Spezielle Sonderzeichen in Turbo C++???

#include <iostream.h>

void main()
{
   int a;
   char b;

   a = 0;
   while (a < 31)
   {
      a = a + 1;
      b = a;
      cout << b;
   }
}

  ASCIICodes: array[0..31] of string[3] = ('NUL', 'SOH',
	      'STX', 'ETX', 'EOT', 'ENQ', 'ACK', 'BEL', 'BS',
	      'HT', 'LF', 'VT', 'FF', 'CR', 'SO', 'SI', 'DLE',
	      'DC1', 'DC2', 'DC3', 'DC4', 'NAK', 'SYN', 'ETB',
	      'CAN', 'EM', 'SUB', 'ESC', 'FS', 'GS', 'RS', 'US');

type
  ABitFont = array[0..255] of array[0..15] of byte;
  PAbitFont = ^ABitFont;

var
  RomFont: PABitFont absolute $0000:$010C;

CharHeight :=Mem[$40:$85];

(* Copy ROM font table to RAM *)
procedure CopyROMfont;
var
  FontPtr: pointer;
  Cnt: byte;
begin
  FontPtr := RomFont;
  for cnt :=0 to 255 do begin
    move (FontPtr^, FontTable[cnt], CharHeight); (* Insert New Jump for GRAPH_MOV *)
    inc (longint (FontPtr), CharHeight);
  end;
end;