#pragma small			               /* use memory model 'small'            */

#include <REG167.H>                    /* Register Set of 80C167 controller   */
#include <stdio.h>                     /* Standard I/O functions              */

/******************************************************************************/
/* main program                                                               */
/******************************************************************************/

void main (void)  {                    /* execution starts here               */

                                       /* init serial0 port:                  */
  P3  |= 0x0400;                       /* set port 3.10 output latch (TXD)    */
  DP3 |= 0x0400;                       /* configure port 3.10 for output      */
                                       /* operation. ( TXD output)            */
  DP3 &= 0xF7FF;                       /* configure port 3.11 for input       */
                                       /* operation. ( RXD input)             */
  S0TIC = 0x80;                        /* set transmit interrupt flag         */
  S0RIC = 0x00;                        /* delete receive interrupt flag       */
  S0BG  = 0x40;                        /* set baudrate to 19200 baud           */
  S0CON = 0x8011;                      /* set serial mode                     */

  putchar(' ');                        /* send dummy-Byte for compatibility   */

  printf ("Hello World\n");        /* print 'Hello World' to the serial   */
  printf ("Ich... der Beste!\n");                                    /* port.                               */
  while (1) {                          /* An embedded program without any     */
                                       /* operating system usually does not   */
                                       /* stop and never returns.             */
                                       /* We've used an endless loop in this  */
                                       /* example.                            */
  printf ("  char = %02bX\n",getchar()); /* print the two digit hex code of   */
                                       /* any received character              */
  }
}