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deep tech Hackaday September 09, 2026

Decoding the NEC V20 Microcode ROM

Decoding the NEC V20 Microcode ROM
AI Summary

The NEC V20 is an Intel 8088-compatible processor that features the same use of microcode, though with its own characteristics. This makes it important to use this same microcode if your goal is to create a cycle-accurate emulator of this processor, as [GloriousCow]’s goal is. Cue decoding the microcode ROM in a die shot of this CPU, in order to create a usable ROM image.

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