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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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256
Topics

Recent updates

Version 2.1.6
26
18
Change Log: Added a Buzzer chip for creating sounds. This has a 4-bit volume input, and an 8-bit frequency input. The frequency range is from 27.5 to 3729.3 Hz...
3 files
Version 2.1.5
8
14
Change Log: Small improvements to simulation performance Minor reduction in simulation memory usage LED colour can now be changed from context menu (right-click...
3 files
Version 2.1.4
14
Change Log: Added keyboard shortcut to pause/unpause the simulation with Ctrl + Space Advancing a single step while paused is now down with the Space key Added...
3 files
Version 2.1.3
8
16
Change Log: Added an Undo/Redo system (ctrl+z, ctrl+shift+z) Note: this does not affect menu actions (such as creating collections, starring chips, etc). Added...
3 files
Version 2.1.2
5
16
Change Log: Added hex colour input field to chip customization menu Fixed chip 'save as' incorrectly overwriting uses of the original chip Fixed bug where you c...
3 files
Version 2.1.1
7
8
Change Log: Duplicating chips (with shift+D) now includes the connected wires Fixed thread conflict that could sometimes cause simulation to stop working when e...
3 files
Version 2.1.0
1
12
Note: I've set the version to 2.1.0 because this update contains bug fixes relating to the core simulation. It's therefore possible for the behaviour of some ch...
3 files
Version 2.0.4
6
12
Change Log: Improved wire editing controls (insert/delete wire points, and show grid while snapping) Fixed bug where collection name input field couldn't be bla...
3 files
256 topics · Next page
Topic
Last post
A few frequently asked questions I've seen (will add more later). Last updated for version 2.1.6 Where are the AND and N...
started by Sebastian Lague May 12, 2025
27 replies
5,156 views
Hi everyone, I was thinking it might be fun to have a playlist on youtube to showcase different things that people have...
started by Sebastian Lague Apr 17, 2025 Last page
84 replies
5,672 views
I cant find the display where you put the in-4 input and it basically displays in a number just like on sebastian`s vid...
started by Just some random guy1 4 days ago
1 reply
60 views
So i got an idea for RAM that uses RGB displays. Because you can read and write a 8b value (using two colors for the two...
started by JustAdy Apr 18, 2025
15 replies
1,100 views
hi im making a unofficial discord server for this game: https://discord.gg/bPVG8MkMt9 we have over 200 people in it righ...
started by adamindibiemiravci Apr 14, 2025 Last page
22 replies
1,443 views
I just need some help on this
started by Rando2048 May 07, 2025
2 replies
389 views
i literally just downloaded this like 40 min ago and i see that in the earlier versions you can get the and and not gate...
started by sofus72 Apr 13, 2025
5 replies
605 views
I made an Android port. Check it out here: https://play.google.com/store/apps/details?id=com.DavidCarpenfelt.DigitalLogi...
started by Carpen 22 days ago
3 replies
165 views
I have ported DLS to iOS. Use this link to sign up as a tester: https://testflight.apple.com/join/EfyEfZvH
started by Carpen 19 days ago
42 views
No replies yet
does anyone have a solution
started by lululeteugdu74 27 days ago
2 replies
191 views
What is the easiest way to build a Stack and implant it on CPU? Diagram?
started by Bendy509 27 days ago
2 replies
134 views
I just noticed it would be nice to have a random number generator. I know I could just use a clock, a binary counter and...
started by virtual_matt 57 days ago
5 replies
385 views
Since I built my CPU with a costum ISA in DLS, I've literally been in love with my ISA, because I made it. Guess what? I...
started by virtual_matt 26 days ago
3 replies
170 views
i just need the simplest, most idiot-proof method to making a simple binary counter
started by Rando2048 87 days ago
4 replies
547 views
I've been following the digital logic playlist Sebastian has on his yt and he's using a 7-segment display with a - sign...
started by MarsDarklighter 26 days ago
1 reply
123 views
having a empty bus causes the whole simulation to stop working including the clock until i delete the bus (including the...
started by MartenV 26 days ago
29 views
No replies yet
so when i download app i have just a nand gate. Can someone tell me how to add other basic gates?
started by Majofer1352 28 days ago
1 reply
200 views
I made this prototype Snake game with this logic simulation, Currently you can move throughout the screen via WASD with...
started by BaconLogic Apr 22, 2025
14 replies
661 views
can you do that?
started by ORYX Apr 12, 2025
5 replies
645 views