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Python

A collection of 3 posts

MOS paper tape format

MOS paper tape format

I built the world's worst paper tape reader some weeks ago. It works pretty okay on anything with a USR-style port like a KIM-1 clone or a VIC-20. 0:00/1× Paper tape was (and is) an interesting medium. Sure it's hard to work with and fragile, but it also

A visual 100 Door Problem solution in Python

A visual 100 Door Problem solution in Python

Last year, we did the 100 door problem on many platforms in BASIC and Assembly language [https://imapenguin.com/just-for-fun-the-100-door-problem-on-several-different-systems/] . The 100 door problem is: * There are 100 closed doors in a row. * You walk past the doors 100 times (100 passes) * The first time, visit every door. If the

Permutations of 1 to 9 in Python, BASIC, and 6502 Assembly

Permutations of 1 to 9 in Python, BASIC, and 6502 Assembly

Someone asked me this week if I would help him with a graph theory problem on 8-Bit machines. The first task was to get all permutations of 1 to 9. Since the total permutations is 9! (362,880) I knew this would take a while. Learning without learning, the standard