[A83] Re: program counter value

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: program counter value
From: "The one and only SUCKER ..." <sucker_pvn@hotmail.com>
Date: Sun, 02 Dec 2001 13:40:18 +0000
Reply-To: assembly-83@lists.ticalc.org



> > >On Sat, 1 Dec 2001, The one and only SUCKER ... wrote:
> > >
> > > >
> > > >
> > > > >One way might be to have something like this
> > > > >
> > > > >	call	getPC
> > > > >	[..HL is now PC..]
> > > > >
> > > > >getPC:
> > > > >	pop	hl
> > > > >	jp	(hl)
> > > > >
> > > > >Although I think that if you ask how to get PC, you're not able to
> > use
> > > > >calls, so... you can also use this.
> > > > >
> > > > >	ld	hl,$E9E1
> > > > >	ld	($FE6F),hl
> > > > >	call	$FE6F
> > > > >	[..now HL is PC..]
> > >
> > > > Is this 83 and 83+ ??
> > >
> > >It should work on both yes. In the second example, the 'getPC' routine
> > >>from the first example is relocated to a safeRam area. Then you just
> > call
> > >that routine. Try it with VTI's debugger and you'll see.
> > >
> > >Tijl
> >
> > But, wait a minute !!
> >
> > What about load hl with that special sign that means the
> > location of this instruction?? (can't remember what it was)
> >
> >        SUCKER
> >
>
>ld hl,$
>I think that would work.

But also:

[...]

ld hl,current
current:

[...]

       SUCKER

>
>--
>     Ronald Teune @School
>     http://www.zeekoe.cjb.net
>     http://ti.zeekoe.cjb.net
>     Anything that's good&useful is made of chocolats
>
>Sent through GMX FreeMail - http://www.gmx.net
>
>


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