gnupic: gpasm - how to get address of variable ?
Subject:
Re: gpasm - how to get address of variable ?
From:
Gál ####@####.####
Date:
8 Sep 2012 15:51:23 -0000
Message-Id: <CAFKtu37XCKDCW-mjEsG4gTTLJjMSOdvjAMikyD=p9nr0gfGLKA@mail.gmail.com>
Is that right? Good joke...
2012/9/8 Borut Ražem ####@####.####
> I was totally wrong: the cblock "variables" actually hold the address. I was
> wrongly thinking about cblocks as C structures...
>
> Obviously I have no idea how the assembler works :-[
>
> My apologies,
> Borut
>
>
> On 07. 09. 2012 10:15, Borut Ražem wrote:
>>
>> 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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