Re: [cc65] RS-232 on the C64

From: Spiro Trikaliotis <ml-cc651trikaliotis.net>
Date: 2010-11-30 19:45:26
Hello,

* On Tue, Nov 30, 2010 at 07:20:24AM +0100 Groepaz wrote:
 
> > However, VICE does implement virtual RS-232 through Kernal
> > emulation code to a telnet connection.  Those work fine using
> > the stock calls, since VICE intercepts them.  I'd like to get that
> > working w/ vice.  I'll assume I need to go the route of direct Kernal
> > calls.
> 
> it does? since when? :) afaik rs232 emulation doesnt use kernal traps at all,

Right. Instead, it emulates bit-banging on the userport side. Thus,
there is a bit-banging from inside (C64 KERNAL) working with the
bit-banging from outside (VICE). It is a real surprise that it works at
all. ;)

> and if you want to use telnet you still have to do hackish stuff with piping 
> i/o through something like tcpser.

No, you do not. If you "only" need the data (TXD/RXD), you can directly
connect to a port without the need to use tcpser.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis                              http://opencbm.sf.net/
http://www.trikaliotis.net/                     http://www.viceteam.org/
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Received on Tue Nov 30 19:45:44 2010

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