cog/Frameworks/GME/vgmplay/chips/c6280intf.c

170 lines
2.9 KiB
C

#include <stdlib.h>
#include "mamedef.h"
#ifdef ENABLE_ALL_CORES
#include "c6280.h"
#endif
#include "Ootake_PSG.h"
#ifdef ENABLE_ALL_CORES
#define EC_MAME 0x01
#endif
#define EC_OOTAKE 0x00
#ifndef NULL
#define NULL ((void *)0)
#endif
typedef struct _c6280_state
{
void* chip;
int EMU_CORE;
} c6280_state;
void c6280_update(void *_info, stream_sample_t **outputs, int samples)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
c6280m_update(info->chip, outputs, samples);
break;
#endif
case EC_OOTAKE:
PSG_Mix(info->chip, outputs, samples);
break;
}
}
int device_start_c6280(void **_info, int EMU_CORE, int clock, int SampleRate, int CHIP_SAMPLING_MODE, int CHIP_SAMPLE_RATE)
{
c6280_state* info;
int rate;
#ifdef ENABLE_ALL_CORES
if (EMU_CORE >= 0x02)
EMU_CORE = EC_OOTAKE;
#else
EMU_CORE = EC_OOTAKE;
#endif
info = (c6280_state *) calloc(1, sizeof(c6280_state));
*_info = (void *) info;
info->EMU_CORE = EMU_CORE;
switch(EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
rate = (clock & 0x7FFFFFFF)/16;
if (((CHIP_SAMPLING_MODE & 0x01) && rate < CHIP_SAMPLE_RATE) ||
CHIP_SAMPLING_MODE == 0x02)
rate = CHIP_SAMPLE_RATE;
info->chip = device_start_c6280m(clock, rate);
if (info->chip == NULL)
return 0;
break;
#endif
case EC_OOTAKE:
rate = SampleRate;
info->chip = PSG_Init(clock, rate);
if (info->chip == NULL)
return 0;
break;
}
return rate;
}
void device_stop_c6280(void *_info)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
device_stop_c6280m(info->chip);
break;
#endif
case EC_OOTAKE:
PSG_Deinit(info->chip);
break;
}
info->chip = NULL;
free(info);
return;
}
void device_reset_c6280(void *_info)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
device_reset_c6280m(info->chip);
break;
#endif
case EC_OOTAKE:
PSG_ResetVolumeReg(info->chip);
break;
}
return;
}
UINT8 c6280_r(void *_info, offs_t offset)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
return c6280m_r(info->chip, offset);
#endif
case EC_OOTAKE:
return PSG_Read(info->chip, offset);
default:
return 0x00;
}
}
void c6280_w(void *_info, offs_t offset, UINT8 data)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
c6280m_w(info->chip, offset, data);
break;
#endif
case EC_OOTAKE:
PSG_Write(info->chip, offset, data);
break;
}
return;
}
void c6280_set_mute_mask(void *_info, UINT32 MuteMask)
{
c6280_state* info = (c6280_state *)_info;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
c6280m_set_mute_mask(info->chip, MuteMask);
break;
#endif
case EC_OOTAKE:
PSG_SetMuteMask(info->chip, MuteMask);
break;
}
return;
}