CPM2 early console

[Kalle Pokki]

Alex Zeffertt wrote:

>>Are there any drawbacks to this approach?
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>>
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>
>To answer my own question: yes there is a drawback.
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>
Yes it's not so good for performance. I would be better no just 
cache-inhibit some specific memory areas.

Do you have more than one board to test this with? I only have one now, 
and this seems so odd I almost suspect a hardware flaw... but usually 
when I say this aloud it almost certainly turns out to be just a trivial 
software bug :)