Code:
;****************************************************************
;*  16F690.INC                                                  *
;*                                                              *
;*  Notice    : Copyright (c) 2006 microEngineering Labs, Inc.  *
;*              All Rights Reserved                             *
;*  Date      : 05/23/06                                        *
;*  Version   : Demo                                            *
;*  Notes     :                                                 *
;****************************************************************
        NOLIST
              
__config _INTRC_OSC_NOCLKOUT & _WDT_ON & _MCLRE_ON & _CP_OFF
        NOLIST
    endif
        LIST
        '16F690 DEMO_2
  '  DEFINE OSC 8       'Comment the 4Mhz and uncomment these for 8Mhz
  '  OSCCON=%01110000

    DEFINE OSC 4           'This is the default setting
    OSCCON=%01100000
      
        @ __config _INTRC_OSC_NOCLKOUT & _WDT_ON & _MCLRE_ON & _CP_OFF
    
    TRISC = %00000000   '0 will make the pins an output, 1 will make them inputs
    
    START:
    PORTC = %00000001
    PAUSE 250
    PORTC = %00000010
    GOTO START
Results:
ERROR Line 12: Syntax error.(16F690.INC)
ERROR Line 13: Redefinition of LABEL NOLIST.(16F690.INC)
ERROR Line 14: ENDIF without a matching IF..THEN.(16F690.INC)