61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#pragma once
|
|
|
|
#include "mamedef.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* an interface for the OKIM6295 and similar chips */
|
|
|
|
/*
|
|
Note about the playback frequency: the external clock is internally divided,
|
|
depending on pin 7, by 132 (high) or 165 (low).
|
|
*/
|
|
/*typedef struct _okim6295_interface okim6295_interface;
|
|
struct _okim6295_interface
|
|
{
|
|
int pin7;
|
|
};
|
|
|
|
extern const okim6295_interface okim6295_interface_pin7high;
|
|
extern const okim6295_interface okim6295_interface_pin7low;*/
|
|
|
|
|
|
|
|
//void okim6295_set_bank_base(running_device *device, int base);
|
|
//void okim6295_set_pin7(running_device *device, int pin7);
|
|
|
|
void okim6295_update(void *, stream_sample_t **outputs, int samples);
|
|
void * device_start_okim6295(int clock);
|
|
void device_stop_okim6295(void *);
|
|
void device_reset_okim6295(void *);
|
|
|
|
//READ8_DEVICE_HANDLER( okim6295_r );
|
|
//WRITE8_DEVICE_HANDLER( okim6295_w );
|
|
void okim6295_w(void *, offs_t offset, UINT8 data);
|
|
|
|
void okim6295_write_rom(void *, offs_t ROMSize, offs_t DataStart, offs_t DataLength,
|
|
const UINT8* ROMData);
|
|
void okim6295_set_mute_mask(void *, UINT32 MuteMask);
|
|
|
|
|
|
/*
|
|
To help the various custom ADPCM generators out there,
|
|
the following routines may be used.
|
|
*/
|
|
struct adpcm_state
|
|
{
|
|
INT32 signal;
|
|
INT32 step;
|
|
};
|
|
void reset_adpcm(struct adpcm_state *state);
|
|
INT16 clock_adpcm(struct adpcm_state *state, UINT8 nibble);
|
|
|
|
//DEVICE_GET_INFO( okim6295 );
|
|
//#define SOUND_OKIM6295 DEVICE_GET_INFO_NAME( okim6295 )
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|