Building a Fully Functional 16‑bit CPU Inside Microsoft Excel
Tech blogger Inkbox demonstrates how to construct a fully functional 16‑bit CPU, complete with 128 KB RAM, a 128×128 pixel display, and a custom 23‑instruction assembly language called Excel‑ASM16, all implemented purely within Microsoft Excel without any VBA scripts or plugins.
Tech blogger Inkbox recently released a video showing how to build a fully functional 16‑bit CPU using only Microsoft Excel, without any Visual Basic scripts or add‑ins.
The CPU runs at a 3 Hz clock, features 128 KB of RAM, a 16‑color 128×128 pixel display, and executes a custom assembly language named Excel‑ASM16, which provides 23 instructions, variables, labels, and binary‑file support.
The project’s source files are available on GitHub at https://github.com/InkboxSoftware/excelCPU , allowing interested readers to explore and experiment with the Excel‑based CPU.
For more details, see the original YouTube video: https://www.youtube.com/watch?v=5rg7xvTJ8SU .
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