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- /***************************************************************************
- upse-spu-internal.h - description
- -------------------
- begin : Wed May 15 2002
- copyright : (C) 2002 by Pete Bernert
- email : BlackDove@addcom.de
- ***************************************************************************/
- /***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. See also the license.txt file for *
- * additional informations. *
- * *
- ***************************************************************************/
- #include "upse-types.h"
- #include "upse-ps1-memory-manager.h"
- //*************************************************************************//
- // History of changes:
- //
- // 2002/05/15 - Pete
- // - generic cleanup for the Peops release
- //
- //*************************************************************************//
- #define max(a,b) (((a) > (b)) ? (a) : (b))
- #define min(a,b) (((a) < (b)) ? (a) : (b))
- ////////////////////////////////////////////////////////////////////////
- // spu defines
- ////////////////////////////////////////////////////////////////////////
- // num of channels
- #define MAXCHAN 24
- ///////////////////////////////////////////////////////////
- // struct defines
- ///////////////////////////////////////////////////////////
- // ADSR INFOS PER CHANNEL
- typedef struct
- {
- int AttackModeExp;
- s32 AttackTime;
- s32 DecayTime;
- s32 SustainLevel;
- int SustainModeExp;
- s32 SustainModeDec;
- s32 SustainTime;
- int ReleaseModeExp;
- u32 ReleaseVal;
- s32 ReleaseTime;
- s32 ReleaseStartTime;
- s32 ReleaseVol;
- s32 lTime;
- s32 lVolume;
- } ADSRInfo;
- typedef struct
- {
- int State;
- int AttackModeExp;
- int AttackRate;
- int DecayRate;
- int SustainLevel;
- int SustainModeExp;
- int SustainIncrease;
- int SustainRate;
- int ReleaseModeExp;
- int ReleaseRate;
- int EnvelopeVol;
- s32 lVolume;
- s32 lDummy1;
- s32 lDummy2;
- } ADSRInfoEx;
- ///////////////////////////////////////////////////////////
- // Tmp Flags
- // used for debug channel muting
- #define FLAG_MUTE 1
- ///////////////////////////////////////////////////////////
- // MAIN CHANNEL STRUCT
- typedef struct
- {
- int bNew; // start flag
- int iSBPos; // mixing stuff
- int spos;
- int sinc;
- int SB[32 + 1];
- int sval;
- u8 *pStart; // start ptr into sound mem
- u8 *pCurr; // current pos in sound mem
- u8 *pLoop; // loop ptr in sound mem
- int bOn; // is channel active (sample playing?)
- int bStop; // is channel stopped (sample _can_ still be playing, ADSR Release phase)
- int iActFreq; // current psx pitch
- int iUsedFreq; // current pc pitch
- int iLeftVolume; // left volume
- int iLeftVolRaw; // left psx volume value
- int bIgnoreLoop; // ignore loop bit, if an external loop address is used
- int iRightVolume; // right volume
- int iRightVolRaw; // right psx volume value
- int iRawPitch; // raw pitch (0...3fff)
- int iIrqDone; // debug irq done flag
- int s_1; // last decoding infos
- int s_2;
- int bRVBActive; // reverb active flag
- int iRVBOffset; // reverb offset
- int iRVBRepeat; // reverb repeat
- int bNoise; // noise active flag
- int bFMod; // freq mod (0=off, 1=sound channel, 2=freq channel)
- int iOldNoise; // old noise val for this channel
- ADSRInfo ADSR; // active ADSR settings
- ADSRInfoEx ADSRX; // next ADSR settings (will be moved to active on sample start)
- } SPUCHAN;
- ///////////////////////////////////////////////////////////
- typedef struct
- {
- int StartAddr; // reverb area start addr in samples
- int CurrAddr; // reverb area curr addr in samples
- int Enabled;
- int VolLeft;
- int VolRight;
- int iLastRVBLeft;
- int iLastRVBRight;
- int iRVBLeft;
- int iRVBRight;
- int FB_SRC_A; // (offset)
- int FB_SRC_B; // (offset)
- int IIR_ALPHA; // (coef.)
- int ACC_COEF_A; // (coef.)
- int ACC_COEF_B; // (coef.)
- int ACC_COEF_C; // (coef.)
- int ACC_COEF_D; // (coef.)
- int IIR_COEF; // (coef.)
- int FB_ALPHA; // (coef.)
- int FB_X; // (coef.)
- int IIR_DEST_A0; // (offset)
- int IIR_DEST_A1; // (offset)
- int ACC_SRC_A0; // (offset)
- int ACC_SRC_A1; // (offset)
- int ACC_SRC_B0; // (offset)
- int ACC_SRC_B1; // (offset)
- int IIR_SRC_A0; // (offset)
- int IIR_SRC_A1; // (offset)
- int IIR_DEST_B0; // (offset)
- int IIR_DEST_B1; // (offset)
- int ACC_SRC_C0; // (offset)
- int ACC_SRC_C1; // (offset)
- int ACC_SRC_D0; // (offset)
- int ACC_SRC_D1; // (offset)
- int IIR_SRC_B1; // (offset)
- int IIR_SRC_B0; // (offset)
- int MIX_DEST_A0; // (offset)
- int MIX_DEST_A1; // (offset)
- int MIX_DEST_B0; // (offset)
- int MIX_DEST_B1; // (offset)
- int IN_COEF_L; // (coef.)
- int IN_COEF_R; // (coef.)
- } REVERBInfo;
- extern u16 regArea[0x200];
- extern u16 spuMem[256 * 1024];
- extern u8 *spuMemC;
- extern u8 *pSpuIrq;
- extern u8 *pSpuBuffer;
- extern u32 dwNoiseVal; // global noise generator
- extern u16 spuCtrl; // some vars to store psx reg infos
- extern u16 spuStat;
- extern u16 spuIrq;
- extern u32 spuAddr; // address into spu mem
- extern int bSPUIsOpen;
- extern SPUCHAN s_chan[MAXCHAN + 1]; // channel + 1 infos (1 is security for fmod handling)
- extern REVERBInfo rvb;
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