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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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275
Topics

Recent updates

Version 2.1.6
26
22
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
275 topics · Next page · Previous page · First page
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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
28 replies
8,932 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
95 replies
7,649 views
As title reads, I got two feature requests / suggestions for cosmetic options: 1) I would like to be able to compress my...
started by Amy Apr 22, 2025
3 replies
199 views
Finished polishing up the CPU assembler, here's the github repo: Sava-thecoolone/CPU: A custom processor in Digital Logi...
started by Sava Apr 24, 2025
1 reply
242 views
I made a simple flip flop chip on 2 variants One use NOT , OR and AND gates second use only NAND gates When I copy them...
started by Kamir1 Apr 25, 2025
1 reply
148 views
All it says is that it has detected a virus, please help me.(i tried on chrome and on edge)
started by 0fficialDuc3 Apr 22, 2025
3 replies
222 views
1) the ability to change the size, shape and color of pins and ship 2)16, 32, 64-bit wires and more colors 3) real-world...
started by the croissant Apr 24, 2025
1 reply
130 views
I download the zip file for windows but it is stuck on the gray screen. It is not loading. How to fix it. By the way, I'...
started by KuyaW Apr 23, 2025
3 replies
158 views
When you place a duplicate and you undo the action and redo the action, the wiring is lost. @Sebastian, is placing the b...
started by Amy Apr 24, 2025
1 reply
120 views
I found a bug where the sub points of wiring don't get copied over properly. It does not happen when you don't hold shif...
started by Amy Apr 24, 2025
1 reply
101 views
System: Linux Ubuntu 22 Cinnamon Mint VM on Windows 11 E15 Thinkpad. Intention: Wanted to try creating an RNG circuit. O...
started by nomasan Apr 23, 2025
1 reply
108 views
So, after carefully following the steps and wiring in Sebastians video i've hit a dead end: I can't see the numbers? I w...
started by MrJamp Apr 23, 2025
2 replies
204 views
Does anyone know how to make a simple T Flipflop. I just want to make a simple counter. I am using an adder for a counte...
started by MrBluewolf65 Apr 22, 2025
16 replies
552 views
I may accidentally add too many of something, or need to replace that, but then I have to individually delete every sing...
started by KytheTigerz Apr 22, 2025
2 replies
139 views
If there is any interest I'll upload the project file and explain how to program it. After I straighten out all the wire...
started by gardrek Apr 22, 2025
6 replies
328 views
After i download the new update, how does one actually run the update without loosing all your work?
started by MrBluewolf65 Apr 22, 2025
3 replies
168 views
When setting the clock speed really high (1 step per clock tick) it becomes unstable.
started by Schnurrfels Apr 21, 2025
1 reply
138 views
I created like a whole giant project in v1 of this simulator. How do I convert it to be compatible with v2?
started by NeoX2025Gaming Apr 19, 2025
3 replies
191 views
On my Chromebook, Linux won't update, I've got more than twice as much storage space as it requires, but it still wont u...
started by IAMBash_Bro2010 Apr 22, 2025
115 views
No replies yet
when ever i spawn in a register (same ones he made in the second video) they have a random value which wouldn't be an is...
started by DNAterror Apr 22, 2025
1 reply
166 views
I'm trying to use busses, but I can't figure out how to rotate/reflect the endings. So it just ends up looking really ja...
started by masademan Apr 21, 2025
3 replies
221 views