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> On Feb 26, 2016, at 5:28 PM, Nigel Williams <[email protected]> > wrote: > >> On Sat, Feb 27, 2016 at 10:24 AM, Johnny Billquist <[email protected]> wrote: >> On 2016-02-26 23:47, Eric Smith wrote: >>>> On Feb 25, 2016, at 9:26 PM, Gregg Levine <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> Version Zero was hand coded on a PDP-7 >>> >>> >>> I know Gregg is right. But .. Can you /imagine?/ >> Not sure I understand this comment either. Are you suggesting that coding an >> OS is assembler is something exceptional or complicated, or unusual? > > I took "hand-coded" to mean Version Zero was (initially) done without > an assembler, they wrote down the instructions in machine code. > > Perhaps not unusual for the 1960s but laborious none-the-less. > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh I don't understand this. The PDP 7 had an assembler and debugger. Wouldn't they have used the assembler to generate the bootstrap system? _______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
