mirror of
https://github.com/ACreTeam/ac-decomp
synced 2026-05-23 06:34:18 -04:00
Cuyler36
480 lines
11 KiB
C
480 lines
11 KiB
C
#include "jaudio_NES/dspinterface.h"
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#include "dolphin/os.h"
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#include "jaudio_NES/sample.h"
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#include "jaudio_NES/dspproc.h"
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#include "jaudio_NES/dspdriver.h"
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#include "jaudio_NES/driverinterface.h"
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#include "jaudio_NES/fxinterface.h"
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#include "limits.h"
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#define CH_BUF_LENGTH (64)
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#define FX_BUF_LENGTH (4)
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static DSPchannel_ CH_BUF[CH_BUF_LENGTH];
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static FXBuffer FX_BUF[FX_BUF_LENGTH];
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/*
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* --INFO--
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* Address: 8000B560
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* Size: 000018
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*/
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DSPchannel_* GetDspHandle(u8 idx)
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{
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return &CH_BUF[idx];
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 000034
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*/
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DSPchannel_* GetDspHandleNc(u8)
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: 8000B580
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* Size: 000014
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*/
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FXBuffer* GetFxHandle(u8 idx)
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{
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return &FX_BUF[idx];
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 000030
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*/
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FXBuffer* GetFxHandleNc(u8 idx)
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: 8000B5A0
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* Size: 00002C
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*/
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void DSP_SetPitch(u8 idx, u16 pitch)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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if (pitch >= SHRT_MAX)
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pitch = SHRT_MAX;
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buf->resamplingRatio = pitch;
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 000050
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*/
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void DSP_SetPitch_Indirect(u8 idx, f32, f32)
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: 8000B5E0
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* Size: 000020
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*/
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void DSP_SetMixerInitDelayMax(u8 idx, u8 initDelayMax)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->samplesToKeepCount = initDelayMax;
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}
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/*
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* --INFO--
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* Address: 8000B600
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* Size: 00004C
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*/
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void DSP_SetMixerInitVolume(u8 idx, u8 mixer, s16 volume, u8 level)
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{
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u8* REF_idx;
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u8* REF_mixer;
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DSPchannel_* buf;
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DSPMixerChannel* mixChan;
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REF_idx = &idx;
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REF_mixer = &mixer;
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buf = &CH_BUF[idx];
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mixChan = &buf->mixChannels[mixer];
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mixChan->currentVolume = volume;
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mixChan->targetVolume = volume;
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mixChan->level = (level << 8) | (level);
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}
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/*
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* --INFO--
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* Address: 8000B660
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* Size: 000044
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*/
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void DSP_SetMixerVolume(u8 idx, u8 mixer, s16 volume, u8 param_4)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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DSPMixerChannel* mixChan = &buf->mixChannels[mixer];
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if (buf->endRequested)
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return;
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mixChan->targetVolume = volume;
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mixChan->level = (param_4 << 8) | (mixChan->level & 0xff);
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}
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/*
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* --INFO--
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* Address: 8000B6C0
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* Size: 00002C
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*/
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void DSP_SetOscInfo(u8 idx, u32 samplesSourceType)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->baseAddress = 0;
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buf->afcRemainingDecodedSamples = 16;
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buf->samplesSourceType = samplesSourceType;
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}
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/*
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* --INFO--
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* Address: 8000B700
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* Size: 000020
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*/
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void DSP_SetPauseFlag(u8 idx, u8 pauseFlag)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->useConstantSample = pauseFlag;
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}
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/*
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* --INFO--
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* Address: 8000B720
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* Size: 0000B0
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*/
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void DSP_SetWaveInfo(u8 idx, Wave_* wave, u32 baseAddress)
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{
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static u8 COMP_BLOCKSAMPLES[] = {
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0x10, 0x10, 0x01, 0x01, 0x01, 0x10, 0x10, 0x01,
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};
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static u8 COMP_BLOCKBYTES[] = {
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0x09, 0x05, 0x08, 0x10, 0x01, 0x01, 0x01, 0x01,
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};
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DSPchannel_* buf = &CH_BUF[idx];
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buf->baseAddress = baseAddress;
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buf->afcRemainingDecodedSamples = COMP_BLOCKSAMPLES[wave->compBlockIdx];
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buf->samplesSourceType = COMP_BLOCKBYTES[wave->compBlockIdx];
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if (buf->samplesSourceType < 4)
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return;
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buf->_11C = wave->_1C;
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buf->isLooping = wave->isLooping;
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if (buf->isLooping) {
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buf->loopAddress = wave->loopAddress;
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buf->loopStartPosition = wave->loopStartPosition;
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buf->loopYN1 = wave->loopYN1;
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buf->loopYN2 = wave->loopYN2;
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} else {
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buf->loopStartPosition = buf->_11C;
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}
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for (int i = 0; i < 16; ++i) {
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buf->afcRemainingSamples[i] = 0;
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}
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}
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/*
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* --INFO--
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* Address: 8000B7E0
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* Size: 000038
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*/
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void DSP_SetBusConnect(u8 idx, u8 mixer, u8 busConnect)
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{
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static u16 connect_table[] = {
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0x0000, 0x0D00, 0x0D60, 0x0DC0, 0x0E20, 0x0E80, 0x0EE0, 0x0CA0, 0x0F40, 0x0FA0, 0x0B00, 0x09A0,
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};
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DSPchannel_* buf = &CH_BUF[idx];
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DSPMixerChannel* mixChan = &buf->mixChannels[mixer];
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mixChan->id = connect_table[busConnect];
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}
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/*
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* --INFO--
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* Address: 8000B820
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* Size: 000020
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*/
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void DSP_PlayStop(u8 idx)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->enabled = DSP_FALSE;
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}
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/*
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* --INFO--
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* Address: 8000B840
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* Size: 000060
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*/
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void DSP_AllocInit(u8 idx)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->useConstantSample = DSP_FALSE;
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buf->done = DSP_FALSE;
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buf->endRequested = DSP_FALSE;
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buf->enabled = DSP_FALSE;
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DSP_InitFilter(idx);
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DSP_FlushChannel(idx);
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}
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/*
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* --INFO--
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* Address: 8000B8A0
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* Size: 00007C
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*/
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void DSP_PlayStart(u8 idx)
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{
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u32 i;
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DSPchannel_* buf = &CH_BUF[idx];
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buf->_10C = 0;
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buf->currentPosition = 0;
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buf->currentPosFrac = 0;
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buf->resetVpb = DSP_TRUE;
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buf->constantSample = 0;
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for (i = 0; i < 4; ++i) {
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buf->resampleBuffer[i] = 0;
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buf->biquadHistory[i] = 0;
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}
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for (i = 0; i < 20; ++i) {
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buf->variableFirHistory[i] = 0;
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}
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buf->enabled = DSP_TRUE;
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}
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/*
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* --INFO--
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* Address: 8000B920
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* Size: 00001C
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*/
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void DSP_SetDistFilter(u8 idx, s16 distFilter)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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buf->lowPassCoeff = distFilter;
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}
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/*
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* --INFO--
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* Address: 8000B940
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* Size: 000024
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*/
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void DSP_SetFilterTable(s16* dst, s16* src, u32 len)
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{
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for (int i = 0; i < len; ++i) {
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*dst++ = *src++;
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}
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}
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/*
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* --INFO--
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* Address: 8000B980
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* Size: 00003C
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*/
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void DSP_SetIIRFilterParam(u8 idx, s16* param_2)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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DSP_SetFilterTable(buf->biquadFilterCoeffs, param_2, 4);
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}
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/*
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* --INFO--
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* Address: 8000B9C0
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* Size: 00003C
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*/
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void DSP_SetFIR8FilterParam(u8 idx, s16* param_2)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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DSP_SetFilterTable(buf->variableFirCoeffs, param_2, 8);
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}
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/*
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* --INFO--
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* Address: 8000BA00
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* Size: 000054
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*/
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void DSP_SetFilterMode(u8 idx, u16 filterMode)
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{
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DSPchannel_* buf = &CH_BUF[idx];
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u8 enableBiquadFilter = filterMode & 0b100000;
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u8 variableFirFilterSize = filterMode & 0b011111;
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if (enableBiquadFilter) {
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if (variableFirFilterSize > 20) {
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variableFirFilterSize = 20;
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}
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} else {
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if (variableFirFilterSize > 24) {
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variableFirFilterSize = 24;
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}
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}
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buf->filterMode = enableBiquadFilter + variableFirFilterSize;
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}
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/*
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* --INFO--
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* Address: 8000BA60
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* Size: 000070
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*/
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void DSP_InitFilter(u8 idx)
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{
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int i;
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DSPchannel_* buf = &CH_BUF[idx];
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for (i = 0; i < 8; ++i) {
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buf->variableFirCoeffs[i] = 0;
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}
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buf->variableFirCoeffs[0] = SHRT_MAX;
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for (i = 0; i < 4; ++i) {
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buf->biquadFilterCoeffs[i] = 0;
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}
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buf->biquadFilterCoeffs[0] = SHRT_MAX;
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buf->lowPassCoeff = 0;
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}
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/*
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* --INFO--
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* Address: 8000BAE0
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* Size: 00003C
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*/
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void DSP_FlushBuffer()
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{
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DCFlushRange(CH_BUF, sizeof(CH_BUF));
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DCFlushRange(FX_BUF, sizeof(FX_BUF));
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}
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/*
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* --INFO--
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* Address: 8000BB20
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* Size: 000038
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*/
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void DSP_FlushChannel(u8 idx)
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{
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DCFlushRangeNoSync(&CH_BUF[idx], sizeof(DSPchannel_));
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 000038
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*/
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void DSP_CacheChannel(u8 idx)
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 00002C
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*/
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void DSP_FlushChannelAll()
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: ........
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* Size: 00002C
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*/
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void DSP_CacheChannelAll()
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{
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// UNUSED FUNCTION
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}
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/*
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* --INFO--
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* Address: 8000BB60
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* Size: 00002C
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*/
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void DSP_InvalChannelAll()
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{
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DCInvalidateRange(CH_BUF, sizeof(CH_BUF));
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}
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/*
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* --INFO--
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* Address: 8000BBA0
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* Size: 000050
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*/
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void DSP_ClearBuffer()
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{
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for (int i = 0; i < CH_BUF_LENGTH; ++i) {
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Jac_bzero(&CH_BUF[i], sizeof(DSPchannel_));
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}
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}
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static u32 DSPADPCM_FILTER[] ATTRIBUTE_ALIGN(32) = {
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0x00000000, 0x08000000, 0x00000800, 0x04000400, 0x1000f800, 0x0e00fa00, 0x0c00fc00, 0x1200f600,
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0x1068f738, 0x12c0f704, 0x1400f400, 0x0800f800, 0x0400fc00, 0xfc000400, 0xfc000000, 0xf8000000,
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};
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static u32 DSPRES_FILTER[] ATTRIBUTE_ALIGN(32) = {
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0x0c3966ad, 0x0d46ffdf, 0x0b396696, 0x0e5fffd8, 0x0a446669, 0x0f83ffd0, 0x095a6626, 0x10b4ffc8, 0x087d65cd, 0x11f0ffbf, 0x07ab655e,
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0x1338ffb6, 0x06e464d9, 0x148cffac, 0x0628643f, 0x15ebffa1, 0x0577638f, 0x1756ff96, 0x04d162cb, 0x18cbff8a, 0x043561f3, 0x1a4cff7e,
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0x03a46106, 0x1bd7ff71, 0x031c6007, 0x1d6cff64, 0x029f5ef5, 0x1f0bff56, 0x022a5dd0, 0x20b3ff48, 0x01be5c9a, 0x2264ff3a, 0x015b5b53,
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0x241eff2c, 0x010159fc, 0x25e0ff1e, 0x00ae5896, 0x27a9ff10, 0x00635720, 0x297aff02, 0x001f559d, 0x2b50fef4, 0xffe2540d, 0x2d2cfee8,
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0xffac5270, 0x2f0dfedb, 0xff7c50c7, 0x30f3fed0, 0xff534f14, 0x32dcfec6, 0xff2e4d57, 0x34c8febd, 0xff0f4b91, 0x36b6feb6, 0xfef549c2,
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0x38a5feb0, 0xfedf47ed, 0x3a95feac, 0xfece4611, 0x3c85feab, 0xfec04430, 0x3e74feac, 0xfeb6424a, 0x4060feaf, 0xfeaf4060, 0x424afeb6,
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0xfeac3e74, 0x4430fec0, 0xfeab3c85, 0x4611fece, 0xfeac3a95, 0x47edfedf, 0xfeb038a5, 0x49c2fef5, 0xfeb636b6, 0x4b91ff0f, 0xfebd34c8,
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0x4d57ff2e, 0xfec632dc, 0x4f14ff53, 0xfed030f3, 0x50c7ff7c, 0xfedb2f0d, 0x5270ffac, 0xfee82d2c, 0x540dffe2, 0xfef42b50, 0x559d001f,
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0xff02297a, 0x57200063, 0xff1027a9, 0x589600ae, 0xff1e25e0, 0x59fc0101, 0xff2c241e, 0x5b53015b, 0xff3a2264, 0x5c9a01be, 0xff4820b3,
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0x5dd0022a, 0xff561f0b, 0x5ef5029f, 0xff641d6c, 0x6007031c, 0xff711bd7, 0x610603a4, 0xff7e1a4c, 0x61f30435, 0xff8a18cb, 0x62cb04d1,
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0xff961756, 0x638f0577, 0xffa115eb, 0x643f0628, 0xffac148c, 0x64d906e4, 0xffb61338, 0x655e07ab, 0xffbf11f0, 0x65cd087d, 0xffc810b4,
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0x6626095a, 0xffd00f83, 0x66690a44, 0xffd80e5f, 0x66960b39, 0xffdf0d46, 0x66ad0c39, 0x00000c8b, 0x18f82527, 0x30fb3c56, 0x471c5133,
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0x5a8262f1, 0x6a6d70e2, 0x76417a7c, 0x7d897f61, 0x7fff7f61, 0x7d897a7c, 0x764170e2, 0x6a6d62f1, 0x5a825133, 0x471c3c56, 0x30fb2527,
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0x18f80c8b, 0x0000f375, 0xe708dad9, 0xcf05c3aa, 0xb8e4aecd, 0xa57e9d0f, 0x95938f1e, 0x89bf8584, 0x8277809f, 0x8001809f, 0x82778584,
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0x89bf8f1e, 0x95939d0f, 0xa57eaecd, 0xb8e4c3aa, 0xcf05dad9, 0xe708f375, 0x000007ff, 0x0fff17ff, 0x1fff27ff, 0x2fff37ff, 0x3fff47ff,
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0x4fff57ff, 0x5fff67ff, 0x6fff77ff, 0x7fff7800, 0x70006800, 0x60005800, 0x50004800, 0x40003800, 0x30002800, 0x20001800, 0x10000800,
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0x0000f801, 0xf001e801, 0xe001d801, 0xd001c801, 0xc001b801, 0xb001a801, 0xa0019801, 0x90018801, 0x80018800, 0x90009800, 0xa000a800,
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0xb000b800, 0xc000c800, 0xd000d800, 0xe000e800, 0xf000f800, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x1fff3fff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x1fffc001,
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};
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/*
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* --INFO--
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* Address: 8000BC00
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* Size: 000044
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*/
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void DSP_SetupBuffer()
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{
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DsetupTable((u32)CH_BUF_LENGTH, (u32)CH_BUF, (u32)DSPRES_FILTER, (u32)DSPADPCM_FILTER, (u32)FX_BUF);
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}
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/*
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* --INFO--
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* Address: 8000BC60
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* Size: 000058
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*/
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void DSP_InitBuffer()
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{
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for (int i = 0; i < 4; ++i)
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DFX_SetFxLine(i, NULL, NULL);
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DSP_ClearBuffer();
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DSP_SetupBuffer();
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InitDSPchannel();
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InitGlobalChannel();
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DSP_FlushBuffer();
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}
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