Ooh, thanks for that; I have long been intrigued by Burroughs ... they always tried rather unusual approaches ... seeing if I can get MCP fired up sounds like a fun weekend project.
Best, Sean On Wed, Aug 12, 2015 at 3:28 PM, Jay Jaeger <[email protected]> wrote: > In addition, B5500/B5700 Mark XIII and B5500/B5700 MARK XV.3 release > tapes can be found online. > > UNISYS released these under the "UNISYS MCP MARK XIII SOFTWARE > EDUCATIONAL/HOBBYIST LICENSE AGREEMENT" in 2012, having been approached > by the owner of the tapes. > > At least Mark XIII is available on Paul Kimpel's web site. PLEASE NOTE > THE LICENSE, which was arranged through Unisys (Bob Supnik was the > contact at the time, but he has since retired from Unisys, according to > what I see on LinkedIn). The history of how that happened is on the web > page, below, along with links to download the tape images. > > http://www.phkimpel.us/B5500/webSite/SoftwareRequest.html > > A Google for "MARK XV.3 BURROUGHS" will turn up the MARK XV.3 tapes as > well. ;) I am not aware of a similar license document for that set, > but I suggest it should be considered to exist under at least the same > restrictions ("solely for non-commercial educational or hobbyist > purposes"). > > Anyway, I looked at my listing of the MARK XIII tape SYMBOL1 7 Track BCD > tape image, and it has ESPOL source. The ESPOL Compiler, version MARK > XIII.0 starts at File 18, dated July 15, 1971. > > I'd expect it to be present on MARK XV.3 as well, of course. > > Also on the MARK XIII SYMBOL1 tape (Looking at the directory in file 2, > from my same listing) > > MCP > INTRINS > ALGOL > BASIC > COBOL > DC1000 > FORTRAN > NDL > TSPOL > XALGOL > > I don't seem to have ever made a listing of what is on tape SYMBOL2. > How odd. But, not to worry, a listing of what is on that tape is > available at: > > http://www.phkimpel.us/B5500/webSite/TapeImage-SYMBOL2.html > > JRJ > > On 8/12/2015 12:39 PM, Nigel Williams wrote: > > > >> On 12 Aug 2015, at 11:24 pm, Paul Koning <[email protected]> > wrote: > >>> On Aug 11, 2015, at 10:23 PM, Mark Kahrs <[email protected]> wrote: > >>> For those of you who might be interested, I sent a listing of the B6700 > >>> ALGOL compiler source code to the CHM. > >> I did find a copy of the B6500 ESPOL compiler online recently. > > > > In the B5500 emulator repo: > https://github.com/pkimpel/retro-b5500/tree/master/source > > > > It is still to be proofed though. > >> > >>> I'm surprised no one has mentioned the Burroughs extensions to ALGOL to > >>> optimise|ize the use of the native string instructions. > >> > >> Did Algol come after the hardware? I always thought of the hardware as > having been customized for their Algol, but admittedly I don’t actually > know which is chicken and which is egg. > > > > It is suggested in the oral history at UMN.edu that the B5000 was > designed as an ALGOL machine and Burroughs had the idea that only compilers > would generate machine code, so they made the B5000 compiler friendly, and > the system would have an OS to manage resources, so it was designed around > drum/disk being an intrinsic part of the system. > > > > >
