song.h

c游戏编程从入门到精通_全部源代码和文档

void Sound(int freq)
{
	asm{
	mov   al,   0B6h
	out   43h,  al
	mov   dx,   12h
	mov   ax,   34DEh
	div   freq
	out   42h,  al
	mov   al,   ah
	out   42h,  al
	in    al,   61h
	or    al,   3
	out   61h,  al
	}
}

void Nosound(void)
{
	asm{
	in    al,   61h
	and   al,   252
	out   61h,  al
	}
}

void Sound_All(int freq,int clicks)
{
Sound(freq);
Delay(clicks);
Nosound();
}