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Thursday, November 28, 2024

How Address Function and Caches Should Interact (6801-derived Example)

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In addition to daydreaming about address function, segmentation, caches and the 6809 , I daydream similar things about the 6801. But the 680...

How Address Function and Caches Should Interact (6809 Example)

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I keep daydreaming about a 6809 derived CPU that provides address function output (like the 68000's address functions, bit not the same)...
Sunday, September 22, 2024

A Bird's-eye View of an Alternate History Roadmap of the 680X and 680X0 CPUs

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About the time I wrote a critique of the 680X and 680XX CPUs , I also started writing an alternate history roadmap for how they developed, b...
Wednesday, July 26, 2023

[NOTE] newline insertion on paste bug in gedit

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Intermittent bug:  gedit inserts newlines on paste under certain conditions involving the contents of the search buffer. gedit --version rep...
Sunday, July 9, 2023

Website about the TI Series 0100 Calculator Chips

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This is another website I want to remember. It gives a lot of detail on early Texas Instruments and related calculators and the electro...
Saturday, May 6, 2023

No, Higher Costs Were Not the Real Reason for the 8088 in the IBM 5051

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[This is a reply to a comment on Hackaday: https://hackaday.io/project/190838-ibm-pc-8088-replaced-with-a-motorola-68000 ] ***** For some re...
Saturday, March 11, 2023

Mapping the Panasonic Let's Note Japanese Keyboard to the Hatari Emulator

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I never owned an ST family computer, which might have been a tactical error on my part. It would have been close to an unadorned 68000-based...