Rapture(10:59:04)
i used it in 80s too but it was confusing. i never jotted down anything on a paper, was all in my head, THAT'S WHY it got confusing fast. A=9 (ehh.. what was a again hmm. hehe not pro-coding)
mirrorbird(10:58:57)
well, you are coming from somewhere (an address in memory, you could POKE, a piece of your program)
mirrorbird(10:58:37)
so you ask yourself: how is GOSUB actually implemented
mirrorbird(10:58:26)
this is useful, because you can use it anywhere, and not care about line numbers.
mirrorbird(10:58:05)
you remember "GOSUB" out of basic? it's like a GOTO, but it means "do the work, and then go back to where we came from, so we can continue"