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Cleanup (nw)

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This commit is contained in:
Miodrag Milanovic 2013-02-08 15:04:46 +00:00
parent 82547ea6dd
commit 08ab97e98e
2 changed files with 16 additions and 16 deletions
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31
src/mame/drivers/gottlieb.c
View File

@ -583,12 +583,11 @@ void gottlieb_state::audio_handle_zero_crossing(attotime zerotime, int logit)
} }
static void laserdisc_audio_process(device_t *dummy, laserdisc_device &device, int samplerate, int samples, const INT16 *ch0, const INT16 *ch1) void gottlieb_state::laserdisc_audio_process(laserdisc_device &device, int samplerate, int samples, const INT16 *ch0, const INT16 *ch1)
{ {
gottlieb_state *state = device.machine().driver_data<gottlieb_state>(); int logit = LOG_AUDIO_DECODE && machine().input().code_pressed(KEYCODE_L);
int logit = LOG_AUDIO_DECODE && device.machine().input().code_pressed(KEYCODE_L);
attotime time_per_sample = attotime::from_hz(samplerate); attotime time_per_sample = attotime::from_hz(samplerate);
attotime curtime = state->m_laserdisc_last_time; attotime curtime = m_laserdisc_last_time;
int cursamp; int cursamp;
if (logit) if (logit)
@ -597,7 +596,7 @@ static void laserdisc_audio_process(device_t *dummy, laserdisc_device &device, i
/* if no data, reset it all */ /* if no data, reset it all */
if (ch1 == NULL) if (ch1 == NULL)
{ {
state->m_laserdisc_last_time = curtime + time_per_sample * samples; m_laserdisc_last_time = curtime + time_per_sample * samples;
return; return;
} }
@ -611,36 +610,36 @@ static void laserdisc_audio_process(device_t *dummy, laserdisc_device &device, i
logerror("%s: %d", (curtime + time_per_sample + time_per_sample).as_string(6), sample); logerror("%s: %d", (curtime + time_per_sample + time_per_sample).as_string(6), sample);
/* if we are past the "break in transmission" time, reset everything */ /* if we are past the "break in transmission" time, reset everything */
if ((curtime - state->m_laserdisc_last_clock) > attotime::from_usec(400)) if ((curtime - m_laserdisc_last_clock) > attotime::from_usec(400))
state->audio_end_state(); audio_end_state();
/* if this sample reinforces that the previous one ended a zero crossing, count it */ /* if this sample reinforces that the previous one ended a zero crossing, count it */
if ((sample >= 256 && state->m_laserdisc_last_samples[1] >= 0 && state->m_laserdisc_last_samples[0] < 0) || if ((sample >= 256 && m_laserdisc_last_samples[1] >= 0 && m_laserdisc_last_samples[0] < 0) ||
(sample <= -256 && state->m_laserdisc_last_samples[1] <= 0 && state->m_laserdisc_last_samples[0] > 0)) (sample <= -256 && m_laserdisc_last_samples[1] <= 0 && m_laserdisc_last_samples[0] > 0))
{ {
attotime zerotime; attotime zerotime;
int fractime; int fractime;
/* compute the fractional position of the 0-crossing, between the two samples involved */ /* compute the fractional position of the 0-crossing, between the two samples involved */
fractime = (-state->m_laserdisc_last_samples[0] * 1000) / (state->m_laserdisc_last_samples[1] - state->m_laserdisc_last_samples[0]); fractime = (-m_laserdisc_last_samples[0] * 1000) / (m_laserdisc_last_samples[1] - m_laserdisc_last_samples[0]);
/* use this fraction to compute the approximate actual zero crossing time */ /* use this fraction to compute the approximate actual zero crossing time */
zerotime = curtime + time_per_sample * fractime / 1000; zerotime = curtime + time_per_sample * fractime / 1000;
/* determine if this is a clock; if it is, process */ /* determine if this is a clock; if it is, process */
state->audio_handle_zero_crossing(zerotime, logit); audio_handle_zero_crossing(zerotime, logit);
} }
if (logit) if (logit)
logerror(" \n"); logerror(" \n");
/* update our sample tracking and advance time */ /* update our sample tracking and advance time */
state->m_laserdisc_last_samples[0] = state->m_laserdisc_last_samples[1]; m_laserdisc_last_samples[0] = m_laserdisc_last_samples[1];
state->m_laserdisc_last_samples[1] = sample; m_laserdisc_last_samples[1] = sample;
curtime += time_per_sample; curtime += time_per_sample;
} }
/* remember the last time */ /* remember the last time */
state->m_laserdisc_last_time = curtime; m_laserdisc_last_time = curtime;
} }
@ -1745,7 +1744,7 @@ static MACHINE_CONFIG_DERIVED( g2laser, gottlieb_core )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_LASERDISC_PR8210_ADD("laserdisc") MCFG_LASERDISC_PR8210_ADD("laserdisc")
MCFG_LASERDISC_AUDIO(laserdisc_audio_delegate(FUNC(laserdisc_audio_process), device)) MCFG_LASERDISC_AUDIO(laserdisc_audio_delegate(FUNC(gottlieb_state::laserdisc_audio_process), (gottlieb_state*)owner))
MCFG_LASERDISC_OVERLAY_DRIVER(GOTTLIEB_VIDEO_HCOUNT, GOTTLIEB_VIDEO_VCOUNT, gottlieb_state, screen_update_gottlieb) MCFG_LASERDISC_OVERLAY_DRIVER(GOTTLIEB_VIDEO_HCOUNT, GOTTLIEB_VIDEO_VCOUNT, gottlieb_state, screen_update_gottlieb)
MCFG_LASERDISC_OVERLAY_CLIP(0, GOTTLIEB_VIDEO_HBLANK-1, 0, GOTTLIEB_VIDEO_VBLANK-8) MCFG_LASERDISC_OVERLAY_CLIP(0, GOTTLIEB_VIDEO_HBLANK-1, 0, GOTTLIEB_VIDEO_VBLANK-8)
MCFG_SOUND_ROUTE(0, "mono", 1.0) MCFG_SOUND_ROUTE(0, "mono", 1.0)
@ -1836,7 +1835,7 @@ static MACHINE_CONFIG_DERIVED( cobram3, gottlieb_core )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_LASERDISC_PR8210_ADD("laserdisc") MCFG_LASERDISC_PR8210_ADD("laserdisc")
MCFG_LASERDISC_AUDIO(laserdisc_audio_delegate(FUNC(laserdisc_audio_process), device)) MCFG_LASERDISC_AUDIO(laserdisc_audio_delegate(FUNC(gottlieb_state::laserdisc_audio_process), (gottlieb_state*)owner))
MCFG_LASERDISC_OVERLAY_DRIVER(GOTTLIEB_VIDEO_HCOUNT, GOTTLIEB_VIDEO_VCOUNT, gottlieb_state, screen_update_gottlieb) MCFG_LASERDISC_OVERLAY_DRIVER(GOTTLIEB_VIDEO_HCOUNT, GOTTLIEB_VIDEO_VCOUNT, gottlieb_state, screen_update_gottlieb)
MCFG_LASERDISC_OVERLAY_CLIP(0, GOTTLIEB_VIDEO_HBLANK-1, 0, GOTTLIEB_VIDEO_VBLANK-8) MCFG_LASERDISC_OVERLAY_CLIP(0, GOTTLIEB_VIDEO_HBLANK-1, 0, GOTTLIEB_VIDEO_VBLANK-8)
MCFG_SOUND_ROUTE(0, "mono", 1.0) MCFG_SOUND_ROUTE(0, "mono", 1.0)

1
src/mame/includes/gottlieb.h
View File

@ -318,6 +318,7 @@ public:
inline void audio_end_state(); inline void audio_end_state();
void audio_process_clock(int logit); void audio_process_clock(int logit);
void audio_handle_zero_crossing(attotime zerotime, int logit); void audio_handle_zero_crossing(attotime zerotime, int logit);
void laserdisc_audio_process(laserdisc_device &device, int samplerate, int samples, const INT16 *ch0, const INT16 *ch1);
}; };
/*----------- defined in audio/gottlieb.c -----------*/ /*----------- defined in audio/gottlieb.c -----------*/