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/***************************************************************************
spu.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. *
* *
***************************************************************************/
//*************************************************************************//
// History of changes:
//
// 2004/04/04 - Pete
// - changed plugin to emulate PS2 spu
//
// 2002/05/15 - Pete
// - generic cleanup for the Peops release
//
//*************************************************************************//
#include "../psx.h"
typedef struct spu2_state_s {
// psx buffer / addresses
unsigned short regArea[32*1024];
unsigned short spuMem[1*1024*1024];
unsigned char * spuMemC;
unsigned char * pSpuIrq[2];
unsigned char * pSpuBuffer;
// user settings
int iUseXA;//=0;
int iVolume;//=3;
int iXAPitch;//=1;
int iUseTimer;//=2;
int iSPUIRQWait;//=1;
int iDebugMode;//=0;
int iRecordMode;//=0;
int iUseReverb;//=1;
int iUseInterpolation;//=2;
// MAIN infos struct for each channel
SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling)
REVERBInfo rvb[2];
unsigned long dwNoiseVal;//=1; // global noise generator
unsigned short spuCtrl2[2]; // some vars to store psx reg infos
unsigned short spuStat2[2];
unsigned long spuIrq2[2];
unsigned long spuAddr2[2]; // address into spu mem
unsigned long spuRvbAddr2[2];
unsigned long spuRvbAEnd2[2];
int bEndThread; // thread handlers
int bThreadEnded;
int bSpuInit;
int bSPUIsOpen;
unsigned long dwNewChannel2[2]; // flags for faster testing, if new channel starts
unsigned long dwEndChannel2[2];
// UNUSED IN PS2 YET
void (CALLBACK *irqCallback)(void); // func of main emu, called on spu irq
void (CALLBACK *cddavCallback)(unsigned short,unsigned short);
int SSumR[NSSIZE];
int SSumL[NSSIZE];
int iCycle;
short * pS;
int lastch;//=-1; // last channel processed on spu irq in timer mode
int lastns; // last ns pos
int iSecureStart; // secure start counter
u32 sampcount;
u32 decaybegin;
u32 decayend;
// REVERB info and timing vars...
int * sRVBPlay[2];
int * sRVBEnd[2];
int * sRVBStart[2];
int iSpuAsyncWait;
} spu2_state_t;
//void SetupTimer(mips_cpu_context *cpu);
//void RemoveTimer(mips_cpu_context *cpu);
//EXPORT_GCC void CALLBACK SPU2playADPCMchannel(mips_cpu_context *cpu, xa_decode_t *xap);
EXPORT_GCC long CALLBACK SPU2init(mips_cpu_context *cpu, void (*callback)(unsigned char *, long, void *), void *data);
EXPORT_GCC void CALLBACK SPU2free(mips_cpu_context *cpu);
EXPORT_GCC long CALLBACK SPU2open(mips_cpu_context *cpu, void *pDsp);
EXPORT_GCC void CALLBACK SPU2async(mips_cpu_context *cpu, unsigned long cycle);
EXPORT_GCC void CALLBACK SPU2close(mips_cpu_context *cpu);
void setlength2(spu2_state_t *spu, s32 stop, s32 fade);
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