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.

Assembly LanguageCPUExcel

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Building a Fully Functional 16‑bit CPU Inside Microsoft Excel