[Coco] Emulating RS-232 Pak?

[phil pt]

Does it support harddrives please?



On Wed, Feb 14, 2018 at 7:53 PM, tim lindner <tlindner at macmess.org> wrote:

> On Tue, Feb 13, 2018 at 8:29 AM, Allen Huffman <alsplace at pobox.com> wrote:
> > Do any CoCo emulators emulate the RS-232 Pak or Serial I/O port?
>
>
> The MAME emulator does emulate the bit bangger port and the rs-232 serial
> pak.
>
> I just did some experimenting about found some bugs. :)
>
> On the command line you can attach a dumb terminal to the serial port like
> this:
>
> mame64 coco3 -rs232 terminal
>
> This will start MAME with two screens, the CoCo screen and a terminal
> window. They both get the same keyboard input, at the same time. I
> could not figure out how to direct the keyboard to either one or the
> other. You have to use the MAME UI to set the speed and settings of
> the serial port to match what BASIC will be sending down the pipe. If
> you poke BASIC to go faster or slower you'll need to use the MAME UI
> to reconfigure the port.
>
> Also when I print #-2, from the CoCo it seems to wait for a response
> from the terminal before printing the next character. I think this was
> something Tandy printers did by default. There doesn't seem to be a
> way for the terminal emulator to do this.
>
> I next tried the pseudo terminal interface.
>
> mame64 coco3 -rs232 pty
>
> This will cause MAME (on unix machines) to create a bi-directional
> pseudo terminal. You use the MAME UI to find out that name of the
> pseudo terminal, on my system it was always /dev/ttys001. With this
> setup you can use the unix Screen command to create a terminal
> emulation in one window communicating with the CoCo emulation in
> another:
>
> screen /dev/ttys001
>
> I was using Twilight terminal to test, and I could not get anything I
> typed on the CoCo to correctly display characters on the terminal. I
> always got UNICODE <?> missing characters. But whatever I typed on the
> terminal side it did correctly show up in Twilight Terminal. So it was
> half working.
>
> You can also use the NetCat program to broadcast the pseudo terminal
> on to the wider internet:
>
> nc -l 6809 0<>/dev/ttys001 >&0
>
> This will open a listening port on your computer (port number 6809).
> If anyone connects it will pipe the information bi-directionally to
> and from the CoCo emulation.
>
> I also see a Deluxe RS-232 Program Pak being emulated. It is a slot
> device that can be put into the CoCo's expansion port or the multi
> pak:
>
> mame63 coco3 -ext rs232
> mame64 coco3 -ext multi -ext:multi:slot2 rs232
>
> I expected a new slot to be created where you could specify an
> emulated terminal or a psuedo terminal but nothing show up in the
> -listslots command.
>
> This deserves more study and bug fixes. I'll see what I can do.
>
>
>
> --
> --
> tim lindner
>
> "Proper User Policy apparently means Simon Says."
>
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>