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Minecraft HDL, an HDL for Redstone

(github.com)
220 points sleepingreset | 2 comments | 30 Oct 25 18:59 UTC | HN request time: 0s | source
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throwaway290 ◴[30 Oct 25 20:08 UTC] No.45764729[source]▶
Minecraft circuits can't have feedback? That's pretty sad:(
replies(1): >>45764748 #
melncat ◴[30 Oct 25 20:09 UTC] No.45764748[source]▶
They can. It's just that this specific program is not capable of translating it.
replies(1): >>45767397 #
throwaway290 ◴[31 Oct 25 01:27 UTC] No.45767397[source]▶
I couldn't find any examples by googling, give one?
replies(2): >>45767886 #>>45769907 #
Aromasin ◴[31 Oct 25 09:13 UTC] No.45769907{3}[source]▶
Check out this persons' YouTube channel: https://www.youtube.com/@sammyuri/videos

You wouldn't be able to do any of that without feedack.

replies(1): >>45770418 #
throwaway290 ◴[31 Oct 25 10:28 UTC] No.45770418{4}[source]▶
OK. I thought feedback was more like that analog thing in electricity where you plug thing into itself and it amplifies but I guess it's also used in memory circuts
replies(1): >>45770586 #
regularfry ◴[31 Oct 25 10:53 UTC] No.45770586{5}[source]▶
Have a look at the diagram for https://minecraft.wiki/w/Redstone_circuits/Memory#Input_stab.... It's doing exactly that.
replies(1): >>45770785 #
1. throwaway290 ◴[31 Oct 25 11:20 UTC] No.45770785{6}[source]▶
again this is showing memory and not the analog feedback behavior I thought about...
replies(1): >>45773296 #
2. oasisaimlessly ◴[31 Oct 25 15:39 UTC] No.45773296[source]▶
They're (approximately) one and the same.

* Feedback causes memory-like effects (e.g. reverb and oscillation whine in audio systems).

* Besides maybe memresistors, memory is pretty much always implemented via positive feedback (i.e. >unity loop gain) plus some sort of saturation to prevent exponential growth (which you typically get for free in physical systems if you can keep them from exploding).

Furthermore, digital behavior is an emergent effect from analog physical systems that are designed to be bistable. Digital systems will always make use of analog physical processes "under the hood".