on Fri, 28 Feb 2003
09:34:42 PST8
> in operating system design. (At IBM I wrote a 1401 Autocoder recompiler
> in PL/I so the programs would run on the /360. The /360 had a 1401
> hardware mode but you couldn't run both modes at the same time; this is
> similar to having to reboot to run a Windows program "natively".)
Depended on the software available. The 1400 hardware code did run on some
operating systems multi-tasked with native 360 programs.
--
Robert Blair
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