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┤     │",

                    ",

                   "│   制作：                                             │",

                   "│   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();

}