* interrupts.c (interrupts_reset): New function, setup interrupt

	* interrupts.c (interrupts_reset): New function, setup interrupt
	vector address according to cpu mode.
	(interrupts_initialize): Move reset portion to the above.
	(interrupt_names): New table to give a name to interrupts.
	(idefs): Handle pulse accumulator interrupts.
	(interrupts_info): Print the interrupt history.
	(interrupt_option_handler): New function.
	(interrupt_options): New table of options.
	(interrupts_update_pending): Keep track of when interrupts are
	raised and implement breakpoint-on-raise-interrupt.
	(interrupts_process): Keep track of when interrupts are taken
	and implement breakpoint-on-interrupt.
	* interrupts.h (struct interrupt_history): Define.
	(struct interrupt): Keep track of the interrupt history.
	(interrupts_reset): Declare.
	(interrupts_initialize): Update prototype.
	* m68hc11_sim.c (cpu_reset): Reset interrupts.
	(cpu_initialize): Cleanup.