29 Tips for golfing in x86/x64 machine code 2017-07-17T21:43:42.150

20 Bootloader golf: Brainf*** 2016-05-12T18:16:51.997

14 Branch differently in x86 / x86-64 using only printable visible ASCII characters in the machine code 2013-03-03T16:12:05.180

8 Build the busiest beaver in x86 machine code in 32 bytes or less 2013-08-25T20:39:58.160

8 Smallest possible runnable Mach-O executable 2016-12-07T23:49:42.153

4 write an "operating system" that dims Num Lock 2014-01-02T06:31:17.883

3 Self-contained hello-world program 2014-01-02T06:23:27.620