void ttl74123_device::start_pulse()
{
attotime duration = compute_duration();
if(timer_running())
{
/* retriggering, but not if we are called to quickly */
attotime delay_time = attotime_make(0, ATTOSECONDS_PER_SECOND * m_config.m_cap * 220);
if(attotime_compare(timer_timeelapsed(m_timer), delay_time) >= 0)
{
timer_adjust_oneshot(m_timer, duration, 0);
if (LOG) logerror("74123 %s: Retriggering pulse. Duration: %f\n", tag(), attotime_to_double(duration));
}
else
{
if (LOG) logerror("74123 %s: Retriggering failed.\n", tag());
}
}
else
{
/* starting */
timer_adjust_oneshot(m_timer, duration, 0);
set_output();
if (LOG) logerror("74123 %s: Starting pulse. Duration: %f\n", tag(), attotime_to_double(duration));
}
}
void timer_print_first_timer(running_machine *machine)
{
timer_private *global = machine->timer_data;
emu_timer *t = global->activelist;
printf(" Start=%15.6f Exp=%15.6f Per=%15.6f Ena=%d Tmp=%d (%s)\n",
attotime_to_double(t->start), attotime_to_double(t->expire), attotime_to_double(t->period), t->enabled, t->temporary, t->func);
}
static void start_pulse(const device_config *device)
{
ttl74123_t *chip = get_safe_token(device);
attotime duration = compute_duration(chip);
if (timer_running(chip))
{
/* retriggering, but not if we are called to quickly */
attotime delay_time = attotime_make(0, ATTOSECONDS_PER_SECOND * chip->intf->cap * 220);
if (attotime_compare(timer_timeelapsed(chip->timer), delay_time) >= 0)
{
timer_adjust_oneshot(chip->timer, duration, 0);
if (LOG) logerror("74123 %s: Retriggering pulse. Duration: %f\n", device->tag, attotime_to_double(duration));
}
else
{
if (LOG) logerror("74123 %s: Retriggering failed.\n", device->tag);
}
}
else
{
/* starting */
timer_adjust_oneshot(chip->timer, duration, 0);
set_output(device);
if (LOG) logerror("74123 %s: Starting pulse. Duration: %f\n", device->tag, attotime_to_double(duration));
}
}
static void start_pulse(TTL74123_state *chip)
{
attotime duration = compute_duration(chip);
if (timer_running(chip))
{
/* retriggering, but not if we are called to quickly */
attotime delay_time = attotime_make(0, ATTOSECONDS_PER_SECOND * chip->intf->cap * 220);
if (attotime_compare(timer_timeelapsed(chip->timer), delay_time) >= 0)
{
timer_adjust(chip->timer, duration, 0, attotime_never);
if (LOG) logerror("74123 #%d: Retriggering pulse. Duration: %f\n", chip->which, attotime_to_double(duration));
}
else
{
if (LOG) logerror("74123 #%d: Retriggering failed.\n", chip->which);
}
}
else
{
/* starting */
timer_adjust(chip->timer, duration, 0, attotime_never);
set_output(chip);
if (LOG) logerror("74123 #%d: Starting pulse. Duration: %f\n", chip->which, attotime_to_double(duration));
}
}
static READ8_HANDLER( exidy_shriot_r )
{
/* I/O is done if A2 == 0 */
if ((offset & 0x04) == 0)
{
switch (offset & 0x03)
{
case 0x00: /* port A */
return riot_porta_data;
case 0x01: /* port A DDR */
return riot_porta_ddr;
case 0x02: /* port B */
if (has_tms5220)
{
riot_portb_data &= ~0x0c;
if (!tms5220_ready_r()) riot_portb_data |= 0x04;
if (!tms5220_int_r()) riot_portb_data |= 0x08;
}
return riot_portb_data;
case 0x03: /* port B DDR */
return riot_portb_ddr;
}
}
/* interrupt flags are read if A2 == 1 and A0 == 1 */
else if (offset & 0x01)
{
int temp = riot_irq_flag;
riot_irq_flag = 0;
riot_irq_state = 0;
update_irq_state(0);
return temp;
}
/* timer count is read if A2 == 1 and A0 == 0 */
else
{
/* set the enable from the offset */
riot_timer_irq_enable = offset & 0x08;
/* compute the timer based on the current state */
switch (riot_state)
{
case RIOT_IDLE:
return 0x00;
case RIOT_COUNT:
return attotime_to_double(timer_timeleft(riot_timer)) * SH6532_CLOCK / riot_clock_divisor;
case RIOT_POST_COUNT:
return attotime_to_double(timer_timeleft(riot_timer)) * SH6532_CLOCK;
}
}
logerror("Undeclared RIOT read: %x PC:%x\n",offset,activecpu_get_pc());
return 0xff;
}
static READ8_DEVICE_HANDLER( r6532_porta_r )
{
if (has_tms5220)
{
running_device *tms = devtag_get_device(device->machine, "tms");
logerror("(%f)%s:TMS5220 status read = %02X\n", attotime_to_double(timer_get_time(device->machine)), cpuexec_describe_context(device->machine), tms5220_status_r(tms, 0));
return tms5220_status_r(tms, 0);
}
else
return 0xff;
}
static MACHINE_RESET( beathead )
{
/* reset the common subsystems */
atarigen_eeprom_reset();
atarigen_interrupt_reset(update_interrupts);
atarijsa_reset();
/* the code is temporarily mapped at 0 at startup */
/* just copying the first 0x40 bytes is sufficient */
memcpy(ram_base, rom_base, 0x40);
/* compute the timing of the HBLANK interrupt and set the first timer */
hblank_offset = attotime_to_double(video_screen_get_scan_period(machine->primary_screen)) * ((455. - 336. - 25.) / 455.);
timer_set(machine, double_to_attotime(attotime_to_double(video_screen_get_time_until_pos(machine->primary_screen, 0, 0)) - hblank_offset), NULL, 0, scanline_callback);
/* reset IRQs */
irq_line_state = CLEAR_LINE;
irq_state[0] = irq_state[1] = irq_state[2] = 0;
irq_enable[0] = irq_enable[1] = irq_enable[2] = 0;
}
static WRITE8_DEVICE_HANDLER( r6532_porta_w )
{
if (has_mc3417)
cputag_set_input_line(device->machine, "cvsdcpu", INPUT_LINE_RESET, (data & 0x10) ? CLEAR_LINE : ASSERT_LINE);
if (has_tms5220)
{
running_device *tms = devtag_get_device(device->machine, "tms");
logerror("(%f)%s:TMS5220 data write = %02X\n", attotime_to_double(timer_get_time(device->machine)), cpuexec_describe_context(device->machine), riot6532_porta_out_get(riot));
tms5220_data_w(tms, 0, data);
}
}
static TIMER_CALLBACK( schaser_effect_555_cb )
{
mw8080bw_state *state = machine->driver_data<mw8080bw_state>();
int effect = param;
attotime new_time;
/* Toggle 555 output */
state->schaser_effect_555_is_low = !state->schaser_effect_555_is_low;
state->schaser_effect_555_time_remain = attotime_zero;
state->schaser_effect_555_time_remain_savable = attotime_to_double(state->schaser_effect_555_time_remain);
if (state->schaser_effect_555_is_low)
new_time = attotime_div(PERIOD_OF_555_ASTABLE(0, RES_K(20), CAP_U(1)), 2);
else
{
if (effect)
new_time = attotime_make(0, ATTOSECONDS_PER_SECOND * .8873 * schaser_effect_rc[effect]);
else
new_time = attotime_never;
}
timer_adjust_oneshot(state->schaser_effect_555_timer, new_time, effect);
sn76477_enable_w(state->sn, !(state->schaser_effect_555_is_low || state->schaser_explosion));
sn76477_one_shot_cap_voltage_w(state->sn, !(state->schaser_effect_555_is_low || state->schaser_explosion) ? 0 : SN76477_EXTERNAL_VOLTAGE_DISCONNECT);
}
static TIMER_DEVICE_CALLBACK( scanline_callback )
{
int scanline = param;
/* update the video */
video_screen_update_now(timer->machine->primary_screen);
/* on scanline zero, clear any halt condition */
if (scanline == 0)
cputag_set_input_line(timer->machine, "maincpu", INPUT_LINE_HALT, CLEAR_LINE);
/* wrap around at 262 */
scanline++;
if (scanline >= MAX_SCANLINES)
scanline = 0;
/* set the scanline IRQ */
irq_state[2] = 1;
update_interrupts(timer->machine);
/* set the timer for the next one */
timer_device_adjust_oneshot(timer, double_to_attotime(attotime_to_double(video_screen_get_time_until_pos(timer->machine->primary_screen, scanline, 0)) - hblank_offset), scanline);
}
static void timer_logtimers(void)
{
emu_timer *t;
logerror("===============\n");
logerror("TIMER LOG START\n");
logerror("===============\n");
logerror("Enqueued timers:\n");
for (t = timer_head; t; t = t->next)
logerror(" Start=%15.6f Exp=%15.6f Per=%15.6f Ena=%d Tmp=%d (%s:%d[%s])\n",
attotime_to_double(t->start), attotime_to_double(t->expire), attotime_to_double(t->period), t->enabled, t->temporary, t->file, t->line, t->func);
logerror("Free timers:\n");
for (t = timer_free_head; t; t = t->next)
logerror(" Start=%15.6f Exp=%15.6f Per=%15.6f Ena=%d Tmp=%d (%s:%d[%s])\n",
attotime_to_double(t->start), attotime_to_double(t->expire), attotime_to_double(t->period), t->enabled, t->temporary, t->file, t->line, t->func);
logerror("==============\n");
logerror("TIMER LOG STOP\n");
logerror("==============\n");
}
static void timer_logtimers(running_machine *machine)
{
timer_private *global = machine->timer_data;
emu_timer *t;
logerror("===============\n");
logerror("TIMER LOG START\n");
logerror("===============\n");
logerror("Enqueued timers:\n");
for (t = global->activelist; t; t = t->next)
logerror(" Start=%15.6f Exp=%15.6f Per=%15.6f Ena=%d Tmp=%d (%s:%d[%s])\n",
attotime_to_double(t->start), attotime_to_double(t->expire), attotime_to_double(t->period), t->enabled, t->temporary, t->file, t->line, t->func);
logerror("Free timers:\n");
for (t = global->freelist; t; t = t->next)
logerror(" Start=%15.6f Exp=%15.6f Per=%15.6f Ena=%d Tmp=%d (%s:%d[%s])\n",
attotime_to_double(t->start), attotime_to_double(t->expire), attotime_to_double(t->period), t->enabled, t->temporary, t->file, t->line, t->func);
logerror("==============\n");
logerror("TIMER LOG STOP\n");
logerror("==============\n");
}
static WRITE8_HANDLER( exidy_shriot_w )
{
/* I/O is done if A2 == 0 */
if ((offset & 0x04) == 0)
{
switch (offset & 0x03)
{
case 0: /* port A */
if (has_mc3417)
cpunum_set_input_line(machine, 2, INPUT_LINE_RESET, (data & 0x10) ? CLEAR_LINE : ASSERT_LINE);
riot_porta_data = (riot_porta_data & ~riot_porta_ddr) | (data & riot_porta_ddr);
break;
case 1: /* port A DDR */
riot_porta_ddr = data;
break;
case 2: /* port B */
if (has_tms5220)
{
if (!(data & 0x01) && (riot_portb_data & 0x01))
{
riot_porta_data = tms5220_status_r(machine, 0);
logerror("(%f)%04X:TMS5220 status read = %02X\n", attotime_to_double(timer_get_time()), activecpu_get_previouspc(), riot_porta_data);
}
if (!(data & 0x02) && (riot_portb_data & 0x02))
{
logerror("(%f)%04X:TMS5220 data write = %02X\n", attotime_to_double(timer_get_time()), activecpu_get_previouspc(), riot_porta_data);
tms5220_data_w(machine, 0, riot_porta_data);
}
}
riot_portb_data = (riot_portb_data & ~riot_portb_ddr) | (data & riot_portb_ddr);
break;
case 3: /* port B DDR */
riot_portb_ddr = data;
break;
}
}
/* PA7 edge detect control if A2 == 1 and A4 == 0 */
else if ((offset & 0x10) == 0)
{
riot_PA7_irq_enable = offset & 0x03;
}
/* timer enable if A2 == 1 and A4 == 1 */
else
{
static const int divisors[4] = { 1, 8, 64, 1024 };
/* make sure the IRQ state is clear */
if (riot_state != RIOT_COUNT)
riot_irq_flag &= ~0x80;
riot_irq_state = 0;
update_irq_state(0);
/* set the enable from the offset */
riot_timer_irq_enable = (offset & 0x08) ? 1 : 0;
/* set a new timer */
riot_clock_divisor = divisors[offset & 0x03];
timer_adjust_oneshot(riot_timer, attotime_mul(ATTOTIME_IN_HZ(SH6532_CLOCK), data * riot_clock_divisor), 0);
riot_state = RIOT_COUNT;
}
}
UINT32 via6522_device::time_to_cycles(attotime t)
{
return attotime_to_double(attotime_mul(t, clock()));
}
static double calc_plunger_pos(running_machine *machine)
{
mgolf_state *state = machine->driver_data<mgolf_state>();
return (attotime_to_double(timer_get_time(machine)) - attotime_to_double(state->time_released)) * (attotime_to_double(state->time_released) - attotime_to_double(state->time_pushed) + 0.2);
}
static double calc_plunger_pos(running_machine *machine)
{
return (attotime_to_double(timer_get_time(machine)) - attotime_to_double(time_released)) * (attotime_to_double(time_released) - attotime_to_double(time_pushed) + 0.2);
}
static double make_fraction(attotime a, attotime b, double timediv)
{
/* fraction = (a - b) / timediv */
return attotime_to_double(attotime_sub(a, b)) / timediv;
}
static double calc_plunger_pos(void)
{
return (attotime_to_double(timer_get_time()) - attotime_to_double(time_released)) * (attotime_to_double(time_released) - attotime_to_double(time_pushed) + 0.2);
}
