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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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271
Topics

Recent updates

Version 2.1.6
26
21
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
271 topics · Next page · Previous page · First 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
94 replies
6,770 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
6,994 views
When I try to create a new project ALL the circuits are gone
started by CooperWaNg Apr 16, 2025
3 replies
97 views
Hello, I'm in the final stages of building a computer. However, I have my big "computer" chip which I am in, and wheneve...
started by Perodactyl Apr 13, 2025
2 replies
136 views
Below are the extra chips i made. NAME THING IT DOES 3IN AND AN AND IN AN AND 3IN NAND NOT(3IN AND) 3IN OR AN OR IN AN O...
started by Trisefloreta-Kinmang Apr 16, 2025
120 views
No replies yet
I was almost done making a functionnal brainfuck interpreter, but now I can't open the main chip anymore. It still (kind...
started by stduhpf Apr 13, 2025
11 replies
356 views
I tried reinstalling but didnt help
started by kaczkakiczka Apr 15, 2025
6 replies
272 views
I made a 4kb ram chip but when I place it down, my steps per second drops to 5. Is there a way to improve this?
started by Ra1ju1 Apr 15, 2025
2 replies
149 views
It does correctly move the cursor, however it also types the broken character.
started by Omay Apr 12, 2025
8 replies
324 views
It would be great if we could initialize (import) binary files to write into ROM and RAM block memories. I know now we c...
started by chandlerkc Apr 15, 2025
82 views
No replies yet
i wanna sync my instructions with my cpu to the clock but the clock doesnt pulse for a single frame so it just keeps fir...
started by Blockbuster287 Apr 15, 2025
2 replies
279 views
It would be useful (for exemple for debugging purposes) to add a "display" that is only one square, that could also be a...
started by firecerne Apr 14, 2025
2 replies
182 views
The 7-segment display colors as it stands now use the same color as the red and the blue wires when active (i think). I...
started by Ithurius Apr 14, 2025
143 views
No replies yet
Sub-Library something that we could nest so like under display have a sub section for the sub circuits to run it like th...
started by jacka328 Apr 14, 2025
91 views
No replies yet
Occasionally when placing many busses, there will be phantom connections where many busses are synchronized while discon...
started by ItsKT Apr 14, 2025
1 reply
109 views
I have created a collection for some of my chips but I don't know how to add them to the collection
started by Bladen868 Apr 12, 2025
3 replies
299 views
https://ko-fi.com/sebastianlague
started by HMT Apr 14, 2025
103 views
No replies yet
Hey Sebastian, I hope you don't mind a seemingly silly question, but I'm curious to know if all clocks that might exist...
started by ThatRobHuman Apr 14, 2025
122 views
No replies yet
You should add a import/export button and system because when i manualy import/export saves they dont work on other devi...
started by Snaper56 Apr 14, 2025
84 views
No replies yet
When I click like 4 times on chip i place them in group. How can i space them apart?
started by KoalasTheBest Apr 14, 2025
1 reply
98 views
Hello, I have just downloaded the newest version of the digital logic sim and cant figure out, how to get the app runnin...
started by soham-rath Apr 12, 2025
5 replies
462 views
Hey, really loving this so far! It's simple and intuitive but has an insane amount of room for creating things. It's sur...
started by llyggr1 Apr 14, 2025
1 reply
109 views