bcount.c

来自「Parallel port interfacing」· C语言 代码 · 共 17 行

/**************************
bcount : visual C++ version

*************************/
#include <conio.h> /*required for _outp*/
#include <windows.h>  /*required for _sleep*/

int main()
{
	int x;
	for(x = 0;x<=255;x++)
	{
		_outp(0x378,x); 
		_sleep(250); /*250 ms delay*/
	}
	return 0;
}