原创 点阵99秒显示proteus程序

https://static.assets-stash.eet-china.com/album/old-resources/2009/5/14/b173a32b-9120-48cf-9766-e4e752a36002.rar                #include <reg51.h>
unsigned char code tab[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unsigned char code digittab[13][8]={0xff,0xff,0xc1,0xbe,0xbe,0xc1,0xff,0xff, //0
                                    0xff,0xff,0xff,0xff,0xde,0x80,0xfe,0xff, //1
                                    0xff,0xff,0xd8,0xba,0xba,0xba,0xc6,0xff, //2
                                    0xff,0xff,0xdd,0xb6,0xb6,0xb6,0xc9,0xff, //3
                                    0xff,0xff,0xf3,0xeb,0xdb,0x80,0xfb,0xff, //4
                                    0xff,0xff,0x8d,0xae,0xae,0xae,0xb1,0xff, //5
                                    0xff,0xff,0xc1,0xb6,0xb6,0xb6,0xd9,0xff, //6
                                    0xff,0xff,0xbf,0xbf,0xbf,0xb0,0x8f,0xff, //7
                                    0xff,0xff,0xc9,0xb6,0xb6,0xb6,0xc9,0xff, //8
                                    0xff,0xff,0xcd,0xb6,0xb6,0xb6,0xc1,0xff,
         0xcf,0xb7,0xbb,0xdd,0xbb,0xb7,0xcf,0xff ,
         0xed,0xeb,0xc3,0xb7,0xc3,0xeb,0xed,0xff,
                                    0xff,0xff,0xc7,0xbb,0xbb,0xbb,0xc7,0xff  //9
                                    };

unsigned int timecount;
unsigned char cnta;
unsigned char sec;

void main(void)
{
  TMOD="0x02";
  TH0=0x06;
  TL0=0x06;
  TR0=1;
  ET0=1;
  EA="1";
  while(1)
    {;
    }
}

void t0(void) interrupt 1 using 0
{
  P2=tab[cnta];
  P1=digittab[sec/10][cnta];
  P3=tab[cnta];
  P0=digittab[sec%10][cnta];
  cnta++;
  if(cnta==8)
    {
      cnta="0";
    }
  timecount++;
  if(timecount==4000)
    {
      timecount="0";
      sec++;
      if(sec==100)
        {
          sec="0";
         
        }
    }
}