Re: ROM-functions & internal RAM

The startup file is right...location 6B has the scheduler timer reload
value.  The User's Guide needs to be fixed.

Kris

----- Original Message -----
From: "Bernard" <[email protected]>
To: "Kris Ardis" <Kristopher.Ardis-6tN4nzCoH/[email protected]>
Cc: "TINI" <tini-6tN4nzCoH/[email protected]>
Sent: Friday, January 30, 2004 11:33 AM
Subject: Re: [TINI]ROM-functions & internal RAM


> Thanks very much!
> But I don't know who I ought to believe:
> - startup400.a51 writes:
>      " org     68H
>      wos_crit_count: DSB     1"
> - High-Speed Microcontroller User's Guide: DS80C400 Supplement page 195
> writes:
> "entercritsection - enter critical section. This function increments the
> variable wos_crit_count located in direct data memory at addres 6Bh."
>
> 68 or 6B? Where is the true?
>
> Bernard
>
>
> > There are a number of internal locations declared in
startup400.a51--these
> > are the ones that are used by the ROM.
> >
> > Kris
> >
> > ----- Original Message -----
> > From: "Bernard" <[email protected]>
> > To: <tini-6tN4nzCoH/[email protected]>
> > Sent: Friday, January 30, 2004 3:33 AM
> > Subject: [TINI]ROM-functions & internal RAM
> >
> >
> > > Dear TINI Authors and Users,
> > >
> > > Some ROM-functions destroy internal (scratchpad) RAM. I know,
"rom_init"
> > > function clears direct and indirect RAM (scratchpad) 00h-FFh.
> > > But after using "rom_init" ! :  are there any areas of 00h-FFh
internal
> > > memory (excluding SFR) that are not distroyed by anoher ROM-functions
> and
> > > are "safe" for using by user?
> > > (For example: "entercritsection" and "leavecritsection" functions
change
> > > memory at address 6Bh.)
> > >
> > > Regards
> > > Bernard
>


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