Article 158241 of comp.os.vms:
In article <3277D6B6.2A0D@technet2000.com.au>, drickard@technet2000.com.au 
says...
>
>A friend has been using an old PDP-11/40 for code maintenance for 
>industrial systems using imbedded SBC-11/21, the LSI PDP-11 on a 
>board. He uses the RT-11 macro assembler and the RT-11 linker. 
>The RT-11 linker has a /L switch which gets it to produce the 
>output file in DEC standard paper tape format which can be automatically
>down loaded by the imbedded ODT loader code in the SBC-11/21.
>
>The PDP-11/40 is on its last legs, and he would like to move 
>to a different development platform before it finally dies completely. 
>He does have access to a VAX/VMS system. However the requirement 
>remains to be able to produce the output files in DEC paper tape format.
>
>Q1.
>Does any one know of tools that would run on a VAX/VMS platform 
>and would be able to assemble and link PDP-11 macro code to produce 
>DEC standard paper tape files?
>
>Doug
>
>drickard@technet2000.com.au
>
You may want to look at

	http://freeflight.com/fms/comp/sys/DEC.html

This page has PDP-11 emulators that will run on PC's, Linux, etc.
You probibly won't want to run them on an interactive system, but
a PC would cost less than an 11/40 (probibly even less than the
maintenance), and a Pentium will give you good speed (Maybe even
faster than your 11/40).

Most are capable of running RT-11, but you'll have to create
the "system disk" yourself. Get the documentation to find out how.