void MsgLoop()
{
  U8 p1=0,p2=0,cmd=0;
  coutln "Use $$LK \"these\",\"MN:MSG_CMD\"$$ defines "
       "in your programs instead of hardcoded numbers.";
  coutln "Press ESC to Exit";
  while (cmd!=MSG_KEY_DOWN || (p1!=CH_ESC && p1!=CH_CTRLQ)) {
    cmd=GetMsg(&p1,&p2,-2);
    // The following fixes the cursor position
    LtfBottom(Fs->cur_ltf);
    PrintF("CMD:%02X P1:%08X P2:%08X\r\n",cmd,p1,p2);
  }
}

MsgLoop;