On Tue, Nov 26, 2019 at 9:44 AM Lyle Bickley <[email protected]> wrote:
> Josh, > > THANK YOU (!) for the conversion of TSS from RF08 to RK05! I have a PDP-8/E > with and RK05 and it will be fun to get TSS/8 running again. > You're very welcome! Let me know how it goes. Feel free to submit patches :). - Josh > > I had TSS/8 running years ago - on my PDP-12 and RF08 (w/2-disks!). > Unfortunately, I donated both to the CHM in the mid-90's - and they've been > sitting in their archives ever since :( > > Cheers, > Lyle > -- > > On Mon, 25 Nov 2019 22:03:47 -0800 > Josh Dersch via cctalk <[email protected]> wrote: > > > Hi all -- > > > > We've wanted to run TSS/8 on one of our PDP-8 systems at LCM+L for a long > > time now, and while we contemplated either (a) restoring our RF08 or (b) > > building an RF08 emulator, I decided it might be fun to investigate a > third > > option: (c) modify TSS/8 to run off hardware we already have running, > > namely an RK05 drive. > > > > And it /was/ fun! And seems to have been successful, as we now have > TSS/8 > > running on our PDP-8/e. Performance is acceptable, and it seems to be > > stable so far. The changes I made are here: > > > > https://github.com/livingcomputermuseum/cpus-pdp8 > > > > This is a fork of a codebase that Brad Parker put together a number of > > years back in which he did some serious work to get TSS/8 to build > (amongst > > other things). I made use of this effort, which saved a lot of time and > > made building/testing my changes quite straightforward. > > > > I also modified the disk image: It's extended to 1MW (the maximum > possible > > without modifying the filesystem code) and I ported a couple of extra > > programs to TSS/8 (CHEKMO and LISP). > > > > I figured some people here might also be able to take advantage of being > > able to run TSS/8 from RK05. I know RK8E's are pretty rare, but I'm also > > guessing more people have them than have working fixed-head disks :). If > > you do give it a try, let me know if you run into any issues or if you > have > > any feature requests. > > > > Thanks, > > Josh > > > > -- > 73 NM6Y > Bickley Consulting West Inc. > https://bickleywest.com > > "Black holes are where God is dividing by zero" >
