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Epsilon537

@epsilon537

Hacker, surfer, engineer, retro-computing, FPGA, Lisp and Forth enthusiast

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11.01.2025
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Latest posts by Epsilon537 @epsilon537

Forth and C. In the previous post, I outlined the operating system architecture I have in mind for BoxLambda. I’ve now taken the first step toward that architecture: porting Matthias Koch’s Mecrisp Quintus Forth t...

I started working towards the BoxLambda OS architecture I outlined in my previous post. I ported Mecrisp Quintus Forth and added a Forth-C FFI:

epsilon537.github.io/boxlambda/fo...

#forth #riscv #homebrewcomputer #osdev

29.12.2025 10:21 👍 0 🔁 0 💬 0 📌 0
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epsilon537.github.io/boxlambda/sw...

#forth #fpga #riscv #homebrewcomputer

03.11.2025 12:40 👍 0 🔁 0 💬 0 📌 0
Reset - BoxLambda Documentation

I just pushed a new BoxLambda release. The main additions are:
- the BootLoader:
boxlambda.readthedocs.io/en/latest/sw...
- a complete Register Map: boxlambda.readthedocs.io/en/latest/re...

For a complete list of changes, please refer to the Release Notes:
github.com/epsilon537/b...

08.07.2025 11:32 👍 0 🔁 0 💬 0 📌 0
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In this post, I explore ways to improve interrupt latency and jitter on the BoxLambda SoC.

epsilon537.github.io/boxlambda/mi...

#FPGA #RISCV

06.05.2025 11:08 👍 1 🔁 0 💬 0 📌 0
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In this post, I remove more functionality than I’m adding, and the BoxLambda SoC becomes a lot simpler and faster as a result. I’ll also briefly describe how the RISC-V GNU toolchain for BoxLambda is built.

epsilon537.github.io/boxlambda/bo...

#RISCV #FPGA

22.04.2025 12:14 👍 3 🔁 0 💬 1 📌 0
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BoxLambda system tweaking in search of consistent instruction cycle counts:

epsilon537.github.io/boxlambda/la...

#FPGA #Retrocomputing #RISCV

19.03.2025 18:58 👍 0 🔁 0 💬 0 📌 0
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First post on Bluesky. I maintain an open-source project called BoxLambda. BoxLambda creates a retro-style FPGA-based microcomputer from open-source components. The microcomputer serves as a platform for both software and RTL experimentation.

#FPGA #RISCV

11.01.2025 10:28 👍 4 🔁 0 💬 0 📌 0