Triangulo de numeros

{ paulogp }
{ mac os 7 }
program Ada12p;

uses
    MemTypes, QuickDraw, OSIntf;

const
    MAX = 17;

var
    i, j, n: integer;
    fim: string;

begin
    repeat
        clearscreen;
        writeln('Programa: Triângulo de números!');
        writeln('Paulo G.P.');
        writeln('===============================');
        repeat
            writeln;
            write('Introduza um valor no intervalo ]0,', MAX, ']: ');
            readln(n);
            writeln;
            if (n <= 0) or (n > MAX)  then write('Atenção!!!');
        until (N > 0) and (N <= MAX);
        write;
        for J:= N downto 1 do
        begin
            for i := 1 to n do
                if  i <= n - j + 1 then write('   ', i);
            writeln;
        end;
        writeln;
        writeln;
        writeln;
        write('Repetir programa (S/N): ');
        readln(fim);
        uprstring(fim, true);
    until fim = 'N';
end.