[Coco] [OFF] Hitachi MB-6890 information needed

[Luis Antoniosi (CoCoDemus)]

I thought they had a master plan under their sleeves like making a 6809
computer much more powerful than any other competitor :)


On Tue, Apr 22, 2014 at 2:33 PM, Arthur Flexser <flexser at fiu.edu> wrote:

> Definitely an Easter egg, Luis.  There's a secret sequence of 3
> undocumented 6309 opcodes that when executed causes the display of a
> full-color portrait of those wacky Japanese pranksters that added the extra
> features to the 6309.
>
> Art
>
>
> On Tue, Apr 22, 2014 at 1:58 PM, Luis Antoniosi (CoCoDemus) <
> retrocanada76 at gmail.com> wrote:
>
> > So are you saying the 6309 extra features is a EASTER EGG?
> >
> >
> >
>
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