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generic_pulse_line() now takes into account clock scaling and minimum cycles.

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This commit is contained in:
Aaron Giles 2008-12-09 07:31:46 +00:00
parent b319755f9e
commit e62a46a8ee
1 changed files with 3 additions and 1 deletions
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4
src/emu/machine/generic.c
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@ -610,9 +610,11 @@ static TIMER_CALLBACK( irq_pulse_clear )
void generic_pulse_irq_line(const device_config *device, int irqline) void generic_pulse_irq_line(const device_config *device, int irqline)
{ {
int multiplier = cpu_get_clock_multiplier(device);
int clocks = (cpu_get_min_cycles(device) * cpu_get_clock_divider(device) + multiplier - 1) / multiplier;
assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET); assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET);
cpu_set_input_line(device, irqline, ASSERT_LINE); cpu_set_input_line(device, irqline, ASSERT_LINE);
timer_set(device->machine, cpu_clocks_to_attotime(device, 1), (void *)device, irqline, irq_pulse_clear); timer_set(device->machine, cpu_clocks_to_attotime(device, MAX(clocks, 1)), (void *)device, irqline, irq_pulse_clear);
} }