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the KK Computer - a radical 6502 redesign
This
is the story of an extremely unusual microcomputer. An
industry-standard CPU chip is dramatically enhanced by off chip
circuitry - a coprocessor - that boosts the machine's capabilities into
a different class.
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Visual
Guide to 65xx CPU Timing
The animated
"rubber
band" diagrams in this article offer insight into real-world timing
margins and the tradeoffs between them. |
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One-Bit
Computing
at 60 Hertz
No Cray,
this,
but
it earns its keep. An amusing yet valid design.
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The
Diablo Proprietary CPU
This
page describes the "brain" of a Diablo 1345
printer: not a microprocessor but a fascinating proprietary
engine built out 3 PROM's and some
TTL chips.
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