mostly indent
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@ -73,10 +73,10 @@ void Synth::run() {
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// noise[i] = (1 - (tr21 & 0x00ffffff) / 8388608.0f) * (patchRam.noiseLevel * 0.0063);
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}
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//printf("updating\n");
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// printf("updating\n");
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for (uint8_t i = 0; i < NUM_VOICES; i++) {
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voices[i].update();
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voices[i].update();
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}
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}
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@ -163,6 +163,7 @@ Voice::Voice() {
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}
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void Voice::calcPitch() {
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uint16_t ea;
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uint16_t target = note << 8;
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// Portamento is a linear change of pitch - it'll take twice as long
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@ -171,43 +172,42 @@ void Voice::calcPitch() {
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// This is implemented here by adding on a step value until you pass
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// the desired final pitch. Once that happens the value is clamped to the
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// desired pitch.
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/*
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if (ic29.portaCoeff != 0) {
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// portamento up
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if (pitch < target) {
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pitch += ic29.portaCoeff;
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if (pitch > target) pitch = target;
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}
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// portamento down
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if (pitch > target) {
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pitch -= ic29.portaCoeff;
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if (pitch < target) pitch = target;
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}
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} else {
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pitch = target;
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if (ic29.portaCoeff != 0) {
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// portamento up
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if (pitch < target) {
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pitch += ic29.portaCoeff;
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if (pitch > target) pitch = target;
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}
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// portamento down
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if (pitch > target) {
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pitch -= ic29.portaCoeff;
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if (pitch < target) pitch = target;
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}
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} else {
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pitch = target;
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}
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pitch += ic29.masterPitch;
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ea = pitch + ic29.masterPitch;
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if (pitch < 0x3000) pitch = 0x3000; // lowest note
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if (pitch > 0x9700) pitch = 0x6700; // highest note
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if (ea < 0x3000) ea = 0x3000; // lowest note
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if (ea > 0x9700) ea = 0x6700; // highest note
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pitch -= 0x3000;
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ea -= 0x3000;
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// interpolate between the two table values
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double o1 = ic29.pitchTable[pitch >> 8];
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double o2 = ic29.pitchTable[(pitch >> 8) + 1];
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double frac = (pitch & 0xff) / 256.0f;
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// interpolate between the two table values
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double o1 = ic29.pitchTable[ea >> 8];
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double o2 = ic29.pitchTable[(ea >> 8) + 1];
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double frac = (ea & 0xff) / 256.0f;
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omega = ((o2 - o1) * frac) + o1;
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*/
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omega = ((o2 - o1) * frac) + o1;
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}
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void Voice::update() {
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// calculate the once-per-block values
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env.run();
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calcPitch();
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//printf("env=%04x\n", env.level);
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// printf("env=%04x\n", env.level);
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/*
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pw = (patchRam.switch1 & 0x08) ? ic29.pwm : 0.0f;
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saw = (ic29.patchRam.switch1 & 0x10) ? 1.0f : 0.0f;
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