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C64: 20xy and 21xy for setting ADSR
dropping DefleJank
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@ -47,6 +47,7 @@ two versions of aforementioned chip exist - 6581 (original chip) and 8580 (impro
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- if `y` is not 0: now
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- if `y` is not 0: now
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- this effect is not necessary if the instrument's duty macro is absolute.
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- this effect is not necessary if the instrument's duty macro is absolute.
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- `1Exy`: **change additional parameters.**
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- `1Exy`: **change additional parameters.**
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- _this effect only exists for compatibility reasons, and its use is discouraged._
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- `x` may be one of the following:
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- `x` may be one of the following:
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- `0`: attack (`y` from `0` to `F`)
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- `0`: attack (`y` from `0` to `F`)
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- `1`: decay (`y` from `0` to `F`)
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- `1`: decay (`y` from `0` to `F`)
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@ -55,6 +56,12 @@ two versions of aforementioned chip exist - 6581 (original chip) and 8580 (impro
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- `4`: ring modulation (`y` is `0` or `1`)
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- `4`: ring modulation (`y` is `0` or `1`)
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- `5`: oscillator sync (`y` is `0` or `1`)
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- `5`: oscillator sync (`y` is `0` or `1`)
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- `6`: disable channel 3 (`y` is `0` or `1`)
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- `6`: disable channel 3 (`y` is `0` or `1`)
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- `20xy`: **set attack/decay.**
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- `x` is the attack.
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- `y` is the decay.
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- `21xy`: **set sustain/release.**
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- `x` is the sustain.
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- `y` is the release.
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- `3xxx`: **set duty cycle.** `xxx` range is `000` to `FFF`.
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- `3xxx`: **set duty cycle.** `xxx` range is `000` to `FFF`.
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- `4xxx`: **set cutoff.** `xxx` range is `000` to `7FF`.
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- `4xxx`: **set cutoff.** `xxx` range is `000` to `7FF`.
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@ -238,6 +238,9 @@ enum DivDispatchCmds {
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DIV_CMD_EXTERNAL, // (value)
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DIV_CMD_EXTERNAL, // (value)
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DIV_CMD_C64_AD, // (value)
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DIV_CMD_C64_SR, // (value)
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DIV_ALWAYS_SET_VOLUME, // () -> alwaysSetVol
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DIV_ALWAYS_SET_VOLUME, // () -> alwaysSetVol
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DIV_CMD_MAX
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DIV_CMD_MAX
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@ -493,6 +493,16 @@ int DivPlatformC64::dispatch(DivCommand c) {
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break;
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break;
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}
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}
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break;
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break;
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case DIV_CMD_C64_AD:
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chan[c.chan].attack=c.value>>4;
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chan[c.chan].decay=c.value&15;
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rWrite(c.chan*7+5,(chan[c.chan].attack<<4)|(chan[c.chan].decay));
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break;
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case DIV_CMD_C64_SR:
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chan[c.chan].sustain=c.value>>4;
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chan[c.chan].release=c.value&15;
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rWrite(c.chan*7+6,(chan[c.chan].sustain<<4)|(chan[c.chan].release));
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break;
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case DIV_CMD_MACRO_OFF:
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case DIV_CMD_MACRO_OFF:
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chan[c.chan].std.mask(c.value,true);
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chan[c.chan].std.mask(c.value,true);
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break;
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break;
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@ -239,6 +239,9 @@ const char* cmdName[]={
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"EXTERNAL",
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"EXTERNAL",
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"C64_AD",
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"C64_SR",
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"ALWAYS_SET_VOLUME"
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"ALWAYS_SET_VOLUME"
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};
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};
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@ -598,6 +598,8 @@ void DivEngine::registerSystems() {
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{0x1b, {DIV_CMD_C64_FILTER_RESET, "1Bxy: Reset cutoff (x: on new note; y: now)"}},
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{0x1b, {DIV_CMD_C64_FILTER_RESET, "1Bxy: Reset cutoff (x: on new note; y: now)"}},
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{0x1c, {DIV_CMD_C64_DUTY_RESET, "1Cxy: Reset pulse width (x: on new note; y: now)"}},
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{0x1c, {DIV_CMD_C64_DUTY_RESET, "1Cxy: Reset pulse width (x: on new note; y: now)"}},
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{0x1e, {DIV_CMD_C64_EXTENDED, "1Exy: Change additional parameters"}},
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{0x1e, {DIV_CMD_C64_EXTENDED, "1Exy: Change additional parameters"}},
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{0x20, {DIV_CMD_C64_AD, "20xy: Set attack/decay (x: attack; y: decay)"}},
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{0x21, {DIV_CMD_C64_SR, "21xy: Set sustain/release (x: sustain; y: release)"}},
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};
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};
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const EffectHandler c64FineDutyHandler(DIV_CMD_C64_FINE_DUTY, "3xxx: Set pulse width (0 to FFF)", effectValLong<12>);
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const EffectHandler c64FineDutyHandler(DIV_CMD_C64_FINE_DUTY, "3xxx: Set pulse width (0 to FFF)", effectValLong<12>);
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const EffectHandler c64FineCutoffHandler(DIV_CMD_C64_FINE_CUTOFF, "4xxx: Set cutoff (0 to 7FF)", effectValLong<11>);
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const EffectHandler c64FineCutoffHandler(DIV_CMD_C64_FINE_CUTOFF, "4xxx: Set cutoff (0 to 7FF)", effectValLong<11>);
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