[Coco] MC6847 External ROM REV02

[Zippster]

Just ordered boards from OSH Park for REV02 of the MC6847 External ROM.

<https://plus.google.com/118352500538051706779/posts/d3HV2p5iqn2 <https://plus.google.com/118352500538051706779/posts/d3HV2p5iqn2>>
<https://drive.google.com/open?id=0B1sgl615FlGneVBKSGZ2dHA0Vms&authuser=0 <https://drive.google.com/open?id=0B1sgl615FlGneVBKSGZ2dHA0Vms&authuser=0>>

If all is well when I get them, I’ll do a small run of these for people who are interested.  :)

- Ed