Date: Sat, 28 Jul 2012 03:50:18 -0400 From: Paul Anderson <wackyvorlon at me.com> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: RSX-11/M and FORTRAN Message-ID: <28A40D7C-F30F-48CF-A06E-F3A1EBFCBF3C at me.com> Content-Type: text/plain; CHARSET=US-ASCII I've developed the itch to play with RSX-11/M, so I've setup simh using these instructions: http://home.earthlink.net/~n1be/pdp11/PDP11.html So far, so good. I've got it up and running. The problem is in trying to run fortran. There's a FOR.OLB in db0:[11,41]. When I try to run for, I get TASK NOT FOUND. When I run ins $for to load it, it reports not being to find the file. Being a total newbie at this, I'm not sure how to get it to run. Any ideas? As Jay says, .olb is the object library, which gets linked in with your compiled code to supply the fortran-specific library functions. There should be a FOR.EXE, I think, for the compiler. It's been a while since I ran RSX11/M. A LONG while, like 30 years! Jon