shuma.rar_数码管动态显示

#include<reg52.h> void delay (unsigned int k); unsigned char a[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90, }; sbit p28=P2^7; sbit p27=P2^6; sbit p26=P2^5; sbit p25=P2^4; void main() { while(1) { p28=0; p27=0; p26=0; p25=1; P0=a[2]; delay(10); p28=0; p27=0; p26=1; p25=0; P0=a[0]; delay(10); p28=0; p27=1; p26=0; p25=0; P0=a[9]; delay(10); } } void delay (unsigned int k) { unsigned int i,j; for(i=0;i<k;i++) for(j=0;j<k;j++); }