h8b.c

51单片机程序C和汇编

#include <reg51.h>

sbit DAT = P1^0;
sbit CLK = P1^1;

void Send164(unsigned char b)
{
  unsigned char i;

  CLK = 1;
  for (i=0; i<8; i++) {
    DAT = (b & 1);
    CLK = 0;
    CLK = 1;
    b >>= 1;
  }
}

void main()
{
  Send164(0x55);
  while(1);
}