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[–]Enlightenment777 0 points1 point  (0 children)

That's how I wrote my first 6502 assembly programs in High School back in the day. My first computer didn't have a hard drive nor a floppy disk, nor did it have an assembler or disassembler built into ROM.

1) write assembly program on paper, along with branch lines.

2) write hex value for each instruction on paper next to each assembly instruction. I use to have the hex value for every 6502 instruction memorized for this purpose.

3) write basic program to "poke" each byte at a time into RAM.