Re: LZ: JR or JP?
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> >> > Does anyone know if there's a reason to use JP instead of JR for a program
> >> > jump? The JR instruction, according to the book I have, uses one less byte
> >> > to have in code, so that would help optimize memory; also the assembler
> >> > resolves the relative (JR) addresses for you, doesn't it?
> >>
> >> JR is shorter and faster. Also, JP makes assumptions about your programs
> >> current location in memory if it's jumping to a location within the program.
> >>
> >> I'm doing my coding mostly in hex so using JR also makes it easy to move
> >> routines around in my program.
> >>
> >> Generally, use JR when you can and JP when you have to.
> >>
> >> Yes the assembler resolves the references in either case.
> >>
> >
> >No, IT WONT!
> >JR is not to be used on teh TI-85 unless you REALLY know what you are
> >doing... JUMP_(), JUMP_Z(), JUMP_NZ(), etc. shoud be used instead..
> >
> >Full information on these can be found in teh Zshell documentation..
> >
> >Rob Taylor MAIL - mailto:rtaylor@rtaylor.u-net.com
> > WEB - http://www.u-net.com/~rtaylor/
> >
> Don't you mean jp?
Yep, soory, mis-type (how embarrasing.....)
Rob Taylor MAIL - mailto:rtaylor@rtaylor.u-net.com
WEB - http://www.u-net.com/~rtaylor/
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