mirror of
https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-24 19:32:50 +01:00
729 lines
14 KiB
C
729 lines
14 KiB
C
#include "LIBSPU.H"
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#include "LIBETC.H"
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#include <stdio.h>
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#include "EMULATOR.H"
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#include "LIBAPI.H"
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#include "LIBMATH.H"
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#include <string.h>
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#define SPU_CENTERNOTE (-32768 / 2)
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short _spu_voice_centerNote[24] =
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{
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SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE,
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SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE,
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SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE
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};
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SpuCommonAttr dword_424;//Might be wrong struct, need to check
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int _spu_isCalled = 0;
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int _spu_FiDMA = 0;///@TODO decl as extern find initial value
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int _spu_EVdma = 0;
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int _spu_rev_flag = 0;
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int _spu_rev_reserve_wa = 0;
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int _spu_rev_offsetaddr = 0;
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int _spu_rev_startaddr = 0;
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int _spu_AllocBlockNum = 0;
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int _spu_AllocLastNum = 0;
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int _spu_memList = 0;
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int _spu_trans_mode = 0;
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int _spu_transMode = 0;
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int _spu_keystat = 0;
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int _spu_RQmask = 0;
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int _spu_RQvoice = 0;
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int _spu_env = 0;
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char spu[440];//0x1F801C00 is base address
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short* _spu_RXX = (short*)&spu[0];
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int _spu_mem_mode_plus = 3;
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void* _spu_transferCallback = NULL;///@TODO initial value check
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int _spu_inTransfer = 0;///@TODO initial value check
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unsigned short _spu_tsa = 0;
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void _spu_t(int mode, int flag)
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{
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UNIMPLEMENTED();
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}
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void _spu_Fw(unsigned char* addr, unsigned long size)
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{
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//v0 = _spu_transMode
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//s1 = addr
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//s0 = size
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if (_spu_trans_mode == 0)
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{
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//v0 = _spu_tsa
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//a1 = _spu_mem_mode_plus
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//a0 = 2
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_spu_t(2, _spu_tsa << _spu_mem_mode_plus);
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///@TODO check if a1 is modified in spu_t
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}
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//loc_A84
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#if 0
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jal _spu_t
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sllv $a1, $v0, $a1
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jal _spu_t
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li $a0, 1
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li $a0, 3
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move $a1, $s1
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jal _spu_t
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move $a2, $s0
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j loc_A94
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move $v0, $s0
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loc_A84:
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move $a0, $s1
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jal sub_480
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move $a1, $s0
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move $v0, $s0
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loc_A94:
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lw $ra, 0x20+var_8($sp)
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lw $s1, 0x20+var_C($sp)
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lw $s0, 0x20+var_10($sp)
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jr $ra
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addiu $sp, 0x20
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# End of function _spu_Fw
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#endif
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}
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//--------------------------------------------------------------------------------
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <AL/alext.h>
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const char* getALCErrorString(int err)
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{
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switch (err)
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{
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case ALC_NO_ERROR:
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return "AL_NO_ERROR";
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case ALC_INVALID_DEVICE:
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return "ALC_INVALID_DEVICE";
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case ALC_INVALID_CONTEXT:
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return "ALC_INVALID_CONTEXT";
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case ALC_INVALID_ENUM:
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return "ALC_INVALID_ENUM";
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case ALC_INVALID_VALUE:
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return "ALC_INVALID_VALUE";
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case ALC_OUT_OF_MEMORY:
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return "ALC_OUT_OF_MEMORY";
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default:
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return "AL_UNKNOWN";
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}
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}
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const char* getALErrorString(int err)
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{
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switch (err)
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{
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case AL_NO_ERROR:
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return "AL_NO_ERROR";
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case AL_INVALID_NAME:
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return "AL_INVALID_NAME";
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case AL_INVALID_ENUM:
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return "AL_INVALID_ENUM";
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case AL_INVALID_VALUE:
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return "AL_INVALID_VALUE";
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case AL_INVALID_OPERATION:
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return "AL_INVALID_OPERATION";
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case AL_OUT_OF_MEMORY:
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return "AL_OUT_OF_MEMORY";
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default:
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return "AL_UNKNOWN";
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}
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}
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#define SPU_MEMSIZE (512 * 1024) // FIXME: isn't it very little?
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#define SPU_VOICES 24
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struct SPUMemory
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{
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unsigned char samplemem[SPU_MEMSIZE];
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unsigned char* writeptr;
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};
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static SPUMemory s_SpuMemory;
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struct SPUVoice
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{
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SpuVoiceAttr attr; // .voice is Id of this channel
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ALuint alBuffer;
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ALuint alSource;
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};
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SPUVoice s_SpuVoices[SPU_VOICES];
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ALCdevice* s_ALCdevice = NULL;
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ALCcontext* s_ALCcontext = NULL;
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bool Emulator_InitSound()
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{
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if (s_ALCdevice)
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return true;
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printf(" \n--------- InitOpenAL --------- \n");
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// Init openAL
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// check devices list
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char* devices = (char*)alcGetString(nullptr, ALC_DEVICE_SPECIFIER);
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// go through device list (each device terminated with a single NULL, list terminated with double NULL)
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while ((*devices) != '\0')
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{
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printf("found sound device: %s\n", devices);
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devices += strlen(devices) + 1;
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}
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s_ALCdevice = alcOpenDevice(NULL);
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int alErr = AL_NO_ERROR;
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if (!s_ALCdevice)
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{
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alErr = alcGetError(nullptr);
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printf("alcOpenDevice: NULL DEVICE error: %s\n", getALCErrorString(alErr));
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return false;
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}
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// out_channel_formats snd_outputchannels
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int al_context_params[] =
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{
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ALC_FREQUENCY, 44100,
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0
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};
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s_ALCcontext = alcCreateContext(s_ALCdevice, al_context_params);
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alErr = alcGetError(s_ALCdevice);
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if (alErr != AL_NO_ERROR)
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{
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printf("alcCreateContext error: %s\n", getALCErrorString(alErr));
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return false;
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}
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alcMakeContextCurrent(s_ALCcontext);
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alErr = alcGetError(s_ALCdevice);
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if (alErr != AL_NO_ERROR)
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{
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printf("alcMakeContextCurrent error: %s\n", getALCErrorString(alErr));
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return false;
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}
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// Setup defaults
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alListenerf(AL_GAIN, 1.0f);
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//alDistanceModel(AL_NONE);
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// create channels
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for (int i = 0; i < SPU_VOICES; i++)
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{
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SPUVoice& voice = s_SpuVoices[i];
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memset(&voice, 0, sizeof(SPUVoice));
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alGenSources(1, &voice.alSource);
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alGenBuffers(1, &voice.alBuffer);
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alSourcei(voice.alSource, AL_SOURCE_RELATIVE, AL_TRUE);
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}
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return true;
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}
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//--------------------------------------------------------------------------------
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#include <math.h>
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// PSX ADPCM coefficients
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const double K0[5] = { 0, 0.9375, 1.796875, 1.53125, 1.90625 };
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const double K1[5] = { 0, 0, -0.8125, -0.859375, -0.9375 };
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// PSX ADPCM decoding routine - decodes a single sample
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short vagToPcm(unsigned char soundParameter, int soundData, double* vagPrev1, double* vagPrev2)
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{
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int resultInt = 0;
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double dTmp1 = 0.0;
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double dTmp2 = 0.0;
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double dTmp3 = 0.0;
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if (soundData > 7)
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soundData -= 16;
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dTmp1 = (double)soundData * pow(2, (double)(12 - (soundParameter & 0x0F)));
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dTmp2 = (*vagPrev1) * K0[(soundParameter >> 4) & 0x0F];
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dTmp3 = (*vagPrev2) * K1[(soundParameter >> 4) & 0x0F];
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(*vagPrev2) = (*vagPrev1);
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(*vagPrev1) = dTmp1 + dTmp2 + dTmp3;
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resultInt = (int)round((*vagPrev1));
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if (resultInt > 32767)
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resultInt = 32767;
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if (resultInt < -32768)
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resultInt = -32768;
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return (short)resultInt;
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}
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// Main decoding routine - Takes PSX ADPCM formatted audio data and converts it to PCM. It also extracts the looping information if used.
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int decodeSound(unsigned char* iData, short* oData, int soundSize, int* loopStart, int* loopLength, bool breakOnEnd = false)
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{
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unsigned char sp = 0;
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int sd = 0;
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double vagPrev1 = 0.0;
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double vagPrev2 = 0.0;
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int k = 0;
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for (int i = 0; i < soundSize; i++)
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{
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if (i % 16 == 0)
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{
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sp = iData[i];
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if (breakOnEnd && (iData[i + 1] & 0x0F) == 1)
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return k;
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if ((iData[i + 1] & 0x0E) == 6)
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(*loopStart) = k;
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if ((iData[i + 1] & 0x0F) == 3)
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{
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(*loopLength) = (k + 28) - (*loopStart);
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if (breakOnEnd)
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return k;
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}
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if ((iData[i + 1] & 0x0F) == 7)
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{
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(*loopLength) = (k + 28) - (*loopStart);
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if (breakOnEnd)
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return k;
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}
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i += 2;
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}
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sd = (int)iData[i] & 0x0F;
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oData[k++] = vagToPcm(sp, sd, &vagPrev1, &vagPrev2);
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sd = ((int)iData[i] >> 4) & 0x0F;
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oData[k++] = vagToPcm(sp, sd, &vagPrev1, &vagPrev2);
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}
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return soundSize;
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}
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unsigned long SpuWrite(unsigned char* addr, unsigned long size)
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{
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if (0x7EFF0 < size)
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{
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size = 0x7EFF0;
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}
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// simply copy to the writeptr
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memcpy(s_SpuMemory.writeptr, addr, size);
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#if 0 // BANK TEST
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{
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static short waveBuffer[SPU_MEMSIZE];
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ALuint alSource;
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ALuint alBuffer;
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alGenSources(1, &alSource);
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alGenBuffers(1, &alBuffer);
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int loopStart = 0, loopLen = 0;
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int count = decodeSound(addr, waveBuffer, size, &loopStart, &loopLen);
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// update AL buffer
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alBufferData(alBuffer, AL_FORMAT_MONO16, waveBuffer, count * sizeof(short), 11000);
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// set the buffer
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alSourcei(alSource, AL_BUFFER, alBuffer);
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alSourcef(alSource, AL_GAIN, 1.0f);// TODO: panning
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alSourcef(alSource, AL_PITCH, 1);
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alSourcePlay(alSource);
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int status;
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do
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{
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alGetSourcei(alSource, AL_SOURCE_STATE, &status);
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} while (status == AL_PLAYING);
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alSourceStop(alSource);
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alDeleteSources(1, &alSource);
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alDeleteBuffers(1, &alBuffer);
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}
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#endif
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//loc_228
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_spu_Fw(addr, size);
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if (_spu_transferCallback == NULL)
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{
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_spu_inTransfer = 0;
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}
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return size;
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}
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long SpuSetTransferMode(long mode)
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{
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// TODO: handle different transfer modes
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long mode_fix = mode == 0 ? 0 : 1;
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//trans_mode = mode;
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//transMode = mode_fix;
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return mode_fix;
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}
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unsigned long SpuSetTransferStartAddr(unsigned long addr)
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{
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s_SpuMemory.writeptr = s_SpuMemory.samplemem + addr;
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return 0;
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}
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long SpuIsTransferCompleted(long flag)
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{
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UNIMPLEMENTED();
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return 0;
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}
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void _SpuDataCallback(int a0)
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{
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UNIMPLEMENTED();
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}
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void SpuStart()//(F)
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{
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long event = 0;
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if (_spu_isCalled == 0)
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{
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_spu_isCalled = 1;
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EnterCriticalSection();
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_SpuDataCallback(_spu_FiDMA);
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//event = OpenEvent(HwSPU, EvSpCOMP, EvMdNOINTR, NULL);
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_spu_EVdma = event;
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EnableEvent(event);
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ExitCriticalSection();
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}
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//loc_348
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}
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void _spu_init(int a0)
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{
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UNIMPLEMENTED();
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}
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void _spu_FsetRXX(int a0, int a1, int a2)//(F)
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{
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if (a2 == 0)
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{
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_spu_RXX[a0] = a1;
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}
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else
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{
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_spu_RXX[a0] = a1 >> _spu_mem_mode_plus;
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}
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}
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void _SpuInit(int a0)
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{
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ResetCallback();
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_spu_init(a0);
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if (a0 == 0)
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{
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for (int i = 0; i < sizeof(_spu_voice_centerNote) / sizeof(short); i++)
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{
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_spu_voice_centerNote[i] = SPU_CENTERNOTE;
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}
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}
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//loc_240
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SpuStart();
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_spu_rev_flag = 0;
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_spu_rev_reserve_wa = 0;
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dword_424.mask = 0;
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dword_424.mvol.left = 0;
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dword_424.mvol.right = 0;
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dword_424.mvolmode.left = 0;
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dword_424.mvolmode.right = 0;
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dword_424.mvolx.left = 0;
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dword_424.mvolx.right = 0;
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_spu_rev_offsetaddr = _spu_rev_startaddr;
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_spu_FsetRXX(209, _spu_rev_startaddr, 0);
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_spu_AllocBlockNum = 0;
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_spu_AllocLastNum = 0;
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_spu_memList = 0;
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_spu_trans_mode = 0;
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_spu_transMode = 0;
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_spu_keystat = 0;
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_spu_RQmask = 0;
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_spu_RQvoice = 0;
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_spu_env = 0;
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}
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void SpuInit(void)
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{
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Emulator_InitSound();
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_SpuInit(0);
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}
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void SpuSetVoiceAttr(SpuVoiceAttr *arg)
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{
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static short waveBuffer[SPU_MEMSIZE];
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for (int i = 0; i < SPU_VOICES; i++)
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{
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if (arg->voice != SPU_VOICECH(i))
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continue;
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SPUVoice& voice = s_SpuVoices[i];
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// update sample
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if ((arg->mask & SPU_VOICE_WDSA) || (arg->mask & SPU_VOICE_LSAX))
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{
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ALuint alSource = voice.alSource;
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ALuint alBuffer = voice.alBuffer;
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alSourcei(alSource, AL_BUFFER, 0);
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if (arg->mask & SPU_VOICE_WDSA)
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voice.attr.addr = arg->addr;
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if (arg->mask & SPU_VOICE_LSAX)
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voice.attr.loop_addr = arg->loop_addr;
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int loopStart = 0, loopLen = 0;
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int count = decodeSound(s_SpuMemory.samplemem + voice.attr.addr, waveBuffer, SPU_MEMSIZE - voice.attr.addr, &loopStart, &loopLen, true);
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if (loopLen > 0)
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{
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//loopStart += voice.attr.loop_addr;
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//int sampleOffs[] = { loopStart, loopStart + loopLen };
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//alBufferiv(alBuffer, AL_LOOP_POINTS_SOFT, sampleOffs);
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alSourcei(alSource, AL_LOOPING, AL_TRUE);
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}
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else
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alSourcei(alSource, AL_LOOPING, AL_FALSE);
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alBufferData(alBuffer, AL_FORMAT_MONO16, waveBuffer, count * sizeof(short), 350000);
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// set the buffer
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alSourcei(alSource, AL_BUFFER, alBuffer);
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}
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// update volume
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if ((arg->mask & SPU_VOICE_VOLL) || (arg->mask & SPU_VOICE_VOLR))
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{
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if (arg->mask & SPU_VOICE_VOLL)
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voice.attr.volume.left = arg->volume.left;
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if (arg->mask & SPU_VOICE_VOLR)
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voice.attr.volume.right = arg->volume.right;
|
|
|
|
float left_gain = float(voice.attr.volume.left) / float(16384);
|
|
float right_gain = float(voice.attr.volume.right) / float(16384);
|
|
|
|
float pan = (acosf(left_gain) + asinf(right_gain)) / ((float)M_PI); // average angle in [0,1]
|
|
pan = 2 * pan - 1; // convert to [-1, 1]
|
|
pan = pan * 0.5f; // 0.5 = sin(30') for a +/- 30 degree arc
|
|
alSource3f(voice.alSource, AL_POSITION, pan, 0, -sqrtf(1.0f - pan * pan));
|
|
|
|
alSourcef(voice.alSource, AL_GAIN, (left_gain+right_gain)*0.5f);
|
|
}
|
|
|
|
// update pitch
|
|
if (arg->mask & SPU_VOICE_PITCH)
|
|
{
|
|
voice.attr.pitch = arg->pitch;
|
|
|
|
float pitch = float(voice.attr.pitch) / 32767.0f;
|
|
|
|
alSourcef(voice.alSource, AL_PITCH, pitch);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SpuSetKey(long on_off, unsigned long voice_bit)
|
|
{
|
|
for (int i = 0; i < SPU_VOICES; i++)
|
|
{
|
|
if (voice_bit != SPU_VOICECH(i))
|
|
continue;
|
|
|
|
SPUVoice& voice = s_SpuVoices[i];
|
|
|
|
//int state;
|
|
//alGetSourcei(voice.alSource, AL_SOURCE_STATE, &state);
|
|
|
|
if (on_off)
|
|
{
|
|
alSourcePlay(voice.alSource);
|
|
}
|
|
else
|
|
{
|
|
alSourceStop(voice.alSource);
|
|
}
|
|
}
|
|
}
|
|
|
|
long SpuGetKeyStatus(unsigned long voice_bit)
|
|
{
|
|
int state = AL_STOPPED;
|
|
|
|
for (int i = 0; i < SPU_VOICES; i++)
|
|
{
|
|
if (voice_bit != SPU_VOICECH(i))
|
|
continue;
|
|
|
|
SPUVoice& voice = s_SpuVoices[i];
|
|
|
|
alGetSourcei(voice.alSource, AL_SOURCE_STATE, &state);
|
|
break;
|
|
}
|
|
|
|
return (state == AL_PLAYING); // simple as this?
|
|
}
|
|
|
|
void SpuGetAllKeysStatus(char* status)
|
|
{
|
|
for (int i = 0; i < SPU_VOICES; i++)
|
|
{
|
|
SPUVoice& voice = s_SpuVoices[i];
|
|
|
|
int state;
|
|
alGetSourcei(voice.alSource, AL_SOURCE_STATE, &state);
|
|
|
|
status[i] = (state == AL_PLAYING);
|
|
}
|
|
}
|
|
|
|
void SpuSetKeyOnWithAttr(SpuVoiceAttr* attr)
|
|
{
|
|
SpuSetVoiceAttr(attr);
|
|
SpuSetKey(1, attr->voice);
|
|
}
|
|
|
|
long SpuSetMute(long on_off)
|
|
{
|
|
UNIMPLEMENTED();
|
|
return 0;
|
|
}
|
|
|
|
long SpuSetReverb(long on_off)
|
|
{
|
|
UNIMPLEMENTED();
|
|
return 0;
|
|
}
|
|
|
|
unsigned long SpuSetReverbVoice(long on_off, unsigned long voice_bit)
|
|
{
|
|
UNIMPLEMENTED();
|
|
return 0;
|
|
}
|
|
|
|
void SpuSetCommonAttr(SpuCommonAttr* attr)
|
|
{
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
static long s_spuMallocVal = 0;
|
|
|
|
long SpuInitMalloc(long num, char* top)//(F)
|
|
{
|
|
s_spuMallocVal = 0;
|
|
|
|
if (num > 0)
|
|
{
|
|
//loc_214
|
|
((int*)top)[0] = 0x40001010;
|
|
_spu_memList = (uintptr_t)top;
|
|
_spu_AllocLastNum = 0;
|
|
_spu_AllocBlockNum = num;
|
|
((int*)top)[1] = (0x10000000 << _spu_mem_mode_plus) - 0x1010;
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
long SpuMalloc(long size)
|
|
{
|
|
int addr = s_spuMallocVal;
|
|
s_spuMallocVal += size;
|
|
|
|
return s_spuMallocVal; /*(long)(uintptr_t)malloc(size)*/;
|
|
}
|
|
|
|
long SpuMallocWithStartAddr(unsigned long addr, long size)
|
|
{
|
|
UNIMPLEMENTED();
|
|
return 0;
|
|
}
|
|
|
|
void SpuFree(unsigned long addr)
|
|
{
|
|
/*free((void*)(uintptr_t)addr)*/;
|
|
}
|
|
|
|
void SpuSetCommonMasterVolume(short mvol_left, short mvol_right)// (F)
|
|
{
|
|
//MasterVolume.VolumeLeft.Raw = mvol_left;
|
|
//MasterVolume.VolumeRight.Raw = mvol_right;
|
|
}
|
|
|
|
long SpuSetReverbModeType(long mode)
|
|
{
|
|
UNIMPLEMENTED();
|
|
return 0;
|
|
}
|
|
|
|
void SpuSetReverbModeDepth(short depth_left, short depth_right)
|
|
{
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
void SpuSetVoiceVolume(int vNum, short volL, short volR)
|
|
{
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
void SpuSetVoicePitch(int vNum, unsigned short pitch)
|
|
{
|
|
SpuVoiceAttr attr;
|
|
attr.mask = SPU_VOICE_PITCH;
|
|
attr.voice = SPU_VOICECH(vNum);
|
|
attr.pitch = pitch;
|
|
SpuSetVoiceAttr(&attr);
|
|
}
|
|
|
|
void SpuSetVoiceAR(int vNum, unsigned short AR)
|
|
{
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
void SpuSetVoiceRR(int vNum, unsigned short RR)
|
|
{
|
|
UNIMPLEMENTED();
|
|
}
|