161 lines
3.1 KiB
C
161 lines
3.1 KiB
C
/****************************************************************
|
|
|
|
MAME / MESS functions
|
|
|
|
****************************************************************/
|
|
|
|
#include <memory.h> // for memset
|
|
#include <stdlib.h> // for free
|
|
#include <stddef.h> // for NULL
|
|
#include "mamedef.h"
|
|
//#include "sndintrf.h"
|
|
//#include "streams.h"
|
|
#include "ay8910.h" // must be always included (for YM2149_PIN26_LOW)
|
|
#include "emu2149.h"
|
|
#include "ay_intf.h"
|
|
|
|
|
|
#ifdef ENABLE_ALL_CORES
|
|
#define EC_MAME 0x01 // AY8910 core from MAME
|
|
#endif
|
|
#define EC_EMU2149 0x00 // EMU2149 from NSFPlay
|
|
|
|
|
|
/* for stream system */
|
|
typedef struct _ayxx_state ayxx_state;
|
|
struct _ayxx_state
|
|
{
|
|
void *chip;
|
|
int EMU_CORE;
|
|
};
|
|
|
|
void ayxx_stream_update(void *_info, stream_sample_t **outputs, int samples)
|
|
{
|
|
ayxx_state *info = (ayxx_state *)_info;
|
|
switch(info->EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
ay8910_update_one(info->chip, outputs, samples);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
PSG_calc_stereo((PSG*)info->chip, outputs, samples);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int device_start_ayxx(void **_info, int EMU_CORE, int clock, UINT8 chip_type, UINT8 Flags, int CHIP_SAMPLING_MODE, int CHIP_SAMPLE_RATE)
|
|
{
|
|
ayxx_state *info;
|
|
int rate;
|
|
|
|
#ifdef ENABLE_ALL_CORES
|
|
if (EMU_CORE >= 0x02)
|
|
EMU_CORE = EC_EMU2149;
|
|
#else
|
|
EMU_CORE = EC_EMU2149;
|
|
#endif
|
|
|
|
info = (ayxx_state *) calloc(1, sizeof(ayxx_state));
|
|
*_info = (void *) info;
|
|
|
|
info->EMU_CORE = EMU_CORE;
|
|
if (Flags & YM2149_PIN26_LOW)
|
|
rate = clock / 16;
|
|
else
|
|
rate = clock / 8;
|
|
if (((CHIP_SAMPLING_MODE & 0x01) && rate < CHIP_SAMPLE_RATE) ||
|
|
CHIP_SAMPLING_MODE == 0x02)
|
|
rate = CHIP_SAMPLE_RATE;
|
|
|
|
switch(EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
rate = ay8910_start(&info->chip, clock, chip_type, Flags);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
if (Flags & YM2149_PIN26_LOW)
|
|
clock /= 2;
|
|
info->chip = PSG_new(clock, rate);
|
|
if (info->chip == NULL)
|
|
return 0;
|
|
PSG_setVolumeMode((PSG*)info->chip, (chip_type & 0x10) ? 1 : 2);
|
|
PSG_setFlags((PSG*)info->chip, Flags & ~YM2149_PIN26_LOW);
|
|
break;
|
|
}
|
|
|
|
return rate;
|
|
}
|
|
|
|
void device_stop_ayxx(void *_info)
|
|
{
|
|
ayxx_state *info = (ayxx_state *)_info;
|
|
switch(info->EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
ay8910_stop_ym(info->chip);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
PSG_delete((PSG*)info->chip);
|
|
break;
|
|
}
|
|
info->chip = NULL;
|
|
free(info);
|
|
}
|
|
|
|
void device_reset_ayxx(void *_info)
|
|
{
|
|
ayxx_state *info = (ayxx_state *)_info;
|
|
switch(info->EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
ay8910_reset_ym(info->chip);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
PSG_reset((PSG*)info->chip);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void ayxx_w(void *_info, offs_t offset, UINT8 data)
|
|
{
|
|
ayxx_state *info = (ayxx_state *)_info;
|
|
switch(info->EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
ay8910_write_ym(info->chip, offset, data);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
PSG_writeIO((PSG*)info->chip, offset, data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ayxx_set_mute_mask(void *_info, UINT32 MuteMask)
|
|
{
|
|
ayxx_state *info = (ayxx_state *)_info;
|
|
switch(info->EMU_CORE)
|
|
{
|
|
#ifdef ENABLE_ALL_CORES
|
|
case EC_MAME:
|
|
ay8910_set_mute_mask_ym(info->chip, MuteMask);
|
|
break;
|
|
#endif
|
|
case EC_EMU2149:
|
|
PSG_setMask((PSG*)info->chip, MuteMask);
|
|
break;
|
|
}
|
|
|
|
return;
|
|
}
|