51单片机:8x8点阵显示心形图案

单片机开发板是自己做的，电路很简单8*8点阵的行和列分别接在单片机的p0口和p1口，p0口记得要上拉电阻哦，我测试成功见图片，

#include reg52.H>unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};unsigned char code graph[]={0x30,0x48,0x44,0x22,0x44,0x48,0x30,0x00};unsigned char cnta;void main(void){unsigned int i,j;TMOD=0x01;TH0=(65536-2000)/256;TL0=(65536-2000)%256;TR0=1;ET0=1;EA=1;while(1){}}void t0(void) interrupt 1 using 0{TH0=(65536-2000)/256;TL0=(65536-2000)%256;P1=tab[cnta];P0=graph[cnta];cnta++;if(cnta==8){cnta=0;}}