#include <mc9s12dp512.h>
#define PB0 PORTB_BIT0
void main(void)
  { 
    unsigned char conbyte = 0x88;
    unsigned char regAMSB;
    unsigned char x;
    regAMSB = conbyte;
    DDRB_BIT0 = 1;		
    for(x=0;x<8;x++)
      {
        PB0 = (regAMSB >> 7) & 0x01;
        regAMSB = regAMSB << 1;
      }
  }