Not sure if you still can, but you used to be able to find 4 hooks for primitives in early Smalltalk images. 1 for lifting the hard drive head. 1 for setting down the hard drive head. 1 for moving it out one cylinder. 1 for moving it in one cylinder.
On my dad's old Apple ][+ 48k, I used the same REPL to get the CATALOG of what was on the floppy disk and to program in BASIC. What's the line between OS and a REPL?
On my dad's old Apple ][+ 48k, I used the same REPL to get the CATALOG of what was on the floppy disk and to program in BASIC. What's the line between OS and a REPL?