New Apout PDP-11 simulator

[Warren Toomey]

All,
	I've just spent the week tidying up my Apout program. This runs
PDP-11 user-mode programs (specifically 7th Edition binaries), and
translates V7 syscalls to native syscalls.

I've tidied the program up and optimised it a bit too. Over the summer
break (it's summer down here) I want to add floating-point and start
work on emulating 2.11BSD user-mode binaries.

The program runs on FreeBSD 2.2.x and 3.0 systems: porting to other 32-bit
little-endian Unix systems should be relatively easy. Porting to big-endian
systems might be harder :-) I'll have a look at that too.

Anyway, an alpha of the new 2.2 version is at:
	ftp://minnie.cs.adfa.edu.au/pub/PDP-11/Sims/Apout

Cheers,
	Warren

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