You also have the option of running on the "bare" metal of the simh emulator.
PDP-11 simulator V3.8-1 sim> ie -m 0-16 0: HALT inc 177560 4: HALT tstb 177560 10: HALT bpl 4 12: HALT movb 177562,r0 16: HALT halt sim> run 0 HALT instruction, PC: 000020 (HALT) sim> Used halt instead of ,exit because not macro library here. You also have "macro11" in simtools to assemble things. Don't know if there is any way to feed its output directlt into simh though. On Sat, Feb 20, 2016 at 10:48 AM, Paul Koning <[email protected]> wrote: > > > On Feb 20, 2016, at 12:25 PM, Will Senn <[email protected]> wrote: > > > > Great answer and helpful. I'll give both approaches a shot. If I > understand my environment correctly, RT-11 is single user, single job > (well, most of the time anyway). So, it oughta be safe enough to try this > without messing things up beyond needing to restart if I have logic errors? > That is, the file system isn't involved or caching or anything that would > cause inconsistency as a result of an infinite loop or crash? Not that I > would ever code such things :)! > > RT comes in several flavors, of which I know the SJ and FB > (foreground/background) flavors, V2 specifically. Both are unprotected > operating systems, so you can play with I/O devices at will. > > Also, in those there definitely is no caching in the file system. For > that matter, the file structure is simple enough that there really isn't > anything to go "inconsistent". A crash in mid-operation might cause a file > not to be there if it was being written, but that's about it. The only > exception I can think of is the file system defrag operation, but then > again that one may be written in a fault tolerant manner, I don't know. > > paul > > > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh >
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