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add auto-envelope mode (29xy effect)

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this closes #32
This commit is contained in:
tildearrow 2022-01-20 03:23:03 -05:00
parent 04240ffa46
commit 75ce5f4e2a
11 changed files with 64 additions and 8 deletions
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4
src/engine/platform/ay8930.h
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@ -10,13 +10,13 @@ class DivPlatformAY8930: public DivDispatch {
struct Channel {
unsigned char freqH, freqL;
int freq, baseFreq, pitch;
unsigned char ins, note, psgMode, duty;
unsigned char ins, note, psgMode, autoEnvNum, autoEnvDen, duty;
signed char konCycles;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
int vol, outVol;
unsigned char pan;
DivMacroInt std;
Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), note(0), psgMode(1), duty(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(31), pan(3) {}
Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), note(0), psgMode(1), autoEnvNum(0), autoEnvDen(0), duty(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(31), pan(3) {}
};
Channel chan[3];
bool isMuted[3];