[Coco] plans for 2 parport paks

[Willard Goosey]

I've built neither of these....

6522 based : 
Micro Magazine vol. 49, jun
1982. http://micro.applearchives.com
If there's a star in _Micro_ beyond the 6502 & 6809, it's the 6522
VIA. Trivial to wire up to the CoCo, but it does use a full 16 bytes
of I/O space.


6821 based:
www.rtsi.com/OS9/OS9_6X09/SYSMODS/PPia.lzh
www.rtsi.com/OS9/OS9_6X09/SYSMODS/ParallelPort_2_2.lzh
Includes OS-9 drivers! The longer filename has updated drivers, the
short one has the schematics for the hardware.

Willard
-- 
Willard Goosey  goosey at sdc.org
Socorro, New Mexico, USA
I search my heart and find Cimmeria, land of Darkness and the Night.
  -- R.E. Howard