exp_4_1.c

单片机硬件实验代码

 #include "reg51.h"
 
long  data a  _at_ 0x30;
long  data b  _at_ 0x40;
long  data c  _at_ 0x50;

void main()
{
	a = 0x12;
	b = 0xa;
	c = a * b;
}