Pascal : Contoh Program animasi Stack (Tumpukan) - Struktur Data

Berikut ini adalah contoh program pascal animasi stack (tumpukan) .
Program AnimasiStack;
Uses wincrt;
const
     max = 10;
var
top,i           : byte;
pil,tem,E       : char;
stack           : array [1..max] of char;

procedure pushanim;
     begin
          for i :=1 to 18 do
              begin
                   gotoxy(23+i,7); write(tem);
                   {Delay(30);}
                   gotoxy(23,7); clreol;
              end;
          for i:=1 to 14-top do
              begin
                   {delay(30);}
                   gotoxy(41,6+i); write('   ');
                   gotoxy(41,7+i); write(tem);
              end;
     end;

procedure popanim(tem:char);
     begin
          for i:=1 to 14-top do
              begin
                   {delay(30);}
                   gotoxy(41,22-i-top); write('   ');
                   gotoxy(41,21-i-top); write(tem);
              end;
          for i:=1 to 19 do
              begin
                   gotoxy(40+i,7); write(tem);
{delay(30);}
                   gotoxy(16,7); clreol;
              end;
      end;

procedure push(e:char);
   begin
        inc(top);
        stack[top] :=e;
        pushanim;
   end;

procedure pop(e:char);
   begin
        if top<> 0 then
           begin
                E:=stack[top];popanim(e);
                dec(top);
           end else
           begin
                gotoxy(1,7); write('stack telah kosong');
readkey;
                gotoxy(1,7); clreol;
              end;
      end;

begin
     clrscr;
     writeln('ANIMASI STACK');
     writeln('1.  PUSH');
     writeln('2.  POP');
     writeln('3.  QUIT');
     writeln('Pilihan anda[1/2/3] = ');
     gotoxy(49,6);write('\');
     gotoxy(49,8);write('/');
     gotoxy(37,10);write('\       /');
     for i:=1 to 11 do
         begin
              gotoxy(38,10+i);
              if i=11 then write('|_____|')else write
              ('|     |');
         end;
     top := 0;
     repeat
           gotoxy(23,5);clreol;
           pil := readkey;write(pil);
           if pil ='1' then
              begin
                   if top<> max then
                      begin
                           gotoxy(1,7);write('Masukkan satu Huruf = ');
                           tem := readkey;write(tem);
                           push(tem);
                           gotoxy(1,7);clreol;
                      end else
                          begin
                               gotoxy(1,7);write('Stack sudah penuh');readkey;
                               gotoxy(1,7);clreol;
                          end;
              end else
           if pil='2' then pop(tem);
     until pil='3';
     end.


Tags : Struktur Data, Animasi Stack , Stack, Tumpukan, pascal, program pascal, pascal stack