Reverse-engineering the division microcode in the Intel 8086 processor - Ken Shirriff: http://www.righto.com/2023/04/reverse-engineering-8086-divide-microcode.html
This strikes me as the same algorithm Ben Eater wrote on the 6502 to stringify numbers: https://invidious.tiekoetter.com/watch?v=v3-a-zqKfgA