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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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257
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
257 topics · Next page · Previous page · First 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
5,376 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
5,825 views
I want to be able to feed a single 8 bus into my 1 byte memory chip, however the problem arises that I can't actually me...
started by LiKTOi Apr 27, 2025
5 replies
175 views
I have VERY little knowledge of computers and I set the challenge of trying to display numbers while using no tutorials...
started by bettergamer Apr 27, 2025
1 reply
124 views
How do I shift my old projects from the old simulator to the new simulator?
started by howcome Apr 26, 2025
5 replies
156 views
When connecting one input to one and or nand gate output doesn't stay but it acts as clock. Playing on latest linux vers...
started by adex345 Apr 23, 2025
3 replies
228 views
What's needed is a customizable ROM and RAM chip (control data bit size, how big it is, clear pin for ram, and anything...
started by KytheTigerz Apr 26, 2025
6 replies
204 views
Is it possible to color the output pins? I know you can do it for the inputs, but is it possible for the outputs?
started by masademan Apr 27, 2025
2 replies
109 views
A way to turn off (not compute nand gates) a certain chip with a pin. It would either save current internals (like whats...
started by KytheTigerz Apr 27, 2025
111 views
No replies yet
When running on Linux, the app displays only a grey screen. SysInfo Attached below: System: Kernel: 5.15.0-136-generic x...
started by JIYProgrammer Apr 27, 2025
96 views
No replies yet
Could you please update the list of controls in the main itch.io page to include keyboard shortcuts added in recent upda...
started by Nadelio Apr 26, 2025
72 views
No replies yet
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
163 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
217 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
103 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
171 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
99 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
124 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
107 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
85 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
81 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
160 views