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┤     │",

                   "├───┴┴┘└┴┘└┴┘└┴┘└┴┘└┴┘└┴┘└┴┴───┤",

                   "│                     《音乐发生器》                       │",

                   "├──────────────────────────────┤",

                   "│                                                           │",

                   "├──────────────────────────────┤",

                   "│                                                           │",

                   "│                   A.播放第一首音乐                       │",

                   "│                   B.播放第二首音乐                       │",

                   "│                   C.播放第三首音乐                       │",

                   "│                   Q.退出该程序                           │",

                   "│                                                           │",

                   "├──────────────────────────────┤",

                   "│   制作：王康                                             │",

                   "│   日期：年月日                                    │",

                   "│                                                            │",

                   "└──────────────────────────────┘"};

const char * end_file[]={

                   " ",

                   "┌─────┐   ┌─┐┌─┐     ┌─┐┌─┐   ┌─────┐",

                   "│★★★★★├☆☆┤个││人├☆☆☆┤简││介├☆☆┤★★★★★│",

                   "├─────┘   └─┘└─┘ ☆ └─┘└─┘   └─────┤",

                   "├───────────────☆───────────────┤",

                   "│姓名：王康                                                   │",

                   "├───────────────────────────────┤",

                   "│性别：男                                                     │",

                   "├───────────────────────────────┤",

                   "│班级：                                                        │",

                   "├───────────────────────────────┤",

                   "│电话：--XXXXXXXX                                          │",

                   "├───────────────────────────────┤",

                   "│QQ号：                                                │",

                   "├───────────────────────────────┤",

                   "│邮箱：[e-mail]                                            │",

                   "├───────────────────────────────┤",   

                   "│                        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();

}