Re: A85: JUMP_() bytes
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Re: A85: JUMP_() bytes
>From: richardlewis@cedarcity.net (Richardlewis)
>Subject: Re: A85: JUMP_() bytes
>Date: Wed, 29 Apr 1998 18:40:25 GMT
>To: assembly-85@lists.ticalc.org
>Reply-To: assembly-85@lists.ticalc.org
>
>
>JUMP_() takes up five bytes. Look at the header for more info. Look
at
>the MISh source or tiny phat if you want to know how it works.
>
>-> On Wed, 29 Apr 1998, Phantomlogic _ wrote:
>->
>-> >
>-> > Can someone tell me how many bytes a jp or JUMP_() instruction
takes up?
>-> >
>-> > Thanx.
>-> >
>-> jp takes up 3 bytes because it stores the instruction (1 byte) and a
16
>-> bit address (2 bytes)
>-> jr takes 2 because it only uses an 8 bit relative address.
>-> JUMP_() I think takes up more because it's a Zshell macro for a
jump. It
>-> probably pushes hl and de, fixes the address in the jp instruction
and
>-> then pops them back. But to find out what it does you'll have to
look at
>-> the zshell include file.
>-> If you want to know the size of all the intructions there's a list
of them
>-> on ticalc.org.
>->
>-> -Humberto Yeverino Jr.
>->
>-> "Small potatos make the steak look bigger."
>->
>-> http://www.engr.csufresno.edu/~humberto/Home.html
>-> humberto@engr.csufresno.edu
>->
>-> <font size=3>For browsers:<br>
>-> <a href="http://www.engr.csufresno.edu/~humberto/Home.html">
>-> Have a look.</a></font><br>
>->
>
>
>
Is it the same number of bytes for the Zshell JUMP_() command as in
others (I use TASM to assemble)?
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