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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

Corrupted chip can't be opened

A topic by stduhpf created Apr 13, 2025 Views: 621 Replies: 11
Viewing posts 1 to 9

I was almost done making a functionnal brainfuck interpreter, but now I can't open the main chip anymore. It still (kinda) works as a component, reacting the the inputs as expected, but as soon as I try opening it, my screen goes full gray with no UI, and the program doesn't seem to react to any of my inputs... All the other chips in that project seem to work, it's really just the main one. 

I just tried with the new version,  it didn't fix it.

Ah I have a clue to what could have caused it, I think I accidentally deleted some simple chip that was used a couple of times in the interpreter. Remaking the same chip doesn't seem to fix it.

If you remade the same chip, you could try making the pin ID's match in the save data JSON. Not guaranteed to work, but might help

Do you know where I can find the saves? (I'm on windows)

(+1)

I found the saves at %AppData%\LocalLow\SebastianLague\Digital-Logic-Sim

Ctrl+shift+alt+o projects/projname/chips/deleted something like this

Developer

Sorry to hear that! Could you please share the project folder so I can take a look (and let me know if you’ve made any manual modifications to any of the save files please)

If you press ctrl+alt+shift+o inside the program it will open the save location in your file browser

https://drive.google.com/file/d/10hK6BaX94ouaTKpi3OO6PRIm19EqwY0q/view?usp=drive...
Here.

Thanks for the program btw, apart from this incident, I'm having a great time.

Developer(+1)

Okay thanks! I'm working on a fix so that the chip can be opened, and to hopefully avoid this issue in the future.

Developer

Should be openable in the latest version (2.1.0)

how does this chip work???