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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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269
Topics

Recent updates

Version 2.1.6
26
20
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
269 topics · Next page
Topic
Last post
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
90 replies
6,475 views
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
26 replies
6,430 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
26 replies
1,850 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 59 days ago
11 replies
561 views
It's based off the LEG from the game "Turing Complete." The program I wrote is made using customasm. It took over 2 minu...
started by Perodactyl Apr 14, 2025
8 replies
463 views
good day, 1) i wander how to calculate time-delay of a chip we only have a NAND gate for start, say it has delay 1, and...
started by daemonaaspb 1 day ago
14 views
No replies yet
Its less of crashing and more of not starting at all? If this is a known issue please help me!
started by imdevXD 1 day ago
9 views
No replies yet
i used roms for my 4-bit adder chip, and it did 1,000,000 operations per second, i think my original did 384000. i also...
22 views
No replies yet
Gates are fun when you are starting out in digital stuff, but if you want to step up your game, you'll gonna need to lea...
started by Arnadath 19 days ago
8 replies
382 views
pulses appear to be a lot longer than one tick and i need a one tick pulse
started by tttoby 4 days ago
1 reply
38 views
Is there a Unity patch for this program? The important Unity fix for the "CVE-2025-59489 security vulnerability".
started by vdaa 5 days ago
21 views
No replies yet
Should I use stuff like logic ribbons and data that the game gives me, or not. I'm trying to prove myself as much as pos...
started by Fey Scratcher.gml 8 days ago
47 views
No replies yet
A loop shift register to be specific. Ive tried everything and nothing has worked. 1st pulse is 1 tick, 2nd pulse is 3 t...
started by Numbers1234 11 days ago
7 replies
188 views
I want to add NOT, AND and other gates down to the STARRED section.. and how in world is this possible? People are menti...
started by tumanbay 22 days ago
1 reply
288 views
3 replies
397 views
https://www.virustotal.com/gui/file/217c3d4ce813e0f87f2e0ee818e8e8dc45adabc8c4b9...
started by wesson6771 14 days ago
52 views
No replies yet
I also made a little wiki at https://henriheyer.de/dls/
started by HMT Apr 13, 2025
4 replies
630 views
I can't find and, or and all the other essential gates... I only have nand... I'm on the 2.0.3
started by Bolimart Apr 13, 2025
11 replies
995 views
Can we add new keys with the key chip with: [SPACE, BACKSPACE, ENTER]?
started by MattFN 22 days ago
67 views
No replies yet
I have ported DLS to iOS. Use this link to sign up as a tester: https://testflight.apple.com/join/EfyEfZvH
started by Carpen 52 days ago
2 replies
298 views
So to use the mac version you have to use the terminal and do chmod +x Digital-Logic-Sim.app/Contents/MacOS/Digital-Logi...
started by Tagglagged 32 days ago
1 reply
283 views