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Digital Logic Sim

​A minimalistic digital logic simulator · By Sebastian Lague

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259
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
259 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
85 replies
5,966 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
5,607 views
I have been working on this one for a while now, but I have managed to get fully-featured pong running on my 8-bit compu...
started by Zhatt May 26, 2025
1 reply
408 views
I made a little documentation where I explain how you can get started with Digital Logic Sim V2! https://henriheyer.de/d...
started by HMT May 04, 2025
3 replies
295 views
SCROLLING LEVEL. VID IS youtube.com/watch?v=reX6NL3gVyU
70 views
No replies yet
Is there a way to duplicate/copy and paste in DLS, Normally you would just save the chip but I accidently built the whol...
started by vl109 May 17, 2025
2 replies
193 views
Can you add wasd or arrows up down left right to move, and Q and E zoom out and in?
started by Turbo4444 May 14, 2025
12 replies
315 views
How does one make a simple chip that delays a pulse for a few milliseconds? Anyone have any ideas?
started by MrBluewolf65 May 14, 2025
9 replies
395 views
I just made a program that fills the entire 16x16 dot display but it’s leaves out the 9th spot on each row what’s wr...
started by L_Lex May 23, 2025
2 replies
96 views
In DLS, I can't detect if my input is disconnected and my chips treat it as an off state. Can you make a chip which dete...
started by kshlok May 21, 2025
2 replies
140 views
So I've been trying to make a program that requires a lot of storage, so I create some modules each with 16 ROM chips. I...
started by AbleSundew74444 May 21, 2025
7 replies
186 views
Whenever you name a chip, and a chip already has the name. You can press enter and it saves the chip as something else a...
started by TheGameDeveleper May 11, 2025
1 reply
165 views
does anyone know how i would make decimals work in the sim? I am trying to make division to 3 d.p. and for that i of cou...
started by daquietkid1 May 18, 2025
1 reply
142 views
Holy crap, this simulator is fire. I've made a working CPU, random number generator, and even flappy bird! My suggestion...
started by LRKINR May 18, 2025
142 views
No replies yet
When I opened this application on my mac for the first time, I created a new project. I tried to create an OR-Gate, but...
started by Taranaki May 17, 2025
3 replies
192 views
I opened it and...didn't work and I just got grey screen in the app
started by KnZahid300 Apr 19, 2025
7 replies
303 views
Everytime I do this it turns on and off rapidly
started by L_Lex May 17, 2025
2 replies
103 views
The "ZHT80" is my project computer I've been building as I follow along Sebastian's and Ben's video series. So far it is...
started by Zhatt Apr 29, 2025
6 replies
581 views
took me to make this like 3 hours, there is 6 address, 6 bit, So 32 bits EEPROM
started by Turbo4444 May 14, 2025
1 reply
139 views
where? i wanna transport to my computers i mean my school laptop to home computer
started by Turbo4444 May 13, 2025
3 replies
122 views
I was able to show a full 64x64 image (from google)!!!
started by omggitzriley May 10, 2025
12 replies
371 views