[Coco] Wefax CoCo Program - (WAS) Disk Basic and 512 byte block floppies.

Robert Gault robert.gault at worldnet.att.net
Sat Jan 24 23:09:58 EST 2004


Stephen H. Fischer wrote:
> Hi,
> 
> In case anyone is interested, Marty made available a disk of Wefax with
> additions which I have (Source).
> 
> I actually received transmissions from Pt. Reyes and have saved the Wefax
> screen pictures. Anyone want to look at them?
> 
> 
>>As I recall (and I never used the software, though I did see examples of
>>its output), you were supposed to open up the CoCo and adjust a trimming
>>capacitor (which acted as fine adjustment on some aspect of the CoCo's
>>timing) until the graphs came out square, which meant your CoCo's timing
>>was according to spec.  The typical CoCo would be a little off unless
>>adjusted.  This was supposed to be a one-time adjustment.  Dunno how well
>>this worked.
>>
>>Art
> 
> 
> There was a later program ($$$$$$) for the CoCo 3 which I never saw.
> 
> The one in the Rainbow used one of the joysticks to adjust the picture
>      from:          to:
>      XXXXX         XXXXX
>       XXXXX        XXXXX
>        XXXXX       XXXXX
>         XXXXX      XXXXX
>  (View using mono spaced font please).
> 
> It was not hard, the joystick was used as a bang bang controller, center to
> receive, way right to adjust (or way left?).
> 
> 
>>The one I ran was from the Rainbow article, but I've NDI (craft thing)
>>what issue it was in now.  And yes, it used a radio transmission
>>which may not even be being done today.  It would run I'd imagine if
>>a src signal could be found.
> 
> 
>>From the Source, look at the early 1984 and late 1983 Rainbows for the
> article(s).
> 
> * FACSIMILE RECEIVE PROGRAM.   *
> * THIS WILL RUN ON A 64K COLOR *
> * COMPUTER (TRS-80C) WITH      *
> * EXTENDED COLOR BASIC OR      *
> * DISK EXTENDED COLOR BASIC.   *
> * THE CASSETTE EAR PLUG (BLACK)*
> * SHOULD BE PLUGGED INTO THE   *
> * RADIO'S EARPHONE OUTPUT OR   *
> * CONNECTED ACROSS THE SPEAKER.*
> 
> * LAST MODIFIED JULY 28, 1984. *
> 
> 
>>-- 
>>Cheers, Gene
> 
> 
> Stephen H. Fischer <sfischer1 at mindspring.com>
> 
> 
> 
> 

I sold/sell a WEAFAX version for the Coco3. The original did not require 
doing anything to the Coco. There were trim constants in the Basic 
loader program which corrected timing errors.




More information about the Coco mailing list