Bigger posts appear on his blog; smaller posts appear on Twitter.
“Back in 1994, I worked on a SNES game that was 100,000 lines of 65816 assembly language. Oh yeah, no debugger either. It sounds extreme, almost unthinkable, but there weren’t good options at the time. You use what you have to. So many guitar players do what looks completely impossible to me, but there’s no shortage of people willing to take the time to play like that. Assembly language is pretty straightforward, provided you practice a lot and don’t waste time dwelling on its supposed difficulty.”