CPU Scheduling algorithm implementation

#include
#include
#include
#include
#include


union REGS i, o ;
int x1,y1,click;
int count=1;
char *comments[]={
" ",
"Opps ?...Try it again!",
"C give yourself a chance!",
"Yes!! You can do it !",
"Think about 1 Million!",
"Don't give up Friend !",
"Ohhh... LOOSER..!!",
"Sorry..You loose !"
};

void main()
{

int x=50,y=50,gdriver = 9, gmode=2;
initgraph(&gdriver, &gmode, "c:\tc\bgi");
setcolor(LIGHTRED);
settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);
outtextxy(240,200,"Developed by :");
outtextxy(240,250,"WWW");
rectangle(210,170,420,300);
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
outtextxy(200,400,"Press any key to continue.........");
getch();
cleardevice();


showmouseptr();
setbkcolor(9); //sets the backgroundcolour.
setcolor(YELLOW);
outtextxy(20,445,"CLICK ON THE BUTTON "IGCT"");
unpressed(290,430,"EXIT");
unpressed(x,y,"IGCT");

while(1)//infinite loop.
{

getmousepos();

if(x1 >= x && x1 <= x+50 && y1 >= y && y1 <= y+30 )//checks if the
mouse pointer is over the button.
{ //where
x,x+50,y,y+50 are ((x,y))top,(x,y)bottom)co-ordinates.
hidemouseptr();
erasebutton(x,y);
x=random(600);
y=random(400);
//checks whether count=1 so as to display the button on the new
position for only once.

setcolor(9);
outtextxy(380,445,comments[count-1]);//to erase previousely written
things
setcolor(YELLOW);
outtextxy(380,445,comments[count]);
count++;

if(count==9)
{
setcolor(9);
outtextxy(380,445,comments[8]);//to erase previousely written
things
setcolor(YELLOW);
outtextxy(380,445,comments[1]);
count=2;
}

unpressed(x,y,"IGCT");
showmouseptr();


}
if(x1>=290&&x1<=340&&y1>=430&&y1<=460 && click==1)//checks if the mouse
pointer is over the "EXIT" button.
{ //for click==1 refer
to mousepos.h.
hidemouseptr();
pressed(290,430,"EXIT");
showmouseptr();
sound(1200);
delay(100);
nosound();
while(click!=0)
getmousepos();
break;
}

}

closegraph();
restorecrtmode();
}

unpressed(int x,int y,char *string) //display's an unpressed button.

{

setfillstyle(SOLID_FILL,CYAN);//sets the fill pattern and colour.
bar(x, y, x+50, y+30);//creates a box and the box is automatically
filled with the chosen colour.
setcolor(LIGHTCYAN);
line(x,y,x+50,y);//creates a white line just over the box.
line(x,y,x,y+30);

setcolor(EGA_DARKGRAY);
line(x,y+30,x+50,y+30);//creates a dark line just below the box.
line(x+2,y+31,x+50,y+31);
line(x+50,y,x+50,y+30);
line(x+51,y,x+51,y+31);
setcolor(BLUE);
outtextxy(x+10,y+12,string);//displays text on the box.
return 0;
}


pressed(int x,int y,char *string)

{
setfillstyle(SOLID_FILL,CYAN);
bar(x, y, x+50, y+30);
setcolor(EGA_DARKGRAY);
line(x,y,x+50,y);
line(x-1,y-1,x+51,y-1);
line(x,y,x,y+30);
line(x-1,y-1,x-1,y+30);

setcolor(LIGHTCYAN);
line(x,y+30,x+50,y+30);
line(x-1,y+31,x+50,y+31);
line(x+50,y,x+50,y+30);
line(x+51,y-1,x+51,y+31);

setlinestyle(DOTTED_LINE,1,NORM_WIDTH);
setcolor(EGA_DARKGRAY);
rectangle(x+4,y+4,x+46,y+26);//creates a dotted rectangle over the
box.
setcolor(BLUE);
outtextxy(x+10,y+12,string);
return 0;
}

erasebutton(int x,int y)//erases button.

{


setfillstyle(SOLID_FILL,getbkcolor());//gets the background colour


bar(x, y-1, x+51, y+31); // and fills the box with the
SOLID_FILL pattern.
return 0;
}

showmouseptr( ) //shows the mouse-pointer.

{

i.x.ax = 1 ;

int86 ( 0x33, &i, &o ) ;
return 0;
}
hidemouseptr()//hides the mouse pointer.
{
i.x.ax=2;
int86(51,&i,&o);//note:-0x33(hex)÷51(dec).
return 0;
}

getmousepos() //finds the mouse-pointer position.

{


i.x.ax = 3 ;

int86 ( 0x33, &i, &o ) ;

click = o.x.bx ;// if the left click button is pressed then click=1.

x1 = o.x.cx ; //x co-ordinate.

y1 = o.x.dx ; //y co-ordinate.

return 0;
}

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