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03991: bigevglf : Reload of state cause audio corruption [Phil Bennett]

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Added save-state support to the MSM5232 sound core [Phil Bennett]
This commit is contained in:
Phil Bennett 2010-08-15 20:53:48 +00:00
parent a65aa6c30a
commit f83f00dce8
1 changed files with 48 additions and 4 deletions
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52
src/emu/sound/msm5232.c
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@ -33,7 +33,7 @@ typedef struct {
double dr_rate;
double rr_rate;
int pitch; /* current pitch data */
int pitch; /* current pitch data */
int GF;
} VOICE;
@ -60,8 +60,8 @@ typedef struct {
double ar_tbl[8];
double dr_tbl[16];
UINT8 control1;
UINT8 control2;
UINT8 control1;
UINT8 control2;
int gate; /* current state of the GATE output */
@ -780,18 +780,62 @@ static STREAM_UPDATE( MSM5232_update_one )
/* MAME Interface */
static STATE_POSTLOAD( msm5232_postload )
{
MSM5232 *chip = (MSM5232 *)param;
msm5232_init_tables(chip);
}
static DEVICE_START( msm5232 )
{
const msm5232_interface *intf = (const msm5232_interface *)device->baseconfig().static_config();
int rate = device->clock()/CLOCK_RATE_DIVIDER;
MSM5232 *chip = get_safe_token(device);
int voicenum;
chip->device = device;
msm5232_init(chip, intf, device->clock(), rate);
chip->stream = stream_create(device,0,11,rate,chip,MSM5232_update_one);
chip->stream = stream_create(device, 0, 11, rate, chip, MSM5232_update_one);
/* register with the save state system */
state_save_register_postload(device->machine, msm5232_postload, chip);
state_save_register_device_item_array(device, 0, chip->EN_out16);
state_save_register_device_item_array(device, 0, chip->EN_out8);
state_save_register_device_item_array(device, 0, chip->EN_out4);
state_save_register_device_item_array(device, 0, chip->EN_out2);
state_save_register_device_item(device, 0, chip->noise_cnt);
state_save_register_device_item(device, 0, chip->noise_rng);
state_save_register_device_item(device, 0, chip->noise_clocks);
state_save_register_device_item(device, 0, chip->control1);
state_save_register_device_item(device, 0, chip->control2);
state_save_register_device_item(device, 0, chip->gate);
state_save_register_device_item(device, 0, chip->clock);
state_save_register_device_item(device, 0, chip->rate);
/* register voice-specific data for save states */
for (voicenum = 0; voicenum < 8; voicenum++)
{
VOICE *voice = &chip->voi[voicenum];
state_save_register_device_item(device, voicenum, voice->mode);
state_save_register_device_item(device, voicenum, voice->TG_count_period);
state_save_register_device_item(device, voicenum, voice->TG_cnt);
state_save_register_device_item(device, voicenum, voice->TG_out16);
state_save_register_device_item(device, voicenum, voice->TG_out8);
state_save_register_device_item(device, voicenum, voice->TG_out4);
state_save_register_device_item(device, voicenum, voice->TG_out2);
state_save_register_device_item(device, voicenum, voice->egvol);
state_save_register_device_item(device, voicenum, voice->eg_sect);
state_save_register_device_item(device, voicenum, voice->counter);
state_save_register_device_item(device, voicenum, voice->eg);
state_save_register_device_item(device, voicenum, voice->eg_arm);
state_save_register_device_item(device, voicenum, voice->ar_rate);
state_save_register_device_item(device, voicenum, voice->dr_rate);
state_save_register_device_item(device, voicenum, voice->pitch);
state_save_register_device_item(device, voicenum, voice->GF);
}
}
void msm5232_set_clock(running_device *device, int clock)