = false;