单片机 数码管0-9循环显示（软件延时）

#include<regx51.h>
unsigned char code led[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
	void delay_50ms(unsigned int i){
while(i--);
	}
  void main(void){
		char i=0;
		while(1){
			for(i=0;i<10;i++){
				P1=led[i];
				delay_50ms(60000);
			}
		}
	}