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???
05/30/02 12:50
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 		 #23645 - RE: any way of reading P2 SFR ?,donald
Read the text fully it is read modify (PORT), write. An instruction that modify e.g. the acc uses port pins.

one way used in some debuggers is:
clr a
jbc P2.0,is0
sjmp ck1
is0: setb p2.0
setb acc.0
ck1: jbc p2.1,is1
...

Erik

List of 32 messages in thread
TopicAuthorDate
any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?erik            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?,donald            01/01/70 00:00      
RE: any way of reading P2 SFR ?peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?, Peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?, Peter            01/01/70 00:00      
RE: any way of reading P2 SFR ?, Erik            01/01/70 00:00      
RE: any way of reading P2 SFR ?, Erik            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR - serious            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?,peter#2            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      
RE: any way of reading P2 SFR ?peter#2            01/01/70 00:00      
RE: any way of reading P2 SFR ?            01/01/70 00:00      

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