gnupic: gpasm - how to get address of variable ?
Subject:
Re: gpasm - how to get address of variable ?
From:
Joe Pfeiffer ####@####.####
Date:
7 Sep 2012 15:38:52 -0000
Message-Id: <20554.5386.898649.263574@pfeifferfamily.net>
To elaborate just a bit more on my previous response: cblock can be
thought of as a way to automatically define equ's. That's not the
best way to think of it in most cases, but in this case it helps to
show why what I said before works.
Borut Ražem writes:
>Hi Vaclav,
>
>I don't think you can get the address of CBLOCK variable.
>The alternative is to use EQUs instead of CBLOCK:
>
>var1 EQU 0x20
>var_array EQU 0x21
>
> movlw var_array
> movwf FSR
>
>Borut
>
>On 07. 09. 2012 09:52, Vaclav Peroutka wrote:
>> Hello,
>>
>> I want to use FSR/INDF in assembler. I have defined
>>
>> CBLOCK 0x20
>> var1: 1
>> var_array: 1
>> ENDC
>>
>> In the code, I want to use
>> movlw address_of_var_array
>> movwf FSR
>>
>> and then to write to var_array through INDF.
>>
>> How can I do that ? I did not find any expression in gputils manual.
>>
>> Thank you in advance,
>> Vaclav
>
>
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