On Mon, Apr 10, 2017 at 11:41 AM, Dave via cctalk <cctalk@classiccmp.org> wrote:
> I have a Harris RTX-2000 based system control board for a long defunct > system. The board worked when removed more than 20 years ago in the mid > 90's. The RTX-2000 is a stack-based processor designed for running FORTH. > I think it was designed by Phil Koopman based on his graduate work. The > board is a 16-bit ISA board. It was part of an MRI system that ran a > version of MPE forth with a C-to-FORTH compiler (actually a C-like variant) > that spits out a 16-bit FORTH variant with some embedded RTX-2000 code. > > I also have another card with 3 channels of streaming 16-bit digital I/O, > with special hardware to implement on-the-fly rotation matrices to the > streaming output. > I have all the software and drivers as well. and I have written a c-based > simulator that can run the FORTH/assembly emitted by the C-to-FORTH > compiler (as well as the MRI libraries and hardware.) > If anyone wants to tinker with this hardware, or just pull the RTX-2000 > chip, I would rather find a good home than toss the boards. > Dave > I am interested; I was a Forth programmer back in the day, but never had a chance to work with Forth processors. I am in the Seattle area. -- Charles