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Target Dusk v9

Target Dusk v1

Add missing docs about mass storage initialization

Add support for the RC2014 CF module

Thanks to David Hayden for the hardware donation.

Update Dusk

Also, improve general Makefile mechanism (see README). Also, make that
Makefile work on BSDs.

Collapse OS was broken on a real RC2014!

If I remember correctly, I *did* try the "new style" COS on the real machine,
but maybe not after I took some liberties in the xcomp files. First, "sdc$" at
init when the hardware isn't present is problematic.

Second, there's the "RS_ADDR - $100" instead of "RS_ADDR - $90" change, which I
though was innocuous (and made addresses "round", a bad habit I acquired from
working on Dusk I guess), but it turns out that it breaks COS when running on
the real thing. I'm not sure why exactly yet...

Update Dusk

Update Dusk

Update Dusk

Update Dusk

Update Dusk

Adjust docs

Now we can say that this port is in a pretty usable state

This port is now fully self-hosting!

Update Dusk

Update Dusk

Update Dusk

Update Dusk

Add the "SIO" option

Adapt to Dusk OS repo not having any machine-specific code anymore