[Simh] Problem with MT_ASTLVL on the VAX-11/780

[Armistead, Jason]

Johnny Billquist wrote:

>However, this might be different on different CPU models, so I suspect this should be applied with care.
>He was testing VAX/VMS V4.5, which is pretty ancient. The models supported by that version would probably only be the VAX-11 models. (And yes, I include the 86x0 in the VAX-11 series.)

MicroVMS 4.5B was available for MicroVAX 2000 circa 1987.  I remember loading it from a large stack of between 50 and 70 RX33 (?) floppies ...  what fun !

I believe that the first "Micro" versions of VMS started with MicroVMS 4.4 when the MicroVAX family was added.