Kullanıcı adı ve şifre

uses crt;
var
t,s:array[1..6]of string;
tus:char;
padi,kadi:string;
i:integer;
procedure yeni;
begin
clrscr;textcolor(white);
textbackground(9);writeln;writeln;writeln;
gotoxy(30,4);writeln('YENI KAYIT');
writeln;writeln;gotoxy(5,7);
writeln('yeni kullanici adi ---> ');
writeln;writeln;gotoxy(5,10);
writeln('yeni sifre ---> ');
writeln;writeln;writeln;textcolor(black);
writeln(' sifre 6 karakterden olusmalidir ! ! ');
gotoxy(29,7);readln(kadi);if kadi='' then exit;
i:=1;gotoxy(28,10);repeat gotoxy((28+i),10);
tus:=readkey;if tus='a' then begin
s[i]:='a';write('*');i:=i+1;
if i=7 then exit;end;if tus='b' then
begin s[i]:='b';write('*');i:=i+1;
if i=7 then exit;end;if tus='c' then
begin s[i]:='c';write('*');i:=i+1;
if i=7 then exit;end;if tus='d' then
begin s[i]:='d';write('*');i:=i+1;
if i=7 then exit;end;if tus='e' then
begin s[i]:='e';write('*');i:=i+1;
if i=7 then exit;end;if tus='f' then
begin s[i]:='f';write('*');i:=i+1;
if i=7 then exit;end;if tus='g' then
begin s[i]:='g';write('*');i:=i+1;
if i=7 then exit;end;if tus='i' then
begin s[i]:='i';write('*');i:=i+1;
if i=7 then exit;end;if tus='k' then
begin s[i]:='k';write('*');i:=i+1;
if i=7 then exit;end;if tus='l' then
begin s[i]:='l';write('*');i:=i+1;
if i=7 then exit;end;if tus='m' then
begin s[i]:='m';write('*');i:=i+1;
if i=7 then exit;end;if tus='n' then
begin s[i]:='n';write('*');i:=i+1;
if i=7 then exit;end;if tus='o' then
begin s[i]:='o';write('*');i:=i+1;
if i=7 then exit;end;if tus='p' then
begin s[i]:='p';write('*');i:=i+1;
if i=7 then exit;end;if tus='r' then
begin s[i]:='r';write('*');i:=i+1;
if i=7 then exit;end;if tus='s' then
begin s[i]:='s';write('*');i:=i+1;
if i=7 then exit;end;if tus='t' then
begin s[i]:='t';write('*');i:=i+1;
if i=7 then exit;end;if tus='u' then
begin s[i]:='u';write('*');i:=i+1;
if i=7 then exit;end;if tus='v' then
begin s[i]:='v';write('*');i:=i+1;
if i=7 then exit;end;if tus='y' then
begin s[i]:='y';write('*');i:=i+1;
if i=7 then exit;end;if tus='z' then
begin s[i]:='z';write('*');i:=i+1;
if i=7 then exit;end;until tus=#27;
end;procedure d;begin clrscr;
repeat textcolor(green);textbackground(black);
write(random(9));until 1=5 end;
procedure kontrol;begin clrscr;
textcolor(white);textbackground(9);
writeln;writeln;writeln;gotoxy(30,4);
writeln('SIFRE VE KULLANICI ADI GIRISI');
writeln;writeln;gotoxy(5,7);writeln('kullanici adi ---> ');
writeln;writeln;gotoxy(5,10);writeln('sifre ---> ');
writeln;writeln;writeln;textcolor(black);
gotoxy(24,7);readln(padi);if padi='' then exit;
i:=1;gotoxy(24,10);repeat gotoxy((23+i),10);
tus:=readkey;if tus='a' then begin
t[i]:='a';write('*');i:=i+1;if i=7 then d;end;
if tus='b' then begin t[i]:='b';write('*');i:=i+1;
if i=7 then d;end;if tus='c' then begin
t[i]:='c';write('*');i:=i+1;if i=7 then d;end;
if tus='d' then begin t[i]:='d';write('*');i:=i+1;
if i=7 then d;end;if tus='e' then begin
t[i]:='e';write('*');i:=i+1;if i=7 then d;end;
if tus='f' then begin t[i]:='f';write('*');i:=i+1;
if i=7 then d;end;if tus='g' then begin
t[i]:='g';write('*');i:=i+1;if i=7 then d;end;
if tus='i' then begin t[i]:='i';write('*');i:=i+1;
if i=7 then d;end;if tus='k' then
begin t[i]:='k';write('*');i:=i+1;
if i=7 then d;end;if tus='l' then begin
t[i]:='l';write('*');i:=i+1;if i=7 then d;end;
if tus='m' then begin t[i]:='m';write('*');i:=i+1;
if i=7 then d;end;if tus='n' then begin
t[i]:='n';write('*');i:=i+1;if i=7 then d;end;
if tus='o' then begin t[i]:='o';write('*');i:=i+1;
if i=7 then d;end;if tus='p' then
begin t[i]:='p';write('*');i:=i+1;
if i=7 then d;end;if tus='r' then
begin t[i]:='r';write('*');i:=i+1;
if i=7 then d;end;if tus='s' then begin
t[i]:='s';write('*');i:=i+1;if i=7 then d;end;
if tus='t' then begin t[i]:='t';write('*');i:=i+1;
if i=7 then d;end;if tus='u' then begin
t[i]:='u';write('*');i:=i+1;if i=7 then d;end;
if tus='v' then begin t[i]:='v';write('*');i:=i+1;
if i=7 then d;end;if tus='y' then begin
t[i]:='y';write('*');i:=i+1;if i=7 then d;end;
if tus='z' then begin t[i]:='z';write('*');i:=i+1;
if i=7 then d;end; until tus=#27; end;begin clrscr;
repeat clrscr;writeln;writeln;writeln;writeln;writeln;
textcolor(red);textbackground(9);gotoxy(17,6);
writeln('yesil renkli karakterler ile programi yonetin');
writeln;textcolor(white);gotoxy(30,8);writeln('ILGILERI YENILEME');
writeln;writeln;writeln;gotoxy(32,12);writeln('ROGRAM GIRISI');
writeln;writeln;writeln;gotoxy(20,16);textcolor(red);
writeln('! ! ! cikis icin tuslay�n ! ! !');
gotoxy(37,16);textcolor(green);write('< ESC >');gotoxy(29,8);
textcolor(green);write('B');gotoxy(31,12);write('P');gotoxy(1,1);
tus:=readkey;if tus='b' then yeni;if tus='p' then kontrol;
if tus='w' then begin clrscr;for i:=1 to 6 do
write(s[i]);
readln;
end;
until tus=#27;
end.