run.c

简单的虚拟机

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "run.h"
#include "decode.h"
void run()
{
	int tick=0;
	hlt=false;	/* decode.h */

	/* enable interrupt */
	cpu.flags |= FLAG_I;

	while(!hlt)
	{
		hlt = decode();
		tick++;
	}
	printf("\n==================================================\n");
	printf("run(): return value: al=%d\n",*greg8_addr(0));
	printf("run(): cpu ticks %d times!\n",tick);
}

void shutDown()
{
	if(cpu.ram)
		free(cpu.ram);
}