[HN Gopher] 8086 Microcode Browser
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       8086 Microcode Browser
        
       Author : zdw
       Score  : 141 points
       Date   : 2025-12-03 21:16 UTC (1 days ago)
        
 (HTM) web link (nand2mario.github.io)
 (TXT) w3m dump (nand2mario.github.io)
        
       | djmips wrote:
       | It would be fun to step through some 8086 code at the microcode
       | level.
        
         | ajenner wrote:
         | I wrote a program called xtce-trace
         | (https://www.reenigne.org/software/xtce_trace.zip ) to do just
         | this (albeit non-interactively - you just give it a program and
         | it will generate a cycle-by-cycle trace of which lines of
         | microcode are executed). GloriousCow aka Daniel Balsom recently
         | fixed some of its bugs and turned it into an actual emulator
         | (https://github.com/dbalsom/XTCE-Blue ), though it's not
         | finished yet so there's no binary release at the moment.
        
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       (page generated 2025-12-04 23:02 UTC)