Undocumented 8086 instructions, explained by the microcode(righto.com)

220 points by kens 3 years ago | 75 comments

The microcode and hardware in the 8086 processor that perform string operations(righto.com)

155 points by picture 3 years ago | 94 comments

Is This a Branch? (2021)(bartwronski.com)

22 points by segfaultbuserr 3 years ago | 6 comments

Building GCC 1.27 (first GCC with x86 support) (2019)(kristerw.blogspot.com)

71 points by peter_d_sherman 2 years ago | 32 comments

Bit Hacking (with Go code)(lemire.me)

93 points by gus_leonel 3 years ago | 8 comments

John Carmack on inlined code (2014)(number-none.com)

528 points by bpierre 2 years ago | 363 comments

Jonathan Blow's blog reposts John Carmack's 2007 email on inlining code and avoiding hidden state mutation, with Carmack's 2014 commentary favoring pure functions.