调频电子琴的c源码
来源:互联网 发布:传智播客python视频 编辑:程序博客网 时间:2024/04/30 16:03
本程序可直接运行于TC2.0环境下
#include "stdio.h"
#include "dos.h"
#include "bios.h"
#include "graphics.h"
int ioport=0x388;
void writeFM(char reg,char data);
char readFM();
void FMsound(int frequency,int block);
void delayFM(int time);
void FMdelay(int time);
void FMsoundoff(int frequency,int block);
void bar3Dpress(int left,int top,int right,int bottom);
void bar3D(int left,int top,int right,int bottom);
void initpiano();
int key[21][2]={131,0x7a,147,0x78,165,0x63,175,
0x76,196,0x62,220,0x6e,247,0x6d,
262,0x61,294,0x73,330,0x64,349,0x66,
392,0x67,440,0x68,494,0x6a,524,0x71,
587,0x77,659,0x65,698,0x72,784,
0x74,880,0x79,998,0x75};
void main()
{
int gd=DETECT,gm,cursound=0,i;
char input;
char * mask;
initgraph(&gd,&gm,"");
cleardevice();
setfillstyle(XHATCH_FILL,BLUE);
bar(0,0,639,479);
mask=(char *)malloc(imagesize(0,0,28,200));
getimage(0,0,28,200,mask);
bar3D(0,90,639,320);
for(i=0;i<21;i++)
{
bar3D(i*30+5,200,i*30+32,300);
}
bar3D(5,100,630,190);
settextstyle(0,0,3);
setcolor(BLUE);
outtextxy(172,122,"FM PIANO DELUX");
setcolor(LIGHTBLUE);
outtextxy(170,120,"FM PIANO DELUX");
settextstyle(0,0,1);
setcolor(BLACK);
outtextxy(220,150,"Produced by suprman 99.9.6");
outtextxy(220,165," Copyleft K.NET Software");
initpiano();
do
{
input=getch();
for(i=0;i<21;i++)
{ if(key[i][1]==input)
{ /*putimage(i*30+5,200,mask,XOR_PUT);*/
bar3Dpress(i*30+5,200,i*30+32,300);
FMsoundoff(cursound,4);
FMsound(key[i][0],4);
cursound=key[i][0];
FMdelay(1);
bar3D(i*30+5,200,i*30+32,300);
/*putimage(i*30+5,200,mask,XOR_PUT);*/
}
}
}while(input!=27);
closegraph();
free(mask);
}
void writeFM(char reg,char data)
{ outportb(ioport,reg);
delay(1);
outportb(ioport+1,data);
delay(2);
}
char readFM()
{ char data;
data=inportb(ioport);
return(data);
}
void FMsound(int frequency,int block)
{int fnh,fnl,block2,blfnh,kblfnh,key;
fnl=frequency&0x00ff;
fnh=frequency&0xff00;
fnh=fnh>>8;
block2=block<<2;
blfnh=fnh|block2;
key=0x20;
kblfnh=blfnh|key;
writeFM(0xa0,fnl);
writeFM(0xb0,kblfnh);
}
void delayFM(int time)
{ unsigned char sl,i;
writeFM(0x04,0x80);
writeFM(0x03,216);
writeFM(0x04,0x42);
for(i=1;i<time;i++)
{ do {sl=readFM();
sl=sl&0x00e0;
}while(sl<0xa0);
writeFM(0x04,0x82);
}
}
void FMdelay(int time)
{ int i;
for(i=time;i>=0;i--)
delayFM(5);
}
void FMsoundoff(int frequency,int block)
{int fnh,fnl,block2,blfnh,kblfnh,key;
fnh=frequency&0x00ff;
fnh=fnh>>8;
block2=block<<2;
blfnh=fnh|block2;
key=0x00;
kblfnh=blfnh|key;
writeFM(0xb0,kblfnh);
}
void bar3Dpress(int left,int top,int right,int bottom)
{setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(left,top,right,bottom);
setcolor(BLACK);
line(left,top,left,bottom);
line(left,top,right,top);
setcolor(WHITE);
line(right,top,right,bottom);
line(left,bottom,right,bottom);
}
void bar3D(int left,int top,int right,int bottom)
{setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(left,top,right,bottom);
setcolor(WHITE);
line(left,top,left,bottom);
line(left,top,right,top);
setcolor(BLACK);
line(right,top,right,bottom);
line(left,bottom,right,bottom);
}
void initpiano()
{ writeFM(1,0);
writeFM(8,0);
writeFM(0xbd,0x00);
writeFM(0x20+0,0x21);
writeFM(0x20+3,0x11);
writeFM(0x40+0,0x4c);
writeFM(0x40+3,0x00);
writeFM(0x60+0,0xd2);
writeFM(0x60+3,0xd2);
writeFM(0x80+0,0x32);
writeFM(0x80+3,0x11);
writeFM(0xe0+0,0x00);
writeFM(0xe0+3,0x00);
writeFM(0xc0+0,0x04);
}
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