[Coco] Serial Port file transfers

[L. Curtis Boyle]

On Fri, 10 Nov 2006 15:32:31 -0600, Jim Hickle <jlhickle at yahoo.com> wrote:
> I have a stock 512k 6809 CoCo 3 running Nitros9  v 3.2.6.
> Using X-Modem, with the port set at 4800 bps, downloads to the coco are  
> 380 cps.  With the port set to 9600 bps, downloads drop to 188 cps.
>
> I found my old SACIA disk, which keeps giving me CRC errors when I try  
> to read it.  Haven't put SACIA into a bootfile yet because I've been  
> fighting a bootlist order problem whilst adding a ram disk.
>
> (OOOO! I just remembered that the SACIA driver and a t2 descriptor can  
> be loaded AFTER system boot. )
>
>
> Ever the optimist, I tried 'xmode /t2 par=2 xtp=8' like in the SACIA  
> instructions, but it didn't help.
>
> I shall keep trying.
> -jim

Switch to Ymodem (or 1K Xmodem, as it is sometimes called); it will be  
much faster. There is too much overhead on Xmodem 128 byte packets to get  
decent throughput... and it gets worse the faster you go.

-- 
L. Curtis Boyle