Test program for port A

[Robert Grabau]

Before writing a test program for port A, does one exist?  So far, everything works just fine, except Port A.  Trying "console a" and nothing in or out.  CP/M-80 is running very well too.  I bought the following hardware from Amazon (US):

https://www.amazon.com/gp/product/B06WRSY3NF

https://www.amazon.com/gp/product/B01IZOOUGC

https://www.amazon.com/gp/product/B07BFC2WG2

So far no issues, other than two solder blobs that stopped the board from running right.

If no test program exists for port A, does the ROM initialize Port A (I would assume yes)?  So a simple port banger would do it.

AstroBob

[Steve Cousins]

Hi Robert

There is not a test program as such, but just selecting "console a" should work.

Serial port A is configured by default for 9600 baud, as described here:

http://linc.no/products/linc80-sbc1/on-board-devices/

I assume you have the necessary cables, again as indicated at the above link.

Steve

[Jon Langseth]

Steve's decription here is spot on. The SIOA serial port should work out of the box. Not that the SIOA is a full RS232 port with 12V signal levels on a DTK pinout connector, and clocked at 9600bps by default. Refer to http://linc.no/products/linc80-sbc1/on-board-devices/#serial for documentation.

In addition to issuing the "console a" command, using the Grant Searle Loader may be used as a "verification tool" of sorts. For more information, look up the two differen ways to start GSL at the Software documentation http://linc.no/products/linc80-sbc1/software-for-the-linc80/#gsl

And I probably should have started this post with the question: Are you still having issues? :)

[Robert Grabau]

Jon,
to answer your last question first, Yup, still having issues with the A
port.  The B port works like a champ.   So, since the weather is fine, I
am going out to fly my quadcopter, do some observing through my scopes,
do a little testing of new hardware for my portable scope until it rains
this weekend.  Then I will get back to why port A is non-responsive.

Clear Skies,

AstroBob

> <https://www.amazon.com/gp/product/B06WRSY3NF>
> https://www.amazon.com/gp/product/B01IZOOUGC
> <https://www.amazon.com/gp/product/B01IZOOUGC>
> https://www.amazon.com/gp/product/B07BFC2WG2

> <https://www.amazon.com/gp/product/B07BFC2WG2>
>
> So far no issues, other than two solder blobs that stopped the
> board from running right.
>
> If no test program exists for port A, does the ROM initialize
> Port A (I would assume yes)? So a simple port banger would do it.
>
> AstroBob
>

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--
Bob Grabau

http://www.astrohbg.org
http://www.cherrysprings.org

Our Star Party: June 14-17, 2018 Cherry Springs State Park, PA