cpunum_set_input_line()


Set the logical state of an input line on a CPU.

Syntax


Declaration

Declared in src/emu/cpuint.h as

void cpunum_set_input_line(running_machine *machine, int cpunum, int line, int state);

Parameters

  • machine – Pointer to the machine where this CPU is running
  • cpunum – Index to the CPU
  • line – The IRQ to set, those are generally defined in the appropriate CPU header files
  • state – The logical state to set. Possible values are ASSERT_LINE, HOLD_LINE, CLEAR_LINE and PULSE_LINE

Returns

Nothing.

Example


cpunum_set_input_line(machine, 1, M6809_FIRQ_LINE, ASSERT_LINE);
This call will change the state of the M6809_FIRQ_LINE of the second CPU to ASSERT_LINE, meaning that the CPU will now take this interrupt if interrupts are enabled.

See Also