Re: ADT under Apple II emulation on Apple III?

[schmidtd <schmidtd@my-deja.com>]

On Nov 30, 11:39 am, sc...@alfter.DIESPAMMERSDIE.us (Scott Alfter)
wrote:
> In article <8d9cb28a-c16c-4e30-97b5-82c092c28...@b40g2000prf.googlegroups.com>,
>
> N.N. Thayer <nntha...@hotmail.com> wrote:
> >I've been trying to get ADT to work on my III under II emulation.
>
> If ADT is like most Apple II comm programs and twiddles bits on the 6551
> directly, the III's SSC emulation would have to extend down to the hardware
> level (which would put the 6551's registers at $C0x8-$C0xB, for values of x
> from 9 to F inclusive).  If it doesn't do that and instead only emulates the
> functionality of the SSC firmware (which normally is only used for
> printing), it's not going to work.

ADT definitely twiddles bits on the 6551 when talking to an SSC.  You
might try ADT's "Laser 128" setting - that tries to use Pascal
firmware entry points in slot 2.