C语言嵌入汇编实现音乐发声器

*sound.h*/
#include <stdio.h>
#include <conio.h>
#define NOO 1450
int music1[8][6]={
{262,262,294,262,349},
{330,262,262,294,262},
{392,349,262,262,523},
{440,349,262,262,466},
{466,440,262,392,349}
};
int time1[8][6]={
{100,100,200,200,200},
{200,200,100,100,200},
{200,200,200,200,200},
{200,200,200,200,200},
{100,200,200,200,200}
};
int music2[3][10]={
{330,392,330,294,330,392,330,294,330,330},
{330,392,330,294,262,294,330,392,294,294},
{262,262,220,196,196,220,262,294,332,262}
};
int time2[3][11]={
{200,200,200,100,100,200,100,100,200,200},
{200,200,100,100,200,200,100,100,200,200},
{200,100,100,200,100,100,200,100,100,400}
};
int music3[4][11]={
{441,393,330,393,131,441,393,441,441,1450,1450},
{330,393,441,393,330,262,882,393,330,294,294},
{294,330,393,393,441,330,294,262,262,1450,1450},
{393,330,294,262,882,262,786,786,786,1450,1450}
};
int time3[4][11]={
{200,100,200,200,200,100,100,200,200,0,0},
{200,100,100,200,200,100,100,100,100,200,200},
{200,100,200,100,100,200,200,200,200,0,0},
{200,100,100,100,100,100,200,200,200,0,0}
};
const char * process_file[]={
" ",
"┌───┬┬┐┌┬┐┌┬┐┌┬┐┌┬┐┌┬┐┌┬┐┌┬┬───┐",
"│ ├接┤├口┤├技┤├术┤├课┤├程┤├设┤├计┤ │",
",
"│ ***： │",
"│ 日期：年月日 │",
"│ │",
"└──────────────────────────────┘"};
const char * end_file[]={


"├───────────────────────────────┤",
"│ 谢谢您的使用 │",
"└───────────────────────────────┘"};
void light(int a)
{
asm MOV DX,283H
asm MOV AL,80H
asm OUT DX,AL
asm MOV DX,280H
asm MOV AL,0H;
asm OUT DX,AL
switch(a)
{
case 262:
case 131:
asm MOV AL,01H
asm OUT DX,AL
break;
case 294:
asm MOV AL,03H
asm OUT DX,AL
break;
case 330:
asm MOV AL,07H
asm OUT DX,AL
break;
case 350:
asm MOV AL,0FH
asm OUT DX,AL
break;
case 393:
case 786:
asm MOV AL,1FH
asm OUT DX,AL
break;
case 441:
case 882:
asm MOV AL,3FH
asm OUT DX,AL
break;
case 495:
asm MOV AL,7FH
asm OUT DX,AL
break;
};
}
void sound_A(int a,int b)
{
int i=0;
asm MOV DI,a /*选择号计数器，先写低字节，后写高字节，选择工作方式，二进制*/
asm MOV AL,10110110B
asm MOV DX,12H
asm MOV AX,34DEH
asm DIV DI
asm OUT 42H,AL /*先送低字节到号计数器*/
asm MOV AL,AH /*取高字节送AL*/
asm OUT 42H,AL /*后送高字节到号计数器*/
asm IN AL,61H /*读入的PB口原输出值*/
asm MOV AH,AL
asm OR AL,3 /*8255的PB0口PB1口输出有效*/
asm OUT 61H,AL
/*调用灯亮函数*/
light(a);
/*时间延迟*/
for(i=0;i<b;i++)
{
delay(2000);
}
/*关闭扬声器*/
asm MOV AL,AH
asm OUT 61H,AL
}
void sound(char a)
{
int i,j;
if(a=='a')
{
for(i=0;i<5;i++)
{
for(j=0;j<5;j++)
{
sound_A(music1[i][j],time1[i][j]);
}
}
}
else if(a=='b')
{
for(i=0;i<3;i++)
{
for(j=0;j<11;j++)
{
sound_A(music2[i][j],time2[i][j]);
}
}
}
else if(a=='c')
{
for(i=0;i<4;i++)
{
for(j=0;j<11;j++)
{
sound_A(music3[i][j],time3[i][j]);
}
}
}
else
{
printf("/t对不起，没有该音乐！/n");
}
}
void face()
{
int i;
system("cls");
for(i=0;i<19;i++)
{
printf("/t%s/n",process_file[i]);
delay(20000);
}
printf("/t请输入您的指令：");
}
void endface()
{
int i;
system("cls");
for(i=0;i<19;i++)
{
printf("/t%s/n",end_file[i]);
delay(20000);
}
printf("/t");
}
void operate()
{
char a;
face();
while(1)
{
a=getche();
switch(a)
{
case 'a':
case 'A':
sound('a');
printf("/n/t音乐播放结束，谢谢你的收听，点任意键继续！");
getch();
face();
break;
case 'b':
case 'B':
sound('b');
printf("/n/t音乐播放结束，谢谢你的收听，点任意键继续！");
getch();
face();
break;
case 'c':
case 'C':
sound('c');
printf("/n/t音乐播放结束，谢谢你的收听，点任意键继续！");
getch();
face();
break;
case 'q':
case 'Q':
endface();
exit(1);
break;
default:
printf("/t您的输入有误,请核实，谢谢！");
getch();
face();
break;
}
}
}
/*sound.c*/

#include "sound.h"
void operate();
void main()
{
operate();
}