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Redstone Computer

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Game Version
Minecraft 26.1.2
Progress
50% complete
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koka99cab
Lvl 3Apprentice Modder
1

Redstone Computer


Redstone Computer adds a new family of programmable blocks to Minecraft, designed to function like real redstone components: 8-bit computers, bus controllers, I/O extensions, sensors, and display matrices.
The idea behind the mod is simple: to turn redstone into a small computer system that can be played with in Survival mode. Instead of just placing huge logic gates, you can program blocks that read signals around them, process analog values from 0 to 15, move items, control outputs, and communicate with other components.


Features



Redstone Computer
An 8-bit programmable computer. It reads redstone signals on its sides, executes a small program, and writes redstone outputs.

Redstone Controller
A more advanced version of the computer, designed to control networks of machines. It has more memory and serves as the central brain for complex setups.

Redstone Language
REDSTONE_LANGUAGE.md
A simple language inspired by assembly language:
LD A, WEST
EQ A, 15
OUT EAST, A
HALT
It allows you to read ports, write outputs, compare values, use RAM, handle conditions, route items, and create state machines.

I/O Extender
An addressable module that allows you to add multiple outputs or inputs to a circuit. It can be used to control multiple lights, pistons, signal lines, or sub-machines from a single bus.

Display Matrix
A Redstone display capable of receiving data from a controller. It can display characters and use Minecraft colors. It also supports an addressable bus mode for creating serial displays.Rain Detector

A Redstone weather sensor. It detects rain or dry weather depending on its mode, perfect for rituals, automated farms, weather-activated doors, or event-triggered machines.


What You Can Build


With these blocks, you can create:
programmable logic gates;
clocks and sequencers;
state machines;
offering systems with hoppers;
smart sorting circuits;
lamp or piston controllers;
addressable Redstone buses;
small Redstone displays;
weather-triggered ritual machines;
networks of computers that communicate with each other.

GUIDE_PRATIQUE_REDSTONE_LANGUAGE.md

Mod Philosophy


This mod does not seek to replace vanilla redstone, but rather to add a “microcomputer” layer to it. The blocks remain dependent on Minecraft signals: they must be powered, connected correctly, and their values are limited to the 0-15 redstone logic.
The goal is to maintain a true Minecraft feel: you wire things up, test them, make mistakes, improve them, and eventually build a real little machine.


Status


The mod is still experimental. The bus systems, display systems, and programmable components are evolving as testing progresses. Feedback, machine ideas, bug reports, and suggestions are welcome.

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  Have something to say?

Flavus
07/17/2026 9:15 am
He/Him • Level 3 : Apprentice Warrior
is using a lot of ram here in this redstone computer gonna make my real life computer use more ram or not
2
koka99cab
07/17/2026 11:43 am
Level 4 : Apprentice Modder
No, not really in the “Minecraft RAM = in-game RAM” sense.

The Redstone Computer has “RAM” as a gameplay concept: it stores small numbers in the block entity data, like a tiny virtual memory. In our case it’s only bytes/integers inside Minecraft’s save data. Using 256 bytes or 1024 bytes of in-game RAM is basically nothing for a real computer.

What can use real RAM/CPU is not the virtual RAM itself, but scale:
  • tons of computer blocks ticking every game tick
  • huge redstone networks updating constantly
  • many block entities loaded at once
  • complex programs running every tick

So one Redstone Computer using all its virtual memory will not noticeably affect your PC. A giant wall of hundreds or thousands of active computers could affect performance, like any big modded Minecraft contraption.
1
Flavus
08/17/2026 8:41 am
He/Him • Level 3 : Apprentice Warrior
But like will all the block entities lag my computer if i have a really bad computer or will it just run on the normal 20fps
1

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