diff options
Diffstat (limited to 'src/devices/sound/scspdsp.h')
-rw-r--r-- | src/devices/sound/scspdsp.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/devices/sound/scspdsp.h b/src/devices/sound/scspdsp.h new file mode 100644 index 00000000000..319b3ebe099 --- /dev/null +++ b/src/devices/sound/scspdsp.h @@ -0,0 +1,42 @@ +// license:BSD-3-Clause +// copyright-holders:ElSemi, R. Belmont +#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(SCSPDSP *DSP); +void SCSPDSP_SetSample(SCSPDSP *DSP, INT32 sample, INT32 SEL, INT32 MXL); +void SCSPDSP_Step(SCSPDSP *DSP); +void SCSPDSP_Start(SCSPDSP *DSP); + +#endif /* __SCSPDSP_H__ */ |