I've got a big text file of 6502 machine code I wrote a few years back that I pull out and marvel at from time to time. One of those things that you have to be

I've got a big text file of 6502 machine code I wrote a few years back that I pull out and marvel at from time to time. One of those things that you have to be fully in the "zone" to pull off, so it seems like magic to present-day me.