Envelope-to: craig@sbc-85.com
Delivery-date: Thu, 16 Oct 2025 18:45:13 -0500
MIME-Version: 1.0
From: Ray Potcinske <potcinske@gmail.com>
Date: Thu, 16 Oct 2025 18:44:48 -0500
Message-ID: <CAL-e3oS2jsTMGyoC0x8dv+O3hEzWdxZiAXEJjFVPfN=Gfs4EOw@mail.gmail.com>
Subject: You probably already heard this - a good read.
To: SBC-85 <craig@sbc-85.com>
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recap:  Long duration space missions where ground support is long gone for
the very obsolete systems. They reached out to the hobby community for
support.

http://www.cosmacelf.com/publications/books/a-tale-of-two-processors.pdf

This community is about the RCA CDP1802 CPU. I sent you a few of these as
well. For educational purposes I think it is probably the best CPU for the
beginner & up because it can be clocked at zero - single stepping if you
will as it executes code.

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<div dir=3D"ltr">recap:=C2=A0 Long duration space missions where ground sup=
port is long gone for the very obsolete systems. They reached out to the ho=
bby community for support.<div><br></div><div><a href=3D"http://www.cosmace=
lf.com/publications/books/a-tale-of-two-processors.pdf">http://www.cosmacel=
f.com/publications/books/a-tale-of-two-processors.pdf</a><br></div><div><br=
></div><div>This community is about the RCA CDP1802 CPU. I sent you a few o=
f these as well. For educational purposes I think it is probably the best C=
PU for the beginner &amp; up because it can be clocked at zero - single ste=
pping if you will as it executes code.</div></div>

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