[A83] Re: Do I get this?

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Do I get this?
From: "Jimmy Pardey" <j_pardey@hotmail.com>
Date: Sun, 26 Aug 2001 17:29:39 -0700
Reply-To: assembly-83@lists.ticalc.org

don't jump 5700 to quit (at least don't if you pllan on publishing the 
program), it may be different on different os versions. 1.13 gave me 5718, 
rather than your 5700

Jimmy Pardey


>From: "Ronald Teune" <rtwolf@gmx.net>
>Reply-To: assembly-83@lists.ticalc.org
>To: <assembly-83@lists.ticalc.org>
>Subject: [A83] Re: Do I get this?
>Date: Sat, 25 Aug 2001 18:33:00 +0200
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>
>Well I was actually too lazy to try :-)
>**
>Yes, It works.(83+) 22272=$5700
>Hey! TI changes the stack pointer right after that
>
>5700:call $254E
>
>245E:pop bc
>254F: ld sp,($86DE)
>
>If you set a breakpoint at $5700, it monitors exactly when an asm-program
>stops (not an ion program). During a quick test, I didn't find any other
>calls of $5700. Could be useful, probably.
>
> >Sure, but you probably found that out already
> >
> >
> >> ----------------------------------------
> >> From: Ronald Teune <rtwolf@gmx.net>
> >> Sent: Wed Aug 22 22:21:58 GMT+02:00 2001
> >> To: <assembly-83@lists.ticalc.org>
> >> Subject: [A83] Re: Do I get this?
> >>
> >>
> >>
> >> Well, to continue about the calls/pops/pushes:
> >>
> >> Would this program work correctly?
> >>
> >>     pop hl
> >>     push hl
> >>     bcall(_disphl)        ;shows the decimal representation of the
> >> ret-address.
> >>     ret
> >>
> >> >Ehm, yes, but you'll mess up your stack too, because you didn't remove
> >> >the original ret address from it.
> >> >
> >> >Routine should be:
> >> >
> >> >routine:
> >> > pop hl
> >> > ld hl,xxxx
> >> > push hl
> >> > ret
> >> >
> >> >--(Peter-Martijn)
> >> >
> >> >
> >> >> Out of the awnsers to my last question, I understand that when I do
>this:
> >> >>
> >> >>
> >> >>     call    routine
> >> >> .......................
> >> >>
> >> >> routine:
> >> >>     ld  hl,xxxx
> >> >>     push    hl
> >> >>     ret
> >> >>
> >> >>
> >> >> My program will get messed up and return to xxxx, instead of to the
> >> dotted
> >> >> line.
> >> >> Am I correct?
> >> >>
> >> >>
> >> >
> >> >
> >> >
> >>
> >>
> >>
> >
> >-----------------------------------------------------
> >Mail.be, Free WebMail and Virtual Office
> >http://www.mail.be
> >
> >
> >
>
>
>


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