Early Apple machines - don't know how to answer what it was like since there were so few tools. Just had to keep debugging by isolating a problem, looking at memory in the limited debugging (weaker than the DOS DEBUG and no symbols) patch and retry and then re-program, download and try again. And again.
Bob FrankstonPatents? Disappointed? Don't think of it that way. Software patents weren't feasible then so we chose not to risk $10,000.
Bob Frankston