mrdoornbos

Continuing my fun with the Enigma machine: I wrote two emulators for a Commodore 64, one in BASIC and the other in Assembly (Turbo Macro Pro, coded on a C64).

The BASIC version does about 3 characters per second. The assembly version can encrypt/decrypt roughly 1500 characters per second.

Feb 20 at 8:14pmWeb
Show threadmrdoornbosFeb 20

Here's the article and the code:

https://imapenguin.com/2026/02/enigma-emulator-on-the-commodore-64/

Enigma Emulator on the Commodore 64

Building a working Enigma M3 emulator on the Commodore 64 in BASIC and 6502 assembly.

Imapenguin
Show threadNick MaherFeb 21
@mrdoornbos Very cool project! Nice work on the 6502 implementation.