RetroBrew Computers Forum
Discussion forum for the RetroBrew Computers community.

Home » RBC Forums » General Discussion » CB030, A 68030 SBC for hobbyists
Re: CB030, A 68030 SBC for hobbyists [message #10111 is a reply to message #10110] Mon, 22 August 2022 18:36 Go to previous messageGo to previous message
mikesmith is currently offline  mikesmith
Messages: 80
Registered: March 2018
Member
Bill,

Thanks for the thoughts. I did wire up hardware flow and enable it in the OS-9 driver, and I've verified that at least my desktop is respecting the signal by unplugging the wires. That didn't help. I also noticed the OS-9 driver only took one byte from the FIFO per interrupt rather than draining it - patched that too. Still no joy. The driver has a lot of "extra" features (error reporting, Xon/Xoff flow control, etc.Wink that might be making it slow. Tonight's experiment is going to be to save the overflow status somewhere to test the hypothesis that the problem is actually interrupt latency.

I'd definitely be happy to buy a quad serial board off you and add support for it, but for obvious reasons I also want to fix this so that folks that aren't so lucky have a sensible file transfer option.

... and thankyou for reminding me about Kermit. It works fine at 38.4kbps, so go figure. Either it's doing a better job of correcting the errors, or there's something wrong with the ZModem receive app. Either way, victory!

[edit] I've updated the installation instructions and done a little more tinkering. I think things are looking pretty OK. Would be interested to hear how folks are getting along, and whether maybe I should start another thread...

[Updated on: Mon, 22 August 2022 20:31]

Report message to a moderator

 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message icon3.gif
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: ZRC, A Z80 SBC for ROMWBW
Next Topic: Neat '040 boot ROM setup


Current Time: Sat Sep 27 21:01:11 PDT 2025

Total time taken to generate the page: 0.39616 seconds