[TUHS] 68k prototypes & microcode

Al Kossow aek at bitsavers.org
Thu Feb 4 10:52:12 AEST 2021


On 2/3/21 4:41 PM, John Gilmore wrote:
> Clem Cole <clemc at ccc.com> wrote:
>>> MC 68K was created in 1980 or thereabouts.
> 
> Wikimedia Commons has a pic of a 1979 XC68000L:
> 
>    https://commons.wikimedia.org/wiki/File:XC68000.agr.jpg
>    https://en.wikipedia.org/wiki/File:XC68000.agr.jpg
> 
> After a USENET posting pointed me at them, I browsed the Sunnyvale
> Patent Library to bring home the patents for the Motorola 68000.  They
> include a full listing of the entire microcode!  I ended up copying it,
> taping the sheets together to reconstitute Nick Tredennick's
> large-format "hardware flowcharts", and hanging them in the hallway near
> my office at Sun.  Fascinating!

Oliver Galibert's work on re the 68000

https://og.kervella.org/m68k/

http://gendev.spritesmind.net/forum/viewtopic.php?t=3023


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