#include <reg51.h>
sbit P1b0 =  P1^0;
sbit ACCMSB = ACC^7;
void main(void)
  { 
    unsigned char conbyte = 0x44;
    unsigned char x;
    for(x=0; x<8; x++)
      {
        ACCMSB = P1b0;
        ACC = ACC >> 1;
      }
    P2=ACC; 
  }