c_func.c

来自「这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》」· C语言 代码 · 共 16 行

 #pragma code
  extern void A_FUNC(int *); /* A_FUNC sets min to 0 then 
                                calls c_func() */
  
  void c_func(int *iptr) {
  	*iptr = 0x9988;
  }
  
  void main (void) {
  	idata int min = 0x2211;
  	while (1) {
  		A_FUNC(&min);
  		min = 0x6655;
  	}
  }