https://github.com/wolfadex/elm-lc3

A rough implementation of Little Computer 3 (LC-3) in Elm
https://github.com/wolfadex/elm-lc3

elm lc3 vm

Last synced: 11 months ago
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A rough implementation of Little Computer 3 (LC-3) in Elm

• Host: GitHub
• URL: https://github.com/wolfadex/elm-lc3
• Owner: wolfadex
• Created: 2025-07-09T00:35:09.000Z (11 months ago)
• Default Branch: main
• Last Pushed: 2025-07-09T03:08:53.000Z (11 months ago)
• Last Synced: 2025-07-09T03:36:43.806Z (11 months ago)
• Topics: elm, lc3, vm
• Language: Elm
• Homepage:
• Size: 7.81 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# LC-3

A rough implementation of Little Computer 3 (LC-3) in Elm

Play with it here https://wolfadex.github.io/elm-lc3

Learning resources for my implementation

- https://zserge.com/posts/post-apocalyptic-programming/

- https://github.com/SrivastavaShreyas/Little-Computer-3-LC-3/blob/main/pseudoCode.c

- https://medium.com/@saehwanpark/diving-deeper-into-lc-3-from-opcodes-to-machine-code-4637cf00c878

- https://hwang.lasierra.edu/~enoch/CPTG%20245/LC-3/LC-3%20Instructions.pdf

Op codes supported

- [x] ADD

- [x] AND

- [x] NOT

- [x] BR

- [x] JMP

- [x] RET

- [x] JSR

- [ ] LD

- [ ] LDI

- [ ] LDR

- [ ] ST

- [ ] STI

- [ ] STR

- [ ] LEA

- [ ] TRAP

    - [x] HALT ends the program

    - [x] GETC gets an ASCII character

    - [x] OUT prints an ASCII character