Martin.

I use the EQU for assigned a memory location for a variable. and
CONSTANT for use a label otherwaise a number.

Francisco

Martin SchŠfer wrote:
> 
> Somebody out there who can explain me the difference between CONSTANT and
> EQU? After assembling, the two both become constants in the Cross reference
> file. The same question could be asked about the difference between VARIABLE
> and SET. The Users guide says only:
> 
> EQU - an Assembler Constant
> 
> CONSTANT - Symbol Constant
> 
> What I want to do is to define a constant for a reload value of timer 1,
> dependent on the frequency and perhaps some other parameters.
> 
>  constant TMR1H_SUB = D'1000' * Frequency / D'4000000' / 256
> 
>  TMR1H_SUB equ  D'1000' * Frequency / D'4000000' / 256
> 
> or something like this. This constant will then be used like
> 
>  movlw  TMR1H_SUB
>  subwf  TMR1H,F
> 
> Thanks for helping
> 
> martin
> 
> ;**********************************************
> ;**   name:      Martin Schaefer             **
> ;**   company:   elektronik 21 GmbH, Germany **
> ;**   e-mail:    schaefer@elektronik21.de    **
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