Experimental MCU (Microcontroller Unit) RadonMCU is an FPGA-based soft-core microcontroller platform built around Intel Nios II. The repository includes both hardware design (Quartus + Platform Designer) and software examples (Nios II SBT/Eclipse) used to validate the system on real hardware.

microcontroller fpga embedded-systems rtl verilog isa educational computer-architecture risc digital-design nios-ii cpu-design custom-cpu soft-core-processor

Updated Jun 25, 2026
C

kellentow / Casm

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My custom assembly,compiler,and cpu emulator i made

emulator assembly compilers cpu-emulator custom-language custom-cpu

Updated Apr 3, 2025
Python

Nilius647 / CPU-Project-Parallax

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16-bit CPU built from NAND gates in Digital Logic Sim, with assembler and full documentation.

assembler computer-architecture logic-gates instruction-set-architecture 16-bit-cpu cpu-design digital-logic-simulator custom-cpu homebrew-cpu

Updated Aug 3, 2026
Python

Styzex / P1831_CPU_EMU

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A simple 8-bit CPU emulator with a custom ISA, featuring a safe and optimized execution mode.

rust cpu assembly cpu-emulator 8-bit-cpu custom-cpu custom-instruction-set

Updated May 30, 2026
Rust

BrosnanYuen / MIPS_Processor

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16-bit MIPS Processor from scratch in VHDL

asic cpu fpga mips processor vhdl mips-assembly risc hdl pipeline-processor soft-core risc-cpu custom-cpu

Updated Jan 24, 2024
VHDL

VladisM / m2tools

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Simple and portable assembler toolchain for custom CPUs.

toolchain linker assembler custom-cpu

Updated Aug 20, 2022
C

bitflipper19 / LepusWeb

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https://bitflipper19.github.io/LepusWeb/

custom-cpu lepus8

Updated Jul 20, 2026
JavaScript

janstaffa / tower

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A custom 8-bit minicomputer and architecture.

rust custom-cpu

Updated Oct 5, 2022
Rust

wild-pointer27 / microglossum

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A custom CPU with micro-assembler and emulator

c emulation computer-architecture logisim cprogramming custom-architecture 16bit computerarchitecture microassembly custom-cpu logisim-computer logisim-cpu logisim-evolution computerarchitectureprojects micro-assembly 16bit-cpu

Updated Aug 1, 2026
C

jwolak / BorussCPU-Laibach

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BorussCPU "Laibach" is an experimental 8-bit RISC processor designed in Verilog. The project aims to demonstrate the complete process of CPU design, from architecture and implementation to verification with unit, integration tests and a dedicated assembly compiler BorASM

cpu fpga rtl verilog isa educational hardware-designs computer-architecture 8bit digital-design risc-processor 8-bit-cpu cpu-design risc-architecture custom-cpu

Updated Jul 23, 2026
Verilog

edatki / e74-cpu

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A custom CPU implemented in 74-series logic

c assembly kicad microcode logisim instruction-set-architecture 74-series homebrew-computer custom-cpu homebrew-cpu logisim-computer logisim-cpu customasm

Updated Jan 12, 2024
C

RoyalImperial12 / Infinity16

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16-Bit ISA

emulator cpu cpu-emulator custom-cpu

Updated Jan 19, 2024
C++

jwolak / BorASM

Star

Experimental assembler written in C++ for an experimental RISC BorussCPU "Laibach" (https://github.com/jwolak/BorussCPU-Laibach). BorASM reads assembly source files, detects labels and references, and emits a compact hexadecimal machine-code representation