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  1. Looking for an Intel 8085 3-chip solution (8085, 8755, 8156) PCB

    I have a hankering to play with the original intel 3 chip set (8085, 8755, 8156) as published (for example) in the MCS-85 manual. I had wire wrapped one decades ago but of course it is long gone. ...
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    Your profile doesn’t indicate where you are...

    Your profile doesn’t indicate where you are located, chances are there is someone nearby that can read the tapes. I can read them if you are in the PNW, It would only take a few minutes to feed them...
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    Just read it as raw data, then interpret once it...

    Just read it as raw data, then interpret once it is in electronic form where it is easier to identify patterns.
    Just keep in mind that a lot of these tapes are simply data in binary form so...
  4. Thanks Dwight. But if something doesn’t crop up...

    Thanks Dwight. But if something doesn’t crop up I’ll do it in C

    Craig
  5. Lots of options indeed, I did not see octal but...

    Lots of options indeed, I did not see octal but maybe some good ideas. Thanks
  6. Utility to convert intel hex into ascii stream for sending from terminal emulator

    I often have the need to simulate a paper tape reader and send ascii from a terminal to some hardware using “send file” as if typing (in hex or octal). For example, send code to a little boot...
  7. Dead dead. As in missing components dead.

    Dead dead. As in missing components dead.
  8. Thanks. I have the 80/20-4 and the 80/24A...

    Thanks. I have the 80/20-4 and the 80/24A documentation. It is the 80/24 schematics that doesn’t seem to be anywhere

    Craig
  9. Need intel iSBC 80/24 schematics and/or user manual

    My next project may be a dead iSBC 80/24 that has been calling to me. I have schematics for the earlier 80/20-4 and the later 80/24A but not the 80/24 itself. Does anyone happen to know if these...
  10. Need Intel iSBC 80/24 Schematics and/or users manual

    My next project may be a dead iSBC 80/24 that has been calling to me. I have schematics for the earlier 80/20-4 and the later 80/24A but not the 80/24 itself. Does anyone happen to know if these...
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    Dwight were the SIM4-01 and SIM4-02...

    Dwight

    were the SIM4-01 and SIM4-02 contemporaries that were differentiated by price and capability or are they revisions that came out sequentially and the intent of the -02 was to replace the...
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    Dwight Good information to know, thanks ...

    Dwight

    Good information to know, thanks

    This is pretty much what the MIL documentation SAYS its resident monitor does, but it does not. I think MIL lifted some design aspects from the MP7 and...
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    Slob.. I wasn’t going for period perfect so i...

    Slob..

    I wasn’t going for period perfect so i don’t have any idea how much extra that would take in time and cost. There are a dozen boards in the set, I forget how much they cost. I think...
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    I haven’t found the SIM programmer code online to...

    I haven’t found the SIM programmer code online to look through it. My suggestion was that the MIL MOD8 uses the same dual monostable hardware design as the MP7. However, the MIL does not use both...
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    Dwight I need to dig deeper, but I was...

    Dwight

    I need to dig deeper, but I was thinking I would go for the last revision of the boards. That may be misguided but I lived through the constraints of writing programs with 256 bytes of ram...
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    Dave I had many components for the mil mod8...

    Dave

    I had many components for the mil mod8 hanging around but had to order most. They were not hard to find and I have extras for many of them in case someone else gets in a bind and can’t...
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    Regarding the straight 1702 programming. I...

    Regarding the straight 1702 programming. I believe the mil mod mon8 has a lot in common with the sim8 and might further presume that the SIM8 had some portions of the programming lifted from the...
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    Reproduction SIM4-01 set?

    Has anyone heard of anyone that knows anyone who is offering reproduction SIM4 01 set of boards? I4004
    SIM4-01, MP7-02 and MCB-410
    I know a few people here have originals but I probably won’t live...
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    Dave I have had to lay off my new acquisitions...

    Dave

    I have had to lay off my new acquisitions until I catch up with the projects I already have. That said, at some point I would like to get a MDS-720 disk drive.

    Craig
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    what you are observing and hearing would help a...

    what you are observing and hearing would help a lot. if the drive seems to be moving the head without problems then i would look towards the head or disk. if the drive cannot zero or is making more...
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    I use a saleae logic analyzer and have to say...

    I use a saleae logic analyzer and have to say that it is some of the best $$ i have ever spent. working with i2c, SPI, goofy undocumented busses and interfaces and all my vintage items this has...
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    MarkO i would prefer in the summer. the fall...

    MarkO

    i would prefer in the summer. the fall is too iffy weatherwise for an outdoor event. I may be able to arrange for a venue if we want to have a bring-your-stuff saturday playday and then a...
  23. any schematics for the osborne GM-12 monitor

    does anyone know where i can find the schematics for the osborne GM-12 monitor? mine needs some TLC and i was hoping speed up the process with a schematic.

    thanks
  24. Do you have the schematics for the GM-12? i...

    Do you have the schematics for the GM-12? i could use a set. thanks
  25. WTB intel programming modules for the iUP or iPDS

    does anyone have programming modules for the intel MDS system--specifically for the iUP or the iPDS that they are looking to sell?

    iUP-FAST 27/K
    iUP-F27/128
    iUP F36/32
    iUP-F87/44


    as...
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