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Re: substituting ROMs (Re: Illegal Clones)
On Thu, 17 Oct 2002, Matthew Russotto wrote:
|>The Apple II mini-assembler has a structure which, to my knowledge,
|>is unique in mocrocomputerdom. It simply starts incrementing an
|>"opcode" byte in the destination location, _disassembling_ it after
|>each increment, until it matches what the user typed in! It then
|>fills in the operand address byte(s), if any, and disassembles it
|>again to the screen.
|
|ROTFL. I knew Woz was a genius, I didn't know he was a _twisted_
|genius. Though the Disk II controller should have clued me in.
Why not just use a couple lookup tables? (One for size of operand,
and one for addressing mode.) Was RAM significantly more expensive,
as I would imagine, back when he did it the hard way?