h4.c

来自「51单片机程序C和汇编」· C语言 代码 · 共 14 行

xdata unsigned char CS273 _at_ 0x8000;

void main()
{
  unsigned char i, b;

  b = 1;
  for (i=0; i<8; i++) {
    CS273 = b;
    b <<= 1;
  }
}