#MC68010

Motorola family portrait of my . I don't found a cheap yet.

A collection of Motorola CPUs
2025-02-06

I ordered a new, ceramic and gold MC68010 to go in my Amiga 2000 as I remove the A2620 '020 board due to issues with some tightly-coded old and new OCS/ECS demos (my main use of the system). I came to realize some of these issues would exhibit with the '010 as well, and for very little performance gain.

And so, the loveld 68010 may become one of my "desk chips" to glance at from time to time as I do my thing at the desk, like my lovely ceramic and gold Freescale '000.

#MC68010 #Motorola #CPU #chips #Amiga #A2000 #Freescale #ceramic #vintagecomputing #retrocomputing #computinghistory #MC68020 #ByteCellar

Freescale MC68HC000 CPU next to a 2 Euro coin

All of them side by side , , and . Absent from this pic here is my framed which ended somewhere in the cellar (along with my framed ) after we have moved to a new house and the which is unaffordable right now

Vingt Trois Seize 💎vingtroiseize@mastodon.world
2024-03-21
2023-09-05

I'm doing some m68k software archeology, and found a patent describing the 68010 virtualisation features. This mistery CPU is referred by the name "VMPD 12" :) Of course, 12 is just the reference to the respective block in the figures, not implying any technical capabilities or marketing identifiers.
#mc68010 #mc68000 #68k

Patent screenshot - with text:
"VMPD 12, unlike the MC68000, is also capable of creating the illusion that the currently executing user program is executing in the supervisor state. This has been achieved by making all instructions which access the supervisor/user bit in status register SR into privileged instructions. Thus, whenever an attempt is made by the user program to modify or even read the supervisor/user bit, control will automatically revert to the supervisor."
Ethan Blantonelb@social.sdf.org
2023-08-12
Four MC68010P12 processors stuck into some dubiously anti-static foam.

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