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Wow, FORTRAN. By 1988 in the TMS340 flavor, the examples were in C. If you encounter object code, it will probably be in Texas Instruments' Tagged Object Format used by all the 990 languages and linkers. This looks like FORTRAN990 for TI's operating system DX10. Going on "UNIT" aka Logical...

I wrote this post for the SP0256 project thread on retrobrew: I'd no idea there was a 2nd source TMS7000 from General Instruments! All I knew about is the Texas Instruments parts. Later in the 80s, the 7000 was rebranded as the TMS370. Not pin compatible, but had the same ISA...

Fred, thank you very much for scanning the XDS documents. I learned of the XDS/22 while browsing the TMS7000 Family Data Book. Jim pointed me at two XDS/22 34010 flavor and I have been reverse engineering that system. Hope to one day make a 34010 graphics card. The XDS emulator card (any...

Hi Phil, I read your thread with great interest... I am restoring an HP 928 aka 700/60. Your pictures look very familiar! I'm searching for any service manual. My 928 powered on ok. The power switch went crunch. This is the common problem with ME5A switches--inside, a tiny plastic nub...

I am curious how you will go about capturing these images? I discovered 8" floppies among my dad's papers. They contain backups of DX10 user directories. I now have an SA850 floppy that needs power and interface. I hope to connect it to Kryoflux to get track images. The rest is software...

It's TI specific. The hardware reference manual is here: http://bitsavers.org/pdf/ti/990/990-10/0945417-9701B_990-10_HWRef_Nov80.pdf

I'm now looking for a TI-990 chassis, to host a 990/10A cpu. I bought the 990/10A cpu, Spectralogic 26 controller (disk, tape), and Cobol accelerator from Ed Norman in the UK. I have a refurbished 8" SA850 floppy (DSDD) but no way to get it on TILINE. Any ideas? I see a chassis on eBay for...