Re: A86: Re: Re: Update: Shell

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Re: A86: Re: Re: Update: Shell


yes i know all of the above, i was just explaining that the internal
variables take up less space because you dont have to add bytes,etc. to
them. now that i know what you are doing, strings are probably the way to
go, name them illegally tho :)

-----Original Message-----
From: Klukan <renegade@bmt.net>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Thursday, March 05, 1998 9:11 PM
Subject: Re: A86: Re: Re: Update: Shell


>
>Trey Jazz wrote:
>
>> storing it in the program always takes up less space than an OS
>> variable and
>> its easier to work with. also, you dont gotta worry about ppl messing
>> around
>> with your program data
>>
>> -----Original Message-----
>> From: Rob Atkinson <reatknsn@brunswickmicro.nb.ca>
>> To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
>> Date: Thursday, March 05, 1998 10:26 AM
>> Subject: A86: Re: Update: Shell
>>
>> >
>> >I'm designing my own shell, not for any release (unless I mangae to
>> do
>> >something amazing) but for my own learning interests. My first
>> question (of
>> >many) is how should I store Variables I will need to use in my shell.
>> I
>> >can't obviously use the text memory as any program I shell will want
>> and
>> >probably averwrite that area.
>> >
>> >Is the only option available data segaments in my program?
>> >ie:    .db    00h
>> >        .dw    0000h     etc?
>> >
>> >Or is their someother method of storing variables i could use?]
>> >
>> >Much thanks in advance for anyon who helps with this query
>
>First of all, I must aplogize for not posting the name.  I keep
>forgetting to ask my co-author (he writes the simple stuff so I don't
>have to--I get the hard work!).  I'll make a note of that on my infamous
>palmtop.  About Rob's question.  My menu stores the data in the
>TextShadow.  It will get erased when you exit the shell, either to the
>OS or to another program, but scanning the vars takes very little time
>(it IS a 6 mHz processor after all).  .DB and .DW are the only ways I
>know to store internal data, but you can read external data too.  Look
>at the PlainJump or SQRXZ (I recommend PJ).  Plain Jump is much shorter
>than SQRXZ and was easier for me to figure out.  It also has a nice
>scroller in the menu routine (my shell uses a modified version).  (BTW:
>Great job with SQRXZ, Jimmy!)  Look for the routines that load the level
>(PJ) or world (SQRXZ).  With those routines, you can have data stored in
>a string and then read it from there.  I don't know how to save data in
>a string (yet) but I'm sure someone else on this list does.  I hope this
>helps!
>
>-Jeremy
>
>
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