mirror of
https://github.com/MoleskiCoder/EightBit.git
synced 2025-01-11 17:29:57 +00:00
Move the audio data (hopefully) correctly between the registers and the audio device.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
This commit is contained in:
Adrian.Conlon
parent
ca0b768ac5
commit
acf0c53e1a
@ -24,17 +24,6 @@ namespace EightBit {
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return (default() == 0) && (stepLength() == 0) && (direction() == Attenuate);
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}
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uint8_t toNR() const {
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return (default() << 4) | (direction() << 3) | stepLength();
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}
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void fromNR(uint8_t value) {
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setDefault((value >> 4) & Processor::Mask4); // Bits 4-7
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setDirection((value >> 3) & Processor::Mask1); // Bit 3
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setStepLength(value & Processor::Mask3); // Bits 0-2
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}
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int default() const { return m_defaultValue; }
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void setDefault(int value) { m_defaultValue = value; }
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@ -65,16 +54,6 @@ namespace EightBit {
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m_time = m_direction = m_shift = 0;
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}
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uint8_t toNR() const {
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return Processor::Bit7 | (time() << 4) | (direction() << 3) | shift();
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}
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void fromNR(uint8_t value) {
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setTime((value >> 4) & Processor::Mask3); // Bits 4-6
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setDirection((value >> 3) & Processor::Mask1); // Bit 3
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setShift(value & Processor::Mask3); // Bits 0-2
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}
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bool zeroed() const {
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return (time() == 0) && (shift() == 0) && (direction() == Addition);
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}
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@ -196,15 +175,6 @@ namespace EightBit {
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return WaveVoice::zeroed() && (waveFormDutyCycle() == 0) && (length() == 0);
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}
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uint8_t toNR() const {
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return Processor::Bit7 | (waveFormDutyCycle() << 6) | length();
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}
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void fromNR(uint8_t value) {
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setWaveFormDutyCycle((value >> 6) & Processor::Mask2); // Bits 6-7
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setLength(value & Processor::Mask6); // Bits 0-5
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}
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int waveFormDutyCycle() const { return m_waveFormDutyCycle; }
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void setWaveFormDutyCycle(int value) { m_waveFormDutyCycle = value; }
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@ -502,6 +472,286 @@ namespace EightBit {
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dumpChannels();
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}
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//
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bool voice1On() const { return true; }
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bool voice2On() const { return true; }
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bool voice3On() const { return true; }
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bool voice4On() const { return true; }
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//
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uint8_t toNRx1(int i) {
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auto voice = (RectangularVoice*)m_voices[i].get();
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return
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(voice->waveFormDutyCycle() << 6)
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| Processor::Mask6;
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}
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void fromNRx1(int i, uint8_t value) {
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auto voice = (RectangularVoice*)m_voices[i].get();
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voice->setWaveFormDutyCycle((value >> 6) & Processor::Mask2); // Bits 6-7
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voice->setLength(value & Processor::Mask6); // Bits 0-5
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}
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uint8_t toNRx2(int i) {
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auto voice = (EnvelopedRectangularVoice*)m_voices[i].get();
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auto& envelope = voice->envelope();
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return
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(envelope.default() << 4)
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| (envelope.direction() << 3)
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| envelope.stepLength();
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}
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void fromNRx2(int i, uint8_t value) {
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auto voice = (EnvelopedRectangularVoice*)m_voices[i].get();
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auto& envelope = voice->envelope();
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envelope.setDefault((value >> 4) & Processor::Mask4); // Bits 4-7
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envelope.setDirection((value >> 3) & Processor::Mask1); // Bit 3
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envelope.setStepLength(value & Processor::Mask3); // Bits 0-2
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}
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uint8_t toNRx3(int i) {
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return Processor::Mask8;
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}
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void fromNRx3(int i, uint8_t value) {
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auto voice = (WaveVoice*)m_voices[i].get();
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voice->setFrequencyLowOrder(value);
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}
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// Sound mode 1 register: Sweep
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uint8_t toNR10() {
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auto& sweep = voice1()->sweep();
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return
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Processor::Bit7
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| (sweep.time() << 4)
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| (sweep.direction() << 3)
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| sweep.shift();
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}
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void fromNR10(uint8_t value) {
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auto& sweep = voice1()->sweep();
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sweep.setTime((value >> 4) & Processor::Mask3); // Bits 4-6
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sweep.setDirection((value >> 3) & Processor::Mask1); // Bit 3
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sweep.setShift(value & Processor::Mask3); // Bits 0-2
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}
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// Sound mode 1 register: Sound length / Wave pattern duty
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uint8_t toNR11() { return toNRx1(0); }
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void fromNR11(uint8_t value) { fromNRx1(0, value); }
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// Sound mode 1 register: Envelope
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uint8_t toNR12() { return toNRx2(0); }
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void fromNR12(uint8_t value) { fromNRx2(0, value); }
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// Sound mode 1 register: Frequency lo
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uint8_t toNR13() { return toNRx3(0); }
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void fromNR13(uint8_t value) { fromNRx3(0, value); }
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// Sound mode 1 register: Frequency hi
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uint8_t toNR14() {
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return
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Processor::Bit7
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| (voice1()->type() << 6)
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| Processor::Mask6;
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}
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void fromNR14(uint8_t value) {
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voice1()->setInitialise((value >> 7) & Processor::Mask1); // Bits 7
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voice1()->setType((value >> 6) & Processor::Mask1); // Bits 6
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voice1()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
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}
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// Sound mode 2 register: Sound length / Wave pattern duty
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uint8_t toNR21() { return toNRx1(1); }
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void fromNR21(uint8_t value) { fromNRx1(1, value); }
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// Sound mode 2 register: Envelope
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uint8_t toNR22() { return toNRx2(1); }
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void fromNR22(uint8_t value) { fromNRx2(1, value); }
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// Sound mode 2 register: Frequency lo
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uint8_t toNR23() { return toNRx3(1); }
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void fromNR23(uint8_t value) { fromNRx3(1, value); }
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// Sound mode 2 register: Frequency hi
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uint8_t toNR24() {
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return
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Processor::Bit7
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| (voice2()->type() << 6)
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| Processor::Mask6;
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}
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void fromNR24(uint8_t value) {
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voice2()->setInitialise((value >> 7) & Processor::Mask1); // Bits 7
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voice2()->setType((value >> 6) & Processor::Mask1); // Bits 6
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voice2()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
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}
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// Sound mode 3 register: Sound on/off
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uint8_t toNR30() {
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return
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(voice3()->enabled() << 7)
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| Processor::Mask7;
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}
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void fromNR30(uint8_t value) {
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voice3()->setEnabled((value >> 7) & Processor::Mask1); // Bit 7
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}
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// Sound mode 3 register: Sound length
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uint8_t toNR31() {
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return voice3()->length();
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}
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void fromNR31(uint8_t value) {
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voice3()->setLength(value);
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}
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// Sound mode 3 register: Select output level
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uint8_t toNR32() {
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return
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Processor::Bit7
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| Processor::Bit6
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| voice3()->level() << 5
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| Processor::Mask5;
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}
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void fromNR32(uint8_t value) {
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voice3()->setLevel((value >> 5) & Processor::Mask2); // Bits 6-5
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}
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// Sound mode 3 register: Frequency lo
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uint8_t toNR33() { return toNRx3(2); }
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void fromNR33(uint8_t value) { fromNRx3(2, value); }
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// Sound mode 3 register: Frequency hi
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uint8_t toNR34() {
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return
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Processor::Bit7
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| (voice3()->type() << 6)
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| Processor::Mask6;
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}
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void fromNR34(uint8_t value) {
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voice3()->setInitialise((value >> 7) & Processor::Mask1); // Bits 7
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voice3()->setType((value >> 6) & Processor::Mask1); // Bits 6
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voice3()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
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}
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// Sound mode 4 register: Sound length
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uint8_t toNR41() {
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return
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Processor::Bit7
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| Processor::Bit6
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| voice4()->length();
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}
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void fromNR41(uint8_t value) {
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voice4()->setLength(value);
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}
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// Sound mode 4 register: Envelope
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uint8_t toNR42() { return toNRx2(3); }
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void fromNR42(uint8_t value) { fromNRx2(3, value); }
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// Sound mode 4 register: Polynomial counter
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uint8_t toNR43() {
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return
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(voice4()->polynomialShiftClockFrequency() << 4)
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| voice4()->polynomialCounterSteps() << 3
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| voice4()->frequencyDivisionRatio();
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}
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void fromNR43(uint8_t value) {
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voice4()->setPolynomialShiftClockFrequency((value >> 4) & Processor::Mask4); // Bits 4-7
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voice4()->setPolynomialCounterSteps((value >> 3) & Processor::Mask1); // Bit 3
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voice4()->setFrequencyDivisionRatio(value & Processor::Mask3); // Bits 0-2
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}
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// Sound mode 4 register: counter/consecutive; inital
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uint8_t toNR44() {
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return
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Processor::Bit7
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| (voice4()->type() << 6)
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| Processor::Mask6;
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}
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void fromNR44(uint8_t value) {
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voice4()->setInitialise((value >> 7) & Processor::Mask1); // Bit 7
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voice4()->setType((value >> 6) & Processor::Mask1); // Bit 6
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}
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// Channel control: on-off/volume
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uint8_t toNR50() {
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return
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(channel2().vin() << 7)
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| (channel2().outputLevel() << 4)
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| (channel2().vin() << 3)
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| channel2().outputLevel();
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}
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void fromNR50(uint8_t value) {
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channel2().setVin((value >> 7) & Processor::Mask1); // Bit 7
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channel2().setOutputLevel((value >> 4) & Processor::Mask3); // Bits 4-6
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channel1().setVin((value >> 3) & Processor::Mask1); // Bit 3
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channel1().setOutputLevel(value & Processor::Mask3); // Bits 0-2
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}
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// Selection of Sound output terminal
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uint8_t toNR51() {
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return
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(channel2().outputVoice4() << 7)
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| (channel2().outputVoice3() << 6)
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| (channel2().outputVoice2() << 5)
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| (channel2().outputVoice1() << 4)
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| (channel1().outputVoice4() << 3)
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| (channel1().outputVoice3() << 2)
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| (channel1().outputVoice2() << 1)
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| (int)channel1().outputVoice1();
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}
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void fromNR51(uint8_t value) {
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channel2().outputVoice4() = (value >> 7) & Processor::Mask1; // Bit 7
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channel2().outputVoice3() = (value >> 6) & Processor::Mask1; // Bit 6
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channel2().outputVoice2() = (value >> 5) & Processor::Mask1; // Bit 5
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channel2().outputVoice1() = (value >> 4) & Processor::Mask1; // Bit 4
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channel1().outputVoice4() = (value >> 3) & Processor::Mask1; // Bit 3
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channel1().outputVoice3() = (value >> 2) & Processor::Mask1; // Bit 2
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channel1().outputVoice2() = (value >> 1) & Processor::Mask1; // Bit 1
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channel1().outputVoice1() = value & Processor::Mask1; // Bit 0
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}
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// Sound on/off
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uint8_t toNR52() {
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return
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(enabled() << 7)
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| Processor::Bit6 | Processor::Bit5 | Processor::Bit4
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| (voice4On() << 3)
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| (voice3On() << 2)
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| (voice2On() << 1)
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| voice1On();
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}
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void fromNR52(uint8_t value) {
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setEnabled((value >> 7) & Processor::Mask1); // Bit 7
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}
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private:
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std::array<std::shared_ptr<AudioVoice>, 4> m_voices;
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std::array<OutputChannel, 2> m_channels;
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@ -113,51 +113,67 @@ void EightBit::GameBoy::Bus::Bus_ReadingByte(const uint16_t address) {
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// Sound Registers
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case NR10:
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poke(address, audio().voice1()->sweep().toNR());
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poke(address, audio().toNR10());
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break;
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case NR11:
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poke(address, audio().voice1()->toNR());
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poke(address, audio().toNR11());
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break;
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case NR12:
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poke(address, audio().voice1()->envelope().toNR());
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poke(address, audio().toNR12());
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break;
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case NR13:
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poke(address, audio().toNR13());
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break;
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case NR14:
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poke(address, audio().toNR14());
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break;
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case NR21:
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poke(address, audio().toNR21());
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break;
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case NR22:
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poke(address, audio().voice2()->envelope().toNR());
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poke(address, audio().toNR22());
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break;
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case NR23:
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poke(address, audio().toNR23());
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break;
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case NR24:
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poke(address, audio().toNR24());
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break;
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case NR30:
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mask(Processor::Bit7);
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poke(address, audio().toNR30());
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break;
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case NR31:
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poke(address, audio().toNR31());
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break;
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case NR32:
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mask(Processor::Bit6 | Processor::Bit5);
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poke(address, audio().toNR32());
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break;
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case NR33:
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poke(address, audio().toNR33());
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break;
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case NR34:
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poke(address, audio().toNR34());
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break;
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case NR41:
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mask(Processor::Mask6);
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poke(address, audio().toNR41());
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break;
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case NR42:
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poke(address, audio().voice4()->envelope().toNR());
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poke(address, audio().toNR42());
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break;
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case NR43:
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poke(address, audio().toNR43());
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break;
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case NR44:
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mask(Processor::Bit6 | Processor::Bit7);
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poke(address, audio().toNR44());
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break;
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case NR50:
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poke(address, audio().toNR50());
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break;
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case NR51:
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poke(address, audio().toNR51());
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break;
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case NR52:
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mask(Processor::Bit7 | Processor::Mask4);
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poke(address, audio().toNR52());
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break;
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// LCD Display Registers
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@ -259,126 +275,107 @@ void EightBit::GameBoy::Bus::Bus_WrittenByte(const uint16_t address) {
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break;
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case BASE + NR10: // Sound mode 1 register: Sweep
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audio().voice1()->sweep().fromNR(value);
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audio().fromNR10(value);
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audio().dumpVoice(0);
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break;
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case BASE + NR11: // Sound mode 1 register: Sound length / Wave pattern duty
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audio().voice1()->fromNR(value);
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audio().fromNR11(value);
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audio().dumpVoice(0);
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break;
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case BASE + NR12: // Sound mode 1 register: Envelope
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audio().voice1()->envelope().fromNR(value);
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audio().fromNR12(value);
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audio().dumpVoice(0);
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break;
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case BASE + NR13: // Sound mode 1 register: Frequency lo
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audio().voice1()->setFrequencyLowOrder(value);
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audio().fromNR13(value);
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audio().dumpVoice(0);
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break;
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case BASE + NR14: // Sound mode 1 register: Frequency hi
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audio().voice1()->setInitialise((value >> 7) & Processor::Mask1); // Bits 7
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audio().voice1()->setType((value >> 6) & Processor::Mask1); // Bits 6
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audio().voice1()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
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audio().fromNR14(value);
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audio().dumpVoice(0);
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break;
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case BASE + NR21: // Sound mode 2 register: Sound length / Wave pattern duty
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audio().voice2()->fromNR(value);
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audio().fromNR21(value);
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audio().dumpVoice(1);
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break;
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case BASE + NR22: // Sound mode 2 register: Envelope
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audio().voice2()->envelope().fromNR(value);
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audio().fromNR22(value);
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audio().dumpVoice(1);
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break;
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case BASE + NR23: // Sound mode 2 register: Frequency lo
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audio().voice2()->setFrequencyLowOrder(value);
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audio().fromNR23(value);
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audio().dumpVoice(1);
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break;
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case BASE + NR24: // Sound mode 2 register: Frequency hi
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audio().voice2()->setInitialise((value >> 7) & Processor::Mask1); // Bit 7
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audio().voice2()->setType((value >> 6) & Processor::Mask1); // Bit 6
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audio().voice2()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
|
||||
audio().fromNR24(value);
|
||||
audio().dumpVoice(1);
|
||||
break;
|
||||
|
||||
case BASE + NR30: // Sound mode 3 register: Sound on/off
|
||||
audio().voice3()->setEnabled((value >> 7) & Processor::Mask1); // Bit 7
|
||||
audio().fromNR30(value);
|
||||
audio().dumpVoice(2);
|
||||
break;
|
||||
|
||||
case BASE + NR31: // Sound mode 3 register: Sound length
|
||||
audio().voice3()->setLength(value);
|
||||
audio().fromNR31(value);
|
||||
audio().dumpVoice(2);
|
||||
break;
|
||||
|
||||
case BASE + NR32: // Sound mode 3 register: Select output level
|
||||
audio().voice3()->setLevel(value);
|
||||
audio().fromNR32(value);
|
||||
audio().dumpVoice(2);
|
||||
break;
|
||||
|
||||
case BASE + NR33: // Sound mode 3 register: Frequency lo
|
||||
audio().voice3()->setFrequencyLowOrder(value);
|
||||
audio().fromNR33(value);
|
||||
audio().dumpVoice(2);
|
||||
break;
|
||||
|
||||
case BASE + NR34: // Sound mode 3 register: Frequency hi
|
||||
audio().voice3()->setInitialise((value >> 7) & Processor::Mask1); // Bits 7
|
||||
audio().voice3()->setType((value >> 6) & Processor::Mask1); // Bits 6
|
||||
audio().voice3()->setFrequencyHighOrder(value & Processor::Mask3); // Bits 0-2
|
||||
audio().fromNR34(value);
|
||||
audio().dumpVoice(2);
|
||||
break;
|
||||
|
||||
case BASE + NR41: // Sound mode 4 register: Sound length
|
||||
audio().voice4()->setLength(value & Processor::Mask6); // Bits 0-5
|
||||
audio().fromNR41(value);
|
||||
audio().dumpVoice(3);
|
||||
break;
|
||||
|
||||
case BASE + NR42: // Sound mode 4 register: Envelope
|
||||
audio().voice4()->envelope().fromNR(value);
|
||||
audio().fromNR42(value);
|
||||
audio().dumpVoice(3);
|
||||
break;
|
||||
|
||||
case BASE + NR43: // Sound mode 4 register: Polynomial counter
|
||||
audio().voice4()->setPolynomialShiftClockFrequency((value >> 4) & Processor::Mask4); // Bits 4-7
|
||||
audio().voice4()->setPolynomialCounterSteps((value >> 3) & Processor::Mask1); // Bit 3
|
||||
audio().voice4()->setFrequencyDivisionRatio(value & Processor::Mask3); // Bits 0-2
|
||||
audio().fromNR43(value);
|
||||
audio().dumpVoice(3);
|
||||
break;
|
||||
|
||||
case BASE + NR44: // Sound mode 4 register: counter/consecutive; inital
|
||||
audio().voice4()->setInitialise((value >> 7) & Processor::Mask1); // Bit 7
|
||||
audio().voice4()->setType((value >> 6) & Processor::Mask1); // Bit 6
|
||||
audio().fromNR44(value);
|
||||
audio().dumpVoice(3);
|
||||
break;
|
||||
|
||||
case BASE + NR50: // Channel control: on-off/volume
|
||||
audio().channel2().setVin((value >> 7) & Processor::Mask1); // Bit 7
|
||||
audio().channel2().setOutputLevel((value >> 4) & Processor::Mask3); // Bits 4-6
|
||||
audio().channel1().setVin((value >> 3) & Processor::Mask1); // Bit 3
|
||||
audio().channel1().setOutputLevel(value & Processor::Mask3); // Bits 0-2
|
||||
audio().fromNR50(value);
|
||||
audio().dumpChannels();
|
||||
break;
|
||||
|
||||
case BASE + NR51:
|
||||
audio().channel2().outputVoice4() = (value >> 7) & Processor::Mask1; // Bit 7
|
||||
audio().channel2().outputVoice3() = (value >> 6) & Processor::Mask1; // Bit 6
|
||||
audio().channel2().outputVoice2() = (value >> 5) & Processor::Mask1; // Bit 5
|
||||
audio().channel2().outputVoice1() = (value >> 4) & Processor::Mask1; // Bit 4
|
||||
audio().channel1().outputVoice4() = (value >> 3) & Processor::Mask1; // Bit 3
|
||||
audio().channel1().outputVoice3() = (value >> 2) & Processor::Mask1; // Bit 2
|
||||
audio().channel1().outputVoice2() = (value >> 1) & Processor::Mask1; // Bit 1
|
||||
audio().channel1().outputVoice1() = value & Processor::Mask1; // Bit 0
|
||||
audio().fromNR51(value);
|
||||
audio().dumpChannels();
|
||||
break;
|
||||
|
||||
case BASE + NR52: // Sound on/off
|
||||
audio().setEnabled((value >> 7) & Processor::Mask1); // Bit 7
|
||||
audio().fromNR52(value);
|
||||
break;
|
||||
|
||||
case BASE + LCDC:
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user