[Coco] NitrOS-9 printing

[tim lindner]

I'm not 100% sure BASIC uses 2 stop bits. My memory says it only uses 1.

So when you set OS-9 to two stop bits you have a protocol mismatch.

On Sun, Mar 28, 2021 at 3:46 PM Ed Orbea <ed.orbea at gmail.com> wrote:
>
> I must be forgetting things. I followed Mike Rowen's set of
> instructional videos "Retro Printing For Fun & Profit" to enable
> printing from my the bit-banger port on my CoCo3 via a Raspberry Pi &
> CUPS to a network printer.
>
> After remembering to do the poke for 9600 baud (LOL) I am able to print
> (eg. LLIST) from RS-DOS successfully
>
> Now, I want to print from NitrOS-9. In my boot file, I have the SCF
> manager, scbbp.dr and p_scbbp.dd. If I remember correctly, those 3
> modules are what is needed
>
> I then use xmode to set the baud rate (xmode /p baud =86) which should
> set the '/p' device to 8 bit, 2 stop bit, 9600 baud
>
> When I execute a simple dir command redirected to the '/p' device (i.e.
> dir > /p), I get no error, the coco doesn't freeze up, but nothing is
> received by the Raspberry Pi and thus nothing is sent to CUPS for printing
>
> I assume that because the same thing happens when I forget to do the
> poke in RS-DOS, that there is a baud rate/stop bit/etc problem with my
> xmode command.
>
> Any suggestions?
>
> Thanks
>
>
>
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--
tim lindner

"Proper User Policy apparently means Simon Says."