rewriting legacy OS for new iron

From: Greg Ewing <>
Date: Thu Sep 16 00:46:39 2004

Lyle Bickley <>:

> I thinks its a LOT easier (and more fun) to simply run it on real
> DEC hardware - or if you can't create that environment - run it on
> Intel via the SIMH or ERSATZ emulators.

Maybe run an emulator directly on the hardware, without any other OS
in the way? That would be the next best thing to implementing the OS
on the bare metal.

Sometimes I think it might be fun to build an emulator based on an
FPGA. Then you wouldn't have any other instruction set in the way,
either. :-)

Has anyone out there done that?

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. | +--------------------------------------+
Received on Thu Sep 16 2004 - 00:46:39 BST

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