Mine Sweeper Game

#include <stdio.h>
#include <conio.h>
#include <graphics.h>
#include <dos.h>
#include <stdlib.h>
#include <time.h>
#define MROW 8
#define MCOL 8
#define MINES 5
#define BSIZE 15
union REGS i,o;
//9 for mines
main()
{
int bm=DETECT,bg=DETECT,maxx,maxy,button,x,y,i,j,checkx,checky,nclick;
int arr[8][8],dot[MINES];
int count1,count2;
int row,col;
time_t t;
clrscr();
initgraph(&bm,&bg,"e:\tcc\bgi");
maxx=getmaxx();
maxy=getmaxy();
if(initmouse()==0)
         {
         closegraph();
         restorecrtmode();
         printf("MOUSE NOT FOUND");
         exit(1);
         }
while(!kbhit())
         {
         char loop='t';
         setcolor(WHITE);
         setviewport(0,0,getmaxx(),getmaxy(),1);
         clearviewport();
         showmouse();
         //It Blanks the Array
         for(i=0;i<MROW;i++)
                 for(j=0;j<MCOL;j++)
                         arr[i][j]=0;
         //put mines in random blocks
         srand((unsigned) time(&t));
         for(i=0;i<MINES;i++)
                 {
                 dot[i]=rand()%64;
                 for(j=0;j<i;j++)
                         if(dot[i]==dot[j])
                                 break;
                 if(i!=j)
                         {
                         i--;
                         continue;
                         }
                 else
                         {
                         row=dot[i]/MROW;
                         col=dot[i]%MCOL;
                         arr[row][col]=9;
                         }
                 }
         //put mines value in other blocks
         for(row=0;row<MROW;row++)
                 {
                 for(col=0;col<MCOL;col++)
                         {
                         if(arr[row][col]!=9)        //No Mine
                                 {
                                 int i,num=0,temp,ecol,erow,startrow;
                                 temp=col==0?col:col-1;
                                 ecol=col!=MCOL-1?col+1:col;
                                 startrow=row==0?row:row-1;
                                 erow=row==MROW-1?row:row+1;
                                 for(i=startrow;i<=erow;i++)
                                         for(j=temp;j<=ecol;j++)
                                                 if(arr[i][j]==9)
                                                         num++;
                                 arr[row][col]=num;
                                 }
                         }
                 }

         rectangle(0,0,maxx,maxy);
         //sets view port to the play area only
         setviewport(200,190,385,370,1);
         nclick=0;
         while(!kbhit()&&loop=='t')
                 {
                 int row=10,col=5;
                 setlinestyle(0,0,3);
                 rectangle(row-5,col-3,row*17,col*33); //Draws outer block
                 setlinestyle(0,0,2);
                 for(i=0;i<MROW;i++)
                         {
                         for(j=0;j<MCOL;j++)
                                 {
                                 rectangle(row,col,row+BSIZE,col+BSIZE);
                                 if(arr[i][j]!=9)
                                         {
                                         int temp[3];
                                         if(arr[i][j]>=80)
                                                 outtextxy(row+4,col+4,"F");
                                         else
                                                 if(arr[i][j]>=50)
                                                 {
                                                 itoa((arr[i][j]-50),temp,10);
                                                 outtextxy(row+BSIZE/2,col+BSIZE/2,temp);
                                                 }
                                         }
                                 row+=BSIZE+5;
                                 }
                         row=10;
                         col+=BSIZE+5;
                         }
                 if(nclick==MROW*MCOL-MINES)
                         {
                         setviewport(0,0,getmaxx(),getmaxy(),1);
                         outtextxy(200,100,"CONGRATS! YOU WON THE GAME");
                         getch();
                         loop='f';
                         }
                 getpos(&button,&x,&y);

                 //puts F tag in Array
                 if(button&2)
                         {
                         int val,prex=x,prey=y;
                         x=210+(x-210)/20*20;
                         y=195+(y-195)/20*20;
                         val=arr[(y-195)/20][(x-210)/20];
                         if(val<10 || val>=80)
                                 {
                                 val=val>=80?val-80:80+val;
                                 arr[(y-195)/20][(x-210)/20]=val;

                                 while(button&2)
                                         getpos(&button,&x,&y);

                                 hidemouse();
                                 setpos(30,50);
                                 clearviewport();
                                 showmouse();
                                 setpos(prex,prey);
                                 }
                         }

                 if(button&1 && x>=210 && x<=365 && y>=195 && y<=350)
                         {
                         char temp[4];
                         int trow,tcol;
                         //determine current box
                         x=210+(x-210)/20*20;
                         y=195+(y-195)/20*20;
                         trow=(y-195)/20;
                         tcol=(x-210)/20;
                         if(arr[trow][tcol]==9)
                                 {
                                 int row=10,col=5;
                                 setviewport(0,0,getmaxx(),getmaxy(),1);
                                 hidemouse();
                                 outtextxy(200,100,"SORRY,YOU LOOSE THE GAME");
                                 setviewport(200,190,385,370,1);
                                 //prints X marks in END on screen
                                 for(i=0;i<MROW;i++)
                                         {
                                         for(j=0;j<MCOL;j++)
                                                 {
                                                 if(arr[i][j]==9 || arr[i][j]==89)
                                                         {
                                                         setfillstyle(1,RED);
                                                         bar(row,col,row+BSIZE,col+BSIZE);
                                                         outtextxy(row+5,col+5,"x");
                                                         }
                                                 row+=20;
                                                 }
                                         row=10;
                                         col+=20;
                                         }
                                 showmouse();
                                 setviewport(0,0,getmaxx(),getmaxy(),1);
                                 setfillstyle(1,YELLOW);
                                 bar(170,400,270,425);
                                 bar(330,400,430,425);
                                 while(loop=='t')
                                         {
                                         setcolor(BLUE);
                                         outtextxy(180,410,"PLAY AGAIN");
                                         outtextxy(360,410,"QUIT");
                                         getpos(&button,&x,&y);
                                         if(!button&1)
                                                 {
                                                 if(x>=170 && x<=270 && y>=400 && y<=425)
                                                         {
                                                         setfillstyle(1,CYAN);
                                                         bar(170,400,270,425);
                                                         setfillstyle(1,YELLOW);
                                                         bar(330,400,430,425);
                                                         outtextxy(180,410,"PLAY AGAIN");
                                                         outtextxy(360,410,"QUIT");
                                                         while(x>=170 && x<=270 && y>=400 && y<=425 && !button&1)
                                                                 getpos(&button,&x,&y);
                                                         }
                                                 if(x>=330 && x<=430 && y>=400 && y<=425)
                                                         {
                                                         setfillstyle(1,CYAN);
                                                         bar(330,400,430,425);
                                                         setfillstyle(1,YELLOW);
                                                         bar(170,400,270,425);
                                                         }
                                                         outtextxy(180,410,"PLAY AGAIN");
                                                         outtextxy(360,410,"QUIT");
                                                         while(x>=330 && x<=430 && y>=400 && y<=425 && !button&1)
                                                                 getpos(&button,&x,&y);
                                                 }
                                         else
                                                 {
                                                 if(x>=170 && x<=270 && y>=400 && y<=425)
                                                         {
                                                         setviewport(200,190,385,370,1);
                                                         loop='f';
                                                         hidemouse();
                                                         break;
                                                         }
                                                 if(x>=330 && x<=430 && y>=400 && y<=425)
                                                         {
                                                         restorecrtmode();
                                                         closegraph();
                                                         exit(0);
                                                         }
                                                 }
                                         }
                                 }
                         else
                                 { //NOT ON DANGER AREA
                                 if(arr[trow][tcol]<50)
                                         {
                                         nclick++;
                                         arr[trow][tcol]+=50;
                                         }
                                 }
                         }
                 }
         if(loop=='t')
                 {
                 restorecrtmode();
                 closegraph();
                 exit(0);
                 }
         }
}

initmouse()
{
i.x.ax=0;
int86(0x0033,&i,&o);
return(o.x.ax);
}

showmouse()
{
i.x.ax=1;
int86(0x0033,&i,&o);
}

hidemouse()
{
i.x.ax=2;
int86(0x0033,&i,&o);
}

restarea(int x1,int x2,int y1,int y2)
{
i.x.ax=7;
i.x.cx=x1;
i.x.dx=x2;
int86(0x0033,&i,&o);
i.x.ax=8;
i.x.cx=y1;
i.x.dx=y2;
int86(0x0033,&i,&o);
}

setpos(int x,int y)
{
i.x.ax=4;
i.x.cx=x;
i.x.dx=y;
int86(0x0033,&i,&o);
}

getpos(int *button,int *x,int *y)
{
i.x.ax=3;
int86(0x0033,&i,&o);
*button=o.x.bx;
*x=o.x.cx;
*y=o.x.dx;
}