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Re: Register Add - Quick Question


 

Mostly!

LA works as long as the answer fits in 24 bits so it's no good for
adding 8 to a negative value in R1 for example.

An alternative solution is:

A R1,=F'8'

If memory is really tight, you could use this and possibly save two bytes:

AH R1,=H'8'


Regards,
Peter Coghlan.


Yes!

LA R1,8(R1)

Joe


On Thu, Apr 16, 2020 at 1:09 PM adriansutherland67 <
adrian@...> wrote:

Is there a better way than this to add 8 to R1?

LA R0,8
AR R1,R0 Add 8 to R1

Thanks A


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