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Thread: Ibm 5110 dos

  1. #1
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    Default Ibm 5110 dos

    Hey,
    I was wondering if running dos on a Basic/Apl machine, specifically the 5110, was even possible. I don't know if there is some form of DOS that doesn't require the 80x86 architecture, or a single CPU for that matter. Maybe a DOS emulation running in BASIC? I don't know,
    Thanks,
    Harper

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    Lots of DOSes ran on other architectures, most having no relationship to MS-DOS. The 5100 PALM was built using an emulated System 360 so conceivably one could have moved DOS/360 to it. The 5100 had about the same memory as the lower end of the 360 range that ran DOS/360. Might have been a bit overkill for the actual use of a 5100 though.

  3. #3

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    If you mean MS-DOS/clones thereof specifically, well, no, that's x86-specific. Hypothetically one could develop an emulator for it to run on the 5100 series, but there isn't much compelling reason other than just to say you did.
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    Quote Originally Posted by krebizfan View Post
    Lots of DOSes ran on other architectures, most having no relationship to MS-DOS. The 5100 PALM was built using an emulated System 360 so conceivably one could have moved DOS/360 to it. The 5100 had about the same memory as the lower end of the 360 range that ran DOS/360. Might have been a bit overkill for the actual use of a 5100 though.
    I don't believe that the PALM implemented supervisor mode--and I'll bet that the PSW differed considerably. Then there's the matter of the channels. Still a 5100 with a few 2402s, 2311s and a 2501 might be interesting...

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    Excuse my ignorance, but are those some sort of IC's to hook into the PALM?

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    No, they're IBM tape, disk and card units for the S/360. The channels would be a real challenge...

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    Could you run DOS/VS on a 5110? If so, does anybody have a copy of the files ��?? (I guess I could transfer them to a machine with a modified 8" drive from a 3.5" from a semi-modern computer)

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    Well I don't know about the 5100, but I do know the 5110 has disk drives and a cassete drive. If you could find a version on 8" floppy of DOS/360 or DOS/VS, maybe you could transfer it either to the 5110, or copy it to cassete and move it to the 5100?

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    Once again, excuse my ignorance, I was born after Y2K (), but what is superviser mode? (My exposure to a functioning System/360 is limited)

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    Crikey--first of all, the PALM doesn't implement the S/360 instruction set. It has emulator code that allows it to interpretively execute the code stored in the APL or BASIC memories, which are accessed as peripherals, not as main memory. The interpreter interprets either a subset of S/360 or S/3 code, depending on the language being used.

    The microcode for the 5110 is documented here.

    Can you run DOS/VS on an 8008 system with a disk? Probably--the 8008 is Turing-complete. You can also run DOS/VS with a few large bowls and truckloads of pennies. I wouldn't want to do either--life is way too short.

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