TIS-3D Mod – 1.18.2, 1.17.1 – Low-tech Computing for Minecraft

Author: MrShadyMan
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TIS-3D Mod (1.18.2, (Low-tech Computing for Minecraft), is a mod that was inspired by the amazing game TIS-100. (Buy it! Seriously). This mod expands on the idea of minimal, programmable Nodes (called “modules” by the mod), and extends it to the third dimension. This allows multi-block computers to be built from multiple modules in an extremely flexible manner. The executable module is a useful module that can be programmed using an ASM language (as introduced in TIS-100, but with some more quality-of-life guidelines), and the redstone modules, which allow reading and writing redstone signals and enable basic interaction with other people. The stack module provides a small data storage and the infrared modules allow for wireless transmission between TIS-3D computers. Terminal module allows for basic text input and output. There are many more.


To get started, craft a controller and a few casings. For looking up recipes I strongly recommend grabbing JEI. To get a copy of the in-game manual, use a book on a placed controller (i.e. right click the block with the vanilla book in hand). You should find all the further information you require in the manual.

Programming TIS-3D Computers

To program a TIS-3D computer, you can either use a vanilla Book & Quill or the TIS-3D Code Bible. To install a program from one of the two onto an execution module, simply use the book on the installed module (i.e. right-click it while holding the book in hand). When using the Book & Quill, each book will be treated as one long program, i.e. all pages will be concatenated when the program is installed on an execution module. When using the Code Bible, each page is treated as an individual program, and the program on the currently selected page will be installed on the module. You can also copy programs from execution modules back into the Code Bible by using it on an execution module while sneaking.

What now?

So what do you actually do with the mod? Have fun with it! Use it as a means of automating things you’d otherwise automate using complicated redstone circuitry. Create a music machine. Design a machine-code interpreter and run even larger programs (programmed into a ROM module). Go nuts!


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