Yes, it is true in relocable code, but in absolute code, you can "watch"
it.

Francisco

"Quitt, Walter" wrote:
> 
> If you use an EQU to assign a memory location for a variable,
> you will NOT be able to "watch" it.  That means it will NOT
> show up in the "variable" list in the Show Symbols List option
> of the Window menu of MPLAB.
> 
> -----Original Message-----
> From: Francisco Armenta [mailto:briones@DATASYS.COM.MX]
> Sent: Tuesday, May 09, 2000 11:16 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: CONSTANT or EQU
> 
> 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    **
> > ;**********************************************