Trở về đầu
const fo = 'ASCII.PAS';
var hang, i: integer;
f: text;
begin
assign(f, fo); rewrite(f);
writeln(f);
writeln(f, ' BANG MA ASCII');
writeln(f);
for hang:= 0 to 15 do
begin
i:= hang;
write(f, ' ', CHR(179));
while i < 256 do
begin
if (i = 9) or (i = 10) or (i = 13) then write(f, i:3, ' ', CHR(179))
else write(f, i:3, ' ', CHR(i), CHR(179));
i:= i + 16;
end;
writeln(f);
end;
close(f);
end.