Ken Shirriffkenshirriff@oldbytes.space
Sep 12, 2026, 4:30 PMThe 8087's microcode is too complicated and low-level to explain here. For details, see my latest article:
https://www.righto.com/2026/09/8087-microcode-reverse-engineering-fscale.html
Replies
- Ken Shirriffkenshirriff@oldbytes.spaceSep 12, 2026, 4:31 PM
Credits: I've been working on this with the members of the "Opcode Collective", especially Smartest Blob and @gloriouscow, who converted the ROM images to microcode data and extensively analyzed the contents.
7/7 
The Cheekqualizercheekqualizer@hear-me.socialSep 13, 2026, 12:33 PMAt the time, this bad boy would cost nearly $600 in today's money. Which is sadly in line with a baller PC upgrade in 2026