Re: A86: Useful Information
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Re: A86: Useful Information
Good! :-) Can you tell if I'm right in thinking that the [sqrt]KEY and
[sqrt]HOME programs have different uses depending on whether the zero flag is set
at the end?
Pat Milheron wrote:
> You guys are getting closer...
>
> Later,
> Pat
>
> ------------------
> Original text
>
> From: Stephen Hicks <shicks@mindspring.com>, on 4/21/98 1:19 AM:
>
> --snip from an earlier mail on this list-- :-)
>
> Subject: Re: A86: Re: stop
> Date: Mon, 9 Mar 1998 20:28:33 -0700
> From: "Kirk Meyer" <_@IBM.net>
> Reply-To: assembly-86@lists.ticalc.org
> To: <assembly-86@lists.ticalc.org>
>
> Okay, alright already I'll tell you. (IY+$24) contains flags for running
> special programs. These programs and there corresponding bits are as
> follows:
> 0: (sqrt)PARSE
> 1: (sqrt)FORM
> 2: (sqrt)EXEC
> 3: (sqrt)EXPR [I'm not sure about that one... it might be 6,(IY+$23)]
> 4: (sqrt)HOME
> 5: (sqrt)CMDTOK
> 6: (sqrt)KEY
> 7: (sqrt)GRF
> if these bits are set and these programs exist, then they are run whenever
> the specified action occurs. therefore if you move some code into a new
> program called (sqrt)whatever then it will be called every time your
> specified thing happens. in the TI demo it installs #6, (sqrt)KEY and if it
> sees you are at a memory screen (by looking at _CXCURAPP) it does some stuff
> to make sure you don't delete anything. i think, for example, it would be
> possible to make a routine that ran every time you went to the home screen
> (#4), every time you went to the graph screen (#7), every time you enter a
> command must be processed (#0), every time a program is run (#2), etc. i
> haven't tried any of these so feel free to correct me if i'm wrong.
> Kirk
> _@ibm.net
>
> Trey Jazz wrote:
>
> > if you set the flag for the corresponding program and the program exists it
> > runs the routine everytime that command is done, like sqrtKEY is run when a
> > key is pressed sqrtPARSE is run before the calc does parsing...stuff like
> > that
> >
> > >I probably should have paid more attention to this list, but what are all
> > >of the [sqrt] functions?(i.e. [sqrt]PARSE)
>
> --
> Stephen Hicks
> mailto:shicks@mindspring.com
> ICQ:5453914
> IRC:Kupopo
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