[Coco] Writting a Rs-232 Pack Emulator .dll

phil pt ptaylor2446 at gmail.com
Tue Dec 31 19:47:29 EST 2019


Thank you for the information but I still not understand how to get the
rs232 pack emulator to write the memory address in bcc?

On Sat, Dec 28, 2019 at 21:03 RETRO Innovations <go4retro at go4retro.com>
wrote:

> On 12/28/2019 7:25 PM, Robert Gault wrote:
> > Phil,
> >
> > I'm not sure exactly what you are asking. At the very least, you
> > should obtain the following:
> >
> >
> http://www.colorcomputerarchive.com/coco/Documents/Manuals/Hardware/Deluxe%20RS-232%20Operation%20Manual%20(Tandy).pdf
> >
> >
> >
> http://www.colorcomputerarchive.com/coco/Documents/Manuals/Hardware/Deluxe%20RS-232%20Program%20Pak%20Schematic%20(Tandy).pdf
> >
> >
> > These manuals will show you what is inside the RS-232 pak and the
> > bytes at which it receives and sends data: $FF68-$FF6B.
> >
> > You might want to look at the NitrOS-9 code that communicates with /P
> > and /T# as the RS-232 pak is used for both printing and terminal use.
> > scbbp.asm   for printing
> > scbbt.asm   for terminal use
> > sc6551.asm  driver
> >
> > Robert
>
> I'd also suggest the 6551 datasheet:
> http://www.princeton.edu/~mae412/HANDOUTS/Datasheets/6551_acia.pdf
>
>
>
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