Thanks!

I finally opted to put everything in one asm file ,

So i could use the DATA block .


It all works .


Have a great day



Le 06.09.2014 01:39, Bin Shi a écrit :
> STM8's compiler make a function puts its all local & temp vars on its 
> stack.
> 
> However, it seems the only reason is the var is overwritten.
> 
> Erik Petrich <epetr...@ivorytower.norman.ok.us>编写:
> 
>> 
>> 
>> On Fri, 5 Sep 2014, r...@remi.lu wrote:
>> 
>>> Hello
>>> 
>>> SDCC : stm8 3.4.1 #9068 (Sep  5 2014) (Linux)
>>> 
>>> I dont see the difference between this ( A and B ) :
>>> 
>>> I have _lcdchar   declared by :
>>> 
>>> .area OSEG
>>> _varOne:
>>> .ds 1
>>> _lcdchar:
>>> .db 1
>>> 
>>> .area CSEG
>>> 
>>> .
>>> .which seems not working, at least the way variables
>>>   are to mee in assembly ...
>>> .
>> 
>> Assuming you aren't using a custom linker script, I think you should 
>> use
>> areas DATA and CODE instead of OSEG and CSEG. In particular, OSEG is
>> usually used to hold temporary values in functions that do not call 
>> other
>> functions because all of the OSEG areas overlay (the O in OSEG) each
>> other. So if your delay_m function also uses a variable in OSEG (or 
>> calls
>> some other function that does), this other variable is likely to be at 
>> the
>> same memory location as lcdchar, and so lcdchar is overwritten.
>> 
>>   Erik
>> 
>> 
>> 
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