No, it's all white original paper. Lots of fold outs in there. Looks like I have a second copy of those sheets as well so I should be able to get you some good scans.
Kurt On Fri, Oct 9, 2026, at 12:33 PM, B 9 wrote: > No rush, Kurt. > > Is the Green NEC book the one with about 200 pages of which the last half > appears to have been printed on tractor-feed greenbar paper > <https://www.pdp8online.com/images/greenbar.shtml>? > > I've been trying to figure out the puzzle pieces from different poor quality > scans like they're the dead sea scrolls for years. Just last week I had been > talking with Gary about the mathematical routines in the ROMs which lead me > back to the second half of the PC-8200 Technical Notes. Even the parts which > aren't missing are very hard to read. I tried to merge the scans into a more > legible PDF to upload to archive.org, but gave up. I finally decided it would > be less of a pain to just retype the whole thing. I was seriously considering > doing that and was reading up on Leiden bracket notation > <https://papyri.info/docs/leiden_plus#leiden-conventions> so I could properly > emend the lacunae <https://arxiv.org/html/2407.00250v1>. A good quality scan > will save me so much time and effort! > > —b9 > > On Fri, Oct 9, 2026 at 8:48 AM Kurt McCullum <[email protected]> wrote: >> __ >> I can do that. The only problem will be with the pages that unfold to show >> circuit diagrams but I will figure that out. Might take a couple days >> though. This weekend is rather busy for me. >> >> Kurt >> >> On Fri, Oct 9, 2026, at 10:23 AM, B 9 wrote: >>> Kurt, if you could scan the original, it would be great! I've been trying >>> to merge and decipher the two (and a half) versions of the tech ref I've >>> found online and it is nigh impossible. The quality is just too poor. >>> >>> —b9 >>> >>> On Fri, Oct 9, 2026 at 6:30 AM Kurt McCullum <[email protected]> wrote: >>>> __ >>>> I have two version of the Tech ref. One is a photocopy and the other an >>>> original hard copy in the green NEC folder. >>>> >>>> I can check those for any content you might need. >>>> >>>> Kurt >>>> On Fri, Oct 9, 2026, at 7:24 AM, Gary Weber wrote: >>>>> Hi John, >>>>> I may have a different PDF available. What's the missing content? Are >>>>> you missing whole pages or diagrams? >>>>> >>>>> Have a look at https://www.web8201.net/tech.asp and see if the second >>>>> document you're referencing is present. >>>>> >>>>> On Thu, Oct 8, 2026 at 8:58 PM John R. Hogerhuis <[email protected]> wrote: >>>>>> Is there only one PDF version of the 8201A tech ref? It has some missing >>>>>> content. >>>>>> >>>>>> Also the document refers to another tech ref that covers the file system >>>>>> in even more detail, don't know if anyone has found that. >>>>>> >>>>>> I ripped a version of it into an .md file so my local AI rig can utilize >>>>>> it. Unfortunately converting it to .md (marksown) leaves a lot to be >>>>>> desired... the ASCII art is mangled and the embedded OCR'd text is >>>>>> riddled with errors. >>>>>> >>>>>> If anyone has got a better copy or one with better OCR that would be >>>>>> helpful. Successfully converted to .md would be even better.' >>>>>> >>>>>> Next I'll be looking for or creating similar documents .md Inside the >>>>>> Model 100 and Hidden Secrets, the user manual and Lien's book to feed >>>>>> into the AI spaghetti flinger. >>>>>> >>>>>> -- John.
