OK, I see it now. We are not just incrementing W14 for the heck of it. I 
thought (incorrectly) that was what it
was doing. So the brackets indicate that W14 acts a a pointer?


>   W0 thru W15 are memory locations 0..31.
>    
>   The above loop clears the memory locations associated with W1 thru W13
>    
>   How, you ask?
>    
>   CLR W0             W0<-0
>   MOV W0,W14   W14<-0
>   REPEAT #12     Repeat next instruction 13! times
>   MOV W0,[++W14] Does the following:
>       Adds 2 to W14
>       Moves W0 (which is zero) to the memory location pointed to by W14
>   CLR W14            W14<-0
>    
>    
>   --- Bob Ammerman
>   RAm Systems
>    
>   >> 
>   
>> It prevents buggy code from generating an uninitialized W register
>> reset, which is caused by using an uninitialized W register as an
>> address. This code pretty much defeats the whole point of the
>> uninitialized W register reset feature.
>>
>> --
>> John W. Temples, III
>>
>>     
> But this is only doing something to W0 and W14...or am I wrong? I'm 
> really trying to
> get my head around this!
>
>   


-- 
Regards,
Stephen D. Barnes

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist