158 lines
6.0 KiB
C++
158 lines
6.0 KiB
C++
#ifndef __JABYENGINE_SPU_IO_HPP__
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#define __JABYENGINE_SPU_IO_HPP__
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#include "ioport.hpp"
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namespace JabyEngine {
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namespace SPU_IO {
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enum struct Mode {
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Linear = 0,
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Exponential = 1,
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};
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enum struct Direction {
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Increase = 0,
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Decrease = 1,
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};
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enum struct Phase {
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Posititve = 0,
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Negative = 1,
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};
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//0..0x1F = Fast..Slow
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typedef uint8_t Shift;
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//0..3 = +7, +6, +5, +4 or -6, -7, -6, -5
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typedef uint8_t Step;
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typedef int16_t SimpleVolume;
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typedef volatile int16_t SimpleVolume_v;
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typedef volatile uint16_t Adr_v;
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typedef volatile uint16_t DataTransferControl_v;
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__declare_io_type(SampleRate, uint16_t,
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static constexpr Self from_HZ(double freq) {
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//4096 == 44100Hz
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constexpr double Base = (4096.0 / 44100.0);
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return {static_cast<uint16_t>((freq*Base))};
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}
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);
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__declare_io_type(SweepVolume, int16_t,
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// For Volume Mode
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static constexpr auto SweepEnable = Bit(15);
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static constexpr auto VolumeEnable = !SweepEnable;
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static constexpr auto Volume = BitRange::from_to(0, 14);
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// For Sweep Mode
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static constexpr auto SweepMode = Bit(14);
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static constexpr auto SweepDirection = Bit(13);
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static constexpr auto SweepPhase = Bit(12);
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static constexpr auto SweepShift = BitRange::from_to(2, 6);
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static constexpr auto SweepStep = BitRange::from_to(0, 1);
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);
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__declare_io_type(SR, uint16_t,
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static constexpr auto SustainMode = Bit(31 - 16);
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static constexpr auto SustainDirection = Bit(30 - 16);
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static constexpr auto SustainShift = BitRange::from_to((24 - 16), (28 - 16));
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static constexpr auto SustainStep = BitRange::from_to((22 - 16), (23 - 16));
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static constexpr auto ReleaseMode = Bit(21 - 16);
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static constexpr auto ReleaseShift = BitRange::from_to((16 - 16), (20 - 16));
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);
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__declare_io_type(AD, uint16_t,
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static constexpr auto AttackMode = Bit(15);
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static constexpr auto AttackShift = BitRange::from_to(10, 14);
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static constexpr auto AttackStep = BitRange::from_to(8, 9);
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static constexpr auto DecayShift = BitRange::from_to(4, 7);
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static constexpr auto SustainLevel = BitRange::from_to(0, 3);
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);
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struct __no_align Voice_v {
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SweepVolume_v volumeLeft; //Offset: 0x0
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SweepVolume_v volumeRight; //Offset: 0x2
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SampleRate_v sampleRate; //Offset: 0x4;
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Adr_v adr; //Offset: 0x6
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AD_v ad; //Offset: 0x8
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SR_v sr; //Offset: 0xA
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SimpleVolume_v currentVolume; //Offset: 0xC
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Adr_v repeatAdr; //Offset: 0xE
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};
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__declare_io_type(ControlRegister, uint16_t,
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enum RAMTransferMode {
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Stop = 0,
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ManualWrite = 1,
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DMAWrite = 2,
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DMARead = 3
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};
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static constexpr auto Enable = Bit(15);
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static constexpr auto Unmute = Bit(14);
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static constexpr auto NoiseFrequcenyShift = BitRange::from_to(10, 13);
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static constexpr auto NoiseFrequcenyStep = BitRange::from_to(8, 9);
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static constexpr auto ReverbMasterEnable = Bit(7);
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static constexpr auto IRQ9Enable = Bit(6);
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static constexpr auto TransferMode = BitRange::from_to(4, 5);
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static constexpr auto ExternalAudioReverb = Bit(3);
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static constexpr auto CDAudioReverb = Bit(2);
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static constexpr auto ExternalAudioEnable = Bit(1);
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static constexpr auto CDAudioEnable = Bit(0);
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);
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__declare_io_type(PMON, uint16_t,
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static constexpr auto EnableBits = BitRange::from_to(1, 23);
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);
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__declare_io_type(NON, uint16_t,
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static constexpr auto NoiseBits = BitRange::from_to(0, 23);
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);
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__declare_io_type(EON, uint16_t,
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static constexpr auto EchoBits = BitRange::from_to(0, 23);
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);
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static constexpr size_t VoiceCount = 24;
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struct Key {
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__cast_io_adr_with_type(inline, ubus32_t, On, 0x1F801D88);
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__cast_io_adr_with_type(inline, ubus32_t, Off, 0x1F801D8C);
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__cast_io_adr_with_type(inline, ubus32_t, Status, 0x1F801D9C);
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};
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struct MainVolume {
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__declare_new_named_io_port(SweepVolume, Left, 0x1F801D80);
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__declare_new_named_io_port(SweepVolume, Right, 0x1F801D82);
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};
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struct CDVolume {
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__declare_new_named_io_port(SimpleVolume, Left, 0x1F801DB0);
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__declare_new_named_io_port(SimpleVolume, Right, 0x1F801DB2);
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};
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struct ExternalAudioInputVolume {
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__declare_new_named_io_port(SimpleVolume, Left, 0x1F801DB4);
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__declare_new_named_io_port(SimpleVolume, Right, 0x1F801DB6);
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};
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struct Reverb {
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struct Volume {
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__declare_new_named_io_port(SimpleVolume, Left, 0x1F801D84);
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__declare_new_named_io_port(SimpleVolume, Right, 0x1F801D86);
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};
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__declare_new_named_io_port(Adr, WorkAreaAdr, 0x1F801DA2);
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};
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__declare_new_io_port(ControlRegister, 0x1F801DAA);
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__declare_new_io_port(DataTransferControl, 0x1F801DAC);
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__declare_new_io_port(PMON, 0x1F801D90);
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__declare_new_io_port(NON, 0x1F801D94);
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__declare_new_io_port(EON, 0x1F801D98);
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__declare_new_io_port_array(Voice, 0x1F801C00, VoiceCount);
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}
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}
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#endif //!__JABYENGINE_SPU_IO_HPP__
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