#include <absacc.h>
#include <reg51.h>

#define uchar unsigned char
#define IN0  XBYTE[0x7ff8]
sbit ad_busy=P3^3;

void  ad0809 (uchar idata *x)
{ uchar i;
  uchar xdata *ad_adr; 
  ad_adr=&IN0;
  for(i=0;i<8;i++)
  { *ad_adr=0;
    i=i;
    i=i;
    while(ad_busy==1);
    x[i]=*ad_adr;
    ad_adr++;
   
  }
 }

void main(void)
 { static uchar idata ad[10];
      ad0809(ad);
 }