Вопрос по Delphi найдите ошибку?

program Console;

{$APPTYPE CONSOLE}

uses
SysUtils;

var NewCom:integer;
NewCOMM:string;//?

begin
writeln('AGG SDK',#10,'Version Alpha',#10);
while 1>0 do

begin
readln (NewCom);
readln (NewCOMM);
case NewCOMM of //?
No :writeln ('No'); //?
Yes :writeln ('Yes'); //?
else:writeln('Noo'); //?
end; //?

case NewCom of
1:writeln ('HELP - Vivodit vse dostupnie comandi');
2:writeln ('VER - Vivodit versiy AGG SDK i datu ustanovki');
3:writeln ('EXIT - Vixodit iz consoli');
4:writeln ('COLOR - Menyaet color consoli ');
5:writeln ('CLS - Ochihaet ecran');
//Железо
6:writeln ('CPU - Vivodit infu o CPU');
7:writeln ('GPU - Vivodit infu o GPU');
8:writeln ('VGA - Vivodit infu o VGA');
9:writeln ('RAM - Vivodit infu o RAM');
10:writeln ('HARD - Vividit infu o HDD & SSD');
11:writeln ('ROM - Vivodit infu o CD, DVD, Flopy privodax');
12:writeln ('TEMP - Vivodit infu o tempirature CPU, VGA, RAM, HDD');
13:writeln ('HARDWARE - Vivodit infu o HARDWARE - anologichno Systeminfo v MS DOS');
14:writeln ('LAN - Vivodit infu o setevix ustroystvax');
15:writeln ('FAN - Vivodit infu o culerax');
//Операционная система
16:writeln ('SYSTEM - Vivodit infu o OC');
17:writeln ('REGYSTRY - Otkrivaet regedit.exe');
18:writeln ('MANAGER - Otkrivaet taskman.exe');
19:writeln ('USER - Vivodit infu o polzovatelyax');
20:writeln ('MSDOS - Otkrivaet command.com');
21:writeln ('CLS - Ochihaet ecran');
22:writeln ('OPEN - Otkrivaet ukazaniy fayl');
//Сети
23:writeln ('IP - Vivodit svoi IP adresa');
24:writeln ('PING - Pinguet ukazaniy sait ili IP adres');
25:writeln ('NETWORK - Vivodit vse setevie ustroystva i podklycheniya');
26:writeln ('CONNECT - Podclychitsya k seti ili kompu');

end;

end;

readln;
end.