Re: TI-H: damaged link port?

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: damaged link port?
From: Adam Davis <adavis@baladyne.com>
Date: Fri, 14 May 1999 10:37:09 -0400
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: ti-hardware@lists.ticalc.org
References: <01BE9E17.A60192F0@PETER>
Reply-To: ti-hardware@lists.ticalc.org


I would suggest you get the 92 emulator for your pc, and see if you can
get it working that way.

-Adam

Peter Zehnal wrote:
> 
> Hi there,
> 
>   I am developing a little hardware based on PIC microcontroller that
> connects to TI-92 through link port. Everything that is sent from TI
> is received by PIC (I used fterm and linkport progs on TI). But when
> PIC tries to send anything to TI then TI does not respond to falling edge
> of either of link cables. I tried my own home made GraphLink cable I
> built few weeks ago and problem is the same - i.e. PC receives all that
> TI sends but TI will not accept anything PC sends. I checked over PIC SW
> few times and I can't see any mistake there. Is it possible that I damaged
> link port (or part of it) somehow even though that TI sends data correctly?
> 
> Thanks for any response.
> 
> zehnalp@computel.sk

References:

TI-H: damaged link port?

From: Peter Zehnal <zehnalp@computel.sk>