Re: TI92 EXEC


[Prev][Next][Index][Thread]

Re: TI92 EXEC



Philippe Devallois schrieb:
>
> Arno Kizina <Arno.Kizina@T-ONLINE.DE> wrote:
>
> > SPUI schrieb:
> >
> > > What is this exec thingy? Is this on the 92+?
> >
> > Yes, and on the 89 indeed.        A.K.
> >
>
> The exec cmd try to call in RAM an asm procedure.
>
> Try : exec "0" for an illegal instruction error in  the top of screen
>
> You must reset your TI92+ with the 3 keys stroke after such error.
>
> But the PlusShell distribution with the disas prgm is excellent for this
> exec cmd.
>
> you lower the top of ram (in adress 200000 for example) and put in this
> the asm program. (Same as the technic used with PET 2001 (CBM) in the
> 80' years, for asm programming)
>
> Then you could exec' the fixed adress.
>
> Due to garbage collection, wich moves the progs on ram at any time,
> don't try to exec an .9xy prog directly.
>
> I'm trying to put an asm prog in the flash rom, please stay on the list
> for my next post to see how.
I tried that too, but it seems to be impossible without knowledge of the
mechanism used by TI, simply poking values doesn't work         A.K.
>
> Good luck and sorry for my frenchglish.
>
> --
> phildev a ti's lover


Follow-Ups: References: