The article details the collaborative effort to disassemble and decode the microcode ROM of the Intel 80386 processor, which contains 94,720 bits—far larger than the 8086's 10,752 bits. Using high-res…
The z8086 is a compact, FPGA-friendly 8086/8088 processor core that runs original Intel microcode by loading a recovered 512x21 ROM, rather than hand-coding individual instructions. Written in about 2…
The article announces the release of an interactive online browser for the 8086 microprocessor's microcode ROM, created by the author after studying the original chip's design. The tool decodes every …
The article describes the process of extracting and disassembling the microcode ROMs from high-resolution photographs of the Intel 8086 and 8088 dies, revealing the internal instruction sequences of t…