<font size=-2>
                       1     ;$nomod51
                       2     $include (reg52.inc)
                =1     3     ;----------------------------------------------------------------
                =1     4     ; Copyright 1995-1996 KEIL Software, Inc.
                =1     5     ; 8052 Processor Declarations
                =1     6     ;----------------------------------------------------------------
                =1     7  +1 $SAVE
                =1    11     P0      DATA    80H
*** _________________________^
*** ERROR #11, LINE #11, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL
                =1    12     P1      DATA    90H
*** _________________________^
*** ERROR #11, LINE #12, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL
                =1    13     P2      DATA    0A0H
*** _________________________^
*** ERROR #11, LINE #13, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL
                =1    14     P3      DATA    0B0H
*** _________________________^
*** ERROR #11, LINE #14, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL
                =1    15     PSW     DATA    0D0H
*** _________________________^
*** ERROR #11, LINE #15, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL
                =1    16     ACC     DATA    0E0H
*** _________________________^
*** ERROR #11, LINE #16, ATTEMPT TO DEFINE AN ALREADY DEFINED SYMBOL</font>
etc.