cog/Frameworks/GME/vgmplay/chips/scspdsp.h

41 lines
890 B
C

#pragma once
#ifndef __SCSPDSP_H__
#define __SCSPDSP_H__
//the DSP Context
struct _SCSPDSP
{
//Config
UINT16 *SCSPRAM;
UINT32 SCSPRAM_LENGTH;
UINT32 RBP; //Ring buf pointer
UINT32 RBL; //Delay ram (Ring buffer) size in words
//context
INT16 COEF[64]; //16 bit signed
UINT16 MADRS[32]; //offsets (in words), 16 bit
UINT16 MPRO[128*4]; //128 steps 64 bit
INT32 TEMP[128]; //TEMP regs,24 bit signed
INT32 MEMS[32]; //MEMS regs,24 bit signed
UINT32 DEC;
//input
INT32 MIXS[16]; //MIXS, 24 bit signed
INT16 EXTS[2]; //External inputs (CDDA) 16 bit signed
//output
INT16 EFREG[16]; //EFREG, 16 bit signed
int Stopped;
int LastStep;
};
void SCSPDSP_Init(struct _SCSPDSP *DSP);
void SCSPDSP_SetSample(struct _SCSPDSP *DSP, INT32 sample, INT32 SEL, INT32 MXL);
void SCSPDSP_Step(struct _SCSPDSP *DSP);
void SCSPDSP_Start(struct _SCSPDSP *DSP);
#endif /* __SCSPDSP_H__ */