[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 17:27:11 -0700
Reply-To: assembly-83@lists.ticalc.org

With my calculator, 0n rom 1.1383+, I got, with hex  convert powererd by 
casio, 5718 for the adress to return to, and 78b8 from ion within mirage.

I have had a more interesting crash than Sucker. A program managed to 
half-quit from mirage (tios ran slower than a dial up internet connection), 
and when I tried to shut my calculator down, the screen went on and off at  
a rate of about 6 hertz (cycles per second, not million cycles per second). 
I have also had a rom fail when playing with calcsys (interrupt port).

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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