[Coco] Wiring inputs to the Coco : Followup

Bruce W. Calkins brucewcalkins at charter.net
Thu Jan 22 20:00:21 EST 2015


I got the book (Build Your Own Universal Computer Interface by Bruce Chubb) 
today and was disappointed.  It is a Second Edition and was rewritten for 
Pentium era computers with no mention that I see so far for 8 bit machines.
So, one needs to get the original Edition, and probably update the designs 
themselves.
Bruce W.
=================

----- Original Message ----- 
From: "Bruce W. Calkins"

> There was a serial to parallel interface in the mix, but I'll have to 
> review the whole system again before I make any declarations as to 
> viability of the system today.
>
> Bruce W.
>
> ==================
>
> ----- Original Message ----- 
>
> From: "Bob Devries"
>
>> Bruce Chubb still has a web page dealing with that. It was called C/MRI. 
>> Find it here:
>>
>> http://jmri.sourceforge.net/help/en/html/hardware/cmri/CMRI.shtml
>>
>> If I remember correctly, the software was in the cartridge space $C000, 
>> which precluded using a disk drive. :(
>>
>> Regards, Bob Devries
>> Dalby, QLD, Australia
>>
>>
>> On 12/01/2015 1:49 PM, Bruce W. Calkins wrote:
>>> Back in the '90s there was a series of articles in Model Railroad
>>> Magazine for an interface to run a model railroad with an 8 bit
>>> computer.  There were adapters for most of the popular 8 bitters and the
>>> CoCo was one.  I did save the articles, but have no idea if the
>>> components and circuit boards can be obtained today.
>>>
>>> Bruce W.
>>>
>>> ==================
>>>
>>> ----- Original Message -----
>>> From: "Jamie"
>>>
>>>> Thanks for this!  Looking for projects to connect to the outside world.
>>>> Jamie
>>>>
>>>> For those not really handy at building circuits for your Coco....
>>>> The ORC-90 sound cart has two, eight bit output chips that are
>>>> used to create the sounds. These chips can also be used to control
>>>> SIXTEEN relays or transistors to control other things.
>>> --- 


---
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