Brendan Gillatt wrote:
> Say I have two modules, each requiring the use of a constant, 0xAA in
> this case. I could put
>
>>
>> constant testconst = 0xAA
>>
>
> or
>
>>
>> testconst equ 0xAA
>>
>
> in both files but this is obviously not very elegant or easy to
> maintain.

Use a include file.

> I have tried to define the constant--using both methods above--and
> using GLOBAL and EXTERN statements to "share" the constant between
> modules as I would with variable and code labels. This causes MPASM
> to throw:

Of course.  I could go into more detail, but not under the present
circumstances.


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