[Coco] model 4 cp/m

[Richard E. Crislip]

> Model III mode.  It's not like the difference between a CoCo 2 and a
> CoCo 3, the Model 4 is a very different machine from a Model III, and
> to run the Model III software it has to do a lot of magic.
>
I did not know that. I always thought they were essentially the same, just 
improved.
> And the Model III has *way* too many operating systems.  And the worst
> part is, most of them can't read disks from any of the others!
Yeah... that's a bummer. I am dealing with that right now, because I'm in the 
process of completely moving away from the old Amiga. Fortunate folks did 
develop the necessary conversion tools. But I always wanted to have one of 
those TRS80 machines, especially the Model 4. But not now. Microsoft Windows, 
Linux and the ole CoCo are all I can handle right now.