Posted By
TLC
on 2021-07-22
12:07:12
|  Re: Question: Send and recieve data to UNIX-System with the commodore plus/4
@George : wow... Looks nice! 
I tried logging in over ssh, but I got a network connection refused. Verified, I get an explicit connection refused from cray.modularcircuits.com. Maybe, there's a firewall there with an explicit IP allow list to permit access? Update: however, the in-browser ssh client did work indeed.
As speaking of the data exchange with the Plus/4, as I understood then, you were looking for a complete software TCP/IP + hw stack. Unfortunately I don't know abut such solutions for Plus/4. The closest one would be Daniel Dallmann's LUnix OS http://lng.sourceforge.net/ which was written for C64 (and could maybe ported to Plus/4 without too much difficulty). LUnix had a working TCP/IP stack with SLIP and PPP support over RS-232. (No direct Ethernet support here either as far as I'm aware). Maybe, porting other software with embedded TCP/IP stacks from C64 could be also options, I don't really know. There might be more recent developments that I'm not (yet) aware of.
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