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Posted on July 7, 2022September 14, 2025

65816 Emulator: Threading in Python Very Slow

I haven’t talked much about my 65816 emulator but it’s been essential in porting my 6502 Forth over to my new 65816 build. The slowdown I mentioned in my post 6502: Coding – Just because it works doesn’t mean it’s correct though was becoming annoying. Starting up my Forth operating system in the emulator took …

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Posted on April 9, 2022September 14, 2025

6502: Coding – Just because it works doesn’t mean it’s correct

I ran into an interesting problem the other day trying to upgrade my 6502 build 4 to work with the 65816. I plan to write more on this in another post, but after just one minor change I got build 4 with a 65816 to almost startup my 6502-based Forth operating system. For some reason, …

Continue reading “6502: Coding – Just because it works doesn’t mean it’s correct”

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