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???
02/24/05 14:49
Modified:
  02/24/05 15:06
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 		 #88341 - more on Keil asm
Responding to: ???'s previous message
Erik Malund said:
So, I would, almost, state that the fact that Keil include the "standard" '51 SFR defs is an error.


Perhaps that's why all their derivative.inc files include all the original SFRs, so simply including them produces exactly 63 errors:
Save This Code

                       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
etc.
You need to use first the $NOMOD51 directive (commented out in the above example), which basically makes a51 absolutely SFR-less.

Jan Waclawek

List of 21 messages in thread
TopicAuthorDate
Which Compiler supports Timer 2            01/01/70 00:00      
   do by hands            01/01/70 00:00      
      Keil?            01/01/70 00:00      
         Alternative            01/01/70 00:00      
         indeed            01/01/70 00:00      
            Nothhing to do with Modern!            01/01/70 00:00      
               then maybe "user's friendly"?            01/01/70 00:00      
                  (in)Convenience            01/01/70 00:00      
               right            01/01/70 00:00      
                  Ah yes...            01/01/70 00:00      
         workaround?            01/01/70 00:00      
      Hands            01/01/70 00:00      
   *ALL* Compilers!            01/01/70 00:00      
   Re:Which Compiler            01/01/70 00:00      
      sure, but why - and it is risky            01/01/70 00:00      
         SFR            01/01/70 00:00      
            agreed            01/01/70 00:00      
   a plethora of derivatives            01/01/70 00:00      
      more on Keil asm            01/01/70 00:00      
         Keil - NOMOD51            01/01/70 00:00      
   define it            01/01/70 00:00      

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