STC51单片机18-8x8 Led点阵仿真资源

#include <reg51.H> sbit P20=P2^0; unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; unsigned char code graph[3][8]={{0x12,0x14,0x3c,0x48,0x3c,0x14,0x12,0x00}, {0x00,0x00,0x38,0x44,0x44,0x44,0x38,0x00}, {0x30,0x48,0x44,0x22,0x44,0x48,0x30,0x00} }; unsigned char count; unsigned char cnta; void main(void) { unsigned char i,j; TMOD=0x01; TH0=(65536-4000)/256; TL0=(65536-4000)%256; TR0=1; ET0=1; EA=1; while(1) { if(P20==0) { for(i=5;i>0;i--) for(j=248;j>0;j--); if(P20==0) { count++; if(count==3) { count=0; } while(P20==0); } } } } void t0(void) interrupt 1 using 0 { TH0=(65536-4000)/256; TL0=(65536-4000)%256; P3=tab[cnta]; P1=graph[count][cnta]; cnta++; if(cnta==8) { cnta=0; } }