diff options
Diffstat (limited to 'engines/agi/sound_2gs.cpp')
| -rw-r--r-- | engines/agi/sound_2gs.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/engines/agi/sound_2gs.cpp b/engines/agi/sound_2gs.cpp index 3c8a3dfc8d..38e256aa4b 100644 --- a/engines/agi/sound_2gs.cpp +++ b/engines/agi/sound_2gs.cpp @@ -167,12 +167,12 @@ uint SoundGen2GS::generateOutput() { g->seg++; } } - + // TODO: Advance vibrato here. The Apple IIGS uses a LFO with // triangle wave to modulate the frequency of both oscillators. // In Apple IIGS the vibrato and the envelope are updated at the // same time, so the vibrato speed depends on ENVELOPE_COEF. - + // Advance oscillators int s0 = 0; int s1 = 0; @@ -202,12 +202,12 @@ uint SoundGen2GS::generateOutput() { } } } - + // Take envelope and MIDI volume information into account. // Also amplify. s0 *= vol * g->vel / 127 * 80 / 256; s1 *= vol * g->vel / 127 * 80 / 256; - + // Select output channel. if (g->osc[0].chn) outl += s0; @@ -375,7 +375,7 @@ void SoundGen2GS::midiNoteOn(int channel, int note, int velocity) { IIgsGenerator* g = allocateGenerator(); g->ins = _channels[channel].getInstrument(); const IIgsInstrumentHeader* i = g->ins; - + // Pass information from the MIDI channel to the generator. Take // velocity into account, although simplistically. velocity *= 5 / 3; @@ -385,7 +385,7 @@ void SoundGen2GS::midiNoteOn(int channel, int note, int velocity) { g->key = note; g->vel = velocity * _channels[channel].getVolume() / 127; g->chn = channel; - + // Instruments can define different samples to be used based on // what the key is. Find the correct samples for our key. int wa = 0; |