Bill Gunshannon bill.gunshannon at
Mon Mar 30 17:32:24 CDT 2020

On 3/30/20 3:21 PM, Mark Matlock via cctech wrote:
> Bill,
>     The APL-11 files on DECUS RSX85A are not a complete distribution but a modified version that was intended to run under I/D on M+.
>      I have the APL-11 V2.1 source files on a RL02 disk image. I will make it available at
>      Once you mount the disk image with Simh, the are two ready to run task images that will run under RSX11M or M+
> In [201,200]APL6OK.TSK and APL7OK.TSK that are the REAL*4 and REAL*8 versions of APL-11. On the disk are the
> Original .MAC sources as well as files from a RSX SIG tape that modified APL-11 for I/D under RSX11M+ that increased
> The workspace (.BXWA from ~30000 to ~60000 bytes). It also contains a character set for Vt220 for the APL character set.
>     When you install the APL task experiment with the /INC to maximize the available workspace, On my system, I can
> INS APL6.TSK/INC=37000 to max the workspace for the single precision version.
>     Also, the scanned APL-11 reference manual can be downloaded at
>   and the APL11 installation guide at
>     The RSX SIG files that have the info to change APL-11 to an I/D RSX11M+ task from RSX85A are also at [370,360] on the RL02 disk. I remember having this work back in the mid-1980s but I have not been able to get it to work today. If I link it with ODT it seems to blow up when the first overlay is loaded. If anyone could help with that I’d really appreciate it!

According to the Ref Manual, that's the one I was looking for.
Now to mount the RL on RSTS and see what it takes to build it
there.  I'll let the list know how I make out in case someone
else is interested.


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