仿真没问题，但实物数码管一直乱码闪烁，求教

#include <AT89X52.H> unsigned char code dispbitcode[]={0xfe,0xfd,0xfb,0xf7, 0xef,0xdf,0xbf,0x7f}; unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; unsigned char dispbuf[8]={10,10,10,10,10,0,0,0}; unsigned char dispcount;unsigned char getdata; unsigned int temp; long int i;unsigned int R1; sbit ST=P3^0; sbit OE=P3^1; sbit EOC=P3^2; sbit CLK=P3^3; void display(){ P2=0xff; P1=dispcode[dispbuf[dispcount]]; P2=dispbitcode[dispcount]; if(dispcount==5) { P1=P1 | 0x80; } dispcount++; if(dispcount==8) { dispcount=0; } } void main(void) { int rx; ST=0; OE=0; ET0=1; ET1=1; EA=1; TMOD=0x12; TH0=216; TL0=216; TH1=(65536-5000)/256; TL1=(65536-5000)%256; TR1=1; TR0=1; ST=1; ST=0; while(1) { if(EOC==1) { OE=1; getdata=P0; OE=0; i=getdata*196; rx = 50000 - i; i = i/100 ; rx = (rx / i)*100; dispbuf[4] = rx / 1000; dispbuf[5] = rx %1000/100; dispbuf[6] = rx %100/ 10; dispbuf[7] = rx % 10; ST=1; ST=0; } display(); } } void t0(void) interrupt 1 using 0 //定时器0 中断服务{ CLK=~CLK; } void t1(void) interrupt 3 using 0 //定时器1 中断服务{ TH1=(65536-6000)/256; TL1=(65536-6000)%256; 做的是兆欧表的设计，用的分压法测电阻，本来是要两个档位，不过换挡的判断程序不会加