203 lines
6.7 KiB
C
203 lines
6.7 KiB
C
/***************************************************************************
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externals.h - description
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-------------------
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begin : Wed May 15 2002
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copyright : (C) 2002 by Pete Bernert
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email : BlackDove@addcom.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. See also the license.txt file for *
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* additional informations. *
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* *
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***************************************************************************/
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#include "ao.h"
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#ifndef PEOPS_EXTERNALS
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#define PEOPS_EXTERNALS
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typedef int8 s8;
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typedef int16 s16;
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typedef int32 s32;
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typedef int64 s64;
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typedef uint8 u8;
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typedef uint16 u16;
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typedef uint32 u32;
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typedef uint64 u64;
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#if LSB_FIRST
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static INLINE u16 BFLIP16(u16 x)
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{
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return x;
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}
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#else
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static INLINE u16 BFLIP16(u16 x)
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{
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return( ((x>>8)&0xFF)| ((x&0xFF)<<8) );
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}
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#endif
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//*************************************************************************//
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// History of changes:
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//
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// 2002/05/15 - Pete
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// - generic cleanup for the Peops release
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//
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//*************************************************************************//
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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////////////////////////////////////////////////////////////////////////
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// spu defines
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////////////////////////////////////////////////////////////////////////
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// num of channels
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#define MAXCHAN 24
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///////////////////////////////////////////////////////////
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// struct defines
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///////////////////////////////////////////////////////////
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// ADSR INFOS PER CHANNEL
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typedef struct
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{
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int AttackModeExp;
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s32 AttackTime;
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s32 DecayTime;
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s32 SustainLevel;
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int SustainModeExp;
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s32 SustainModeDec;
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s32 SustainTime;
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int ReleaseModeExp;
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u32 ReleaseVal;
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s32 ReleaseTime;
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s32 ReleaseStartTime;
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s32 ReleaseVol;
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s32 lTime;
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s32 lVolume;
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} ADSRInfo;
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typedef struct
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{
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int State;
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int AttackModeExp;
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int AttackRate;
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int DecayRate;
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int SustainLevel;
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int SustainModeExp;
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int SustainIncrease;
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int SustainRate;
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int ReleaseModeExp;
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int ReleaseRate;
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int EnvelopeVol;
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s32 lVolume;
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s32 lDummy1;
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s32 lDummy2;
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} ADSRInfoEx;
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///////////////////////////////////////////////////////////
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// Tmp Flags
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// used for debug channel muting
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#define FLAG_MUTE 1
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///////////////////////////////////////////////////////////
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// MAIN CHANNEL STRUCT
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typedef struct
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{
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int bNew; // start flag
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int iSBPos; // mixing stuff
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int spos;
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int sinc;
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int SB[32+1];
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int sval;
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u8 * pStart; // start ptr into sound mem
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u8 * pCurr; // current pos in sound mem
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u8 * pLoop; // loop ptr in sound mem
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int bOn; // is channel active (sample playing?)
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int bStop; // is channel stopped (sample _can_ still be playing, ADSR Release phase)
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int iActFreq; // current psx pitch
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int iUsedFreq; // current pc pitch
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int iLeftVolume; // left volume
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int iLeftVolRaw; // left psx volume value
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int bIgnoreLoop; // ignore loop bit, if an external loop address is used
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int iRightVolume; // right volume
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int iRightVolRaw; // right psx volume value
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int iRawPitch; // raw pitch (0...3fff)
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int iIrqDone; // debug irq done flag
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int s_1; // last decoding infos
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int s_2;
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int bRVBActive; // reverb active flag
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int iRVBOffset; // reverb offset
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int iRVBRepeat; // reverb repeat
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int bNoise; // noise active flag
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int bFMod; // freq mod (0=off, 1=sound channel, 2=freq channel)
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int iOldNoise; // old noise val for this channel
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ADSRInfo ADSR; // active ADSR settings
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ADSRInfoEx ADSRX; // next ADSR settings (will be moved to active on sample start)
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} SPUCHAN;
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///////////////////////////////////////////////////////////
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typedef struct
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{
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int StartAddr; // reverb area start addr in samples
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int CurrAddr; // reverb area curr addr in samples
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int Enabled;
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int VolLeft;
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int VolRight;
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int iLastRVBLeft;
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int iLastRVBRight;
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int iRVBLeft;
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int iRVBRight;
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int FB_SRC_A; // (offset)
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int FB_SRC_B; // (offset)
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int IIR_ALPHA; // (coef.)
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int ACC_COEF_A; // (coef.)
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int ACC_COEF_B; // (coef.)
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int ACC_COEF_C; // (coef.)
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int ACC_COEF_D; // (coef.)
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int IIR_COEF; // (coef.)
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int FB_ALPHA; // (coef.)
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int FB_X; // (coef.)
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int IIR_DEST_A0; // (offset)
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int IIR_DEST_A1; // (offset)
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int ACC_SRC_A0; // (offset)
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int ACC_SRC_A1; // (offset)
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int ACC_SRC_B0; // (offset)
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int ACC_SRC_B1; // (offset)
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int IIR_SRC_A0; // (offset)
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int IIR_SRC_A1; // (offset)
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int IIR_DEST_B0; // (offset)
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int IIR_DEST_B1; // (offset)
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int ACC_SRC_C0; // (offset)
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int ACC_SRC_C1; // (offset)
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int ACC_SRC_D0; // (offset)
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int ACC_SRC_D1; // (offset)
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int IIR_SRC_B1; // (offset)
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int IIR_SRC_B0; // (offset)
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int MIX_DEST_A0; // (offset)
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int MIX_DEST_A1; // (offset)
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int MIX_DEST_B0; // (offset)
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int MIX_DEST_B1; // (offset)
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int IN_COEF_L; // (coef.)
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int IN_COEF_R; // (coef.)
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} REVERBInfo;
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#endif // PEOPS_EXTERNALS
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