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/
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