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Thread: Wanted: Exidy Sorcerer CP/M

  1. #1
    Join Date
    Feb 2005
    Location
    Southern California 92656
    Posts
    72

    Default Wanted: Exidy Sorcerer CP/M

    Hi, I need CP/M, either floppy or cart based, for my Exidy Sorcerer.

    I want to format and use the floppy drives - I have the S-100 expansion and interface card.

    Iíll make a copy and return your disk if you have one.

    Thanks-
    Steve.

  2. #2
    Join Date
    Mar 2013
    Location
    Chaffee, MO
    Posts
    1,209

    Default

    I looked at the Dave Dunfield's site and don't see an image there. I don't remember seeing an .IMD, or TD0 Image
    for the Exidy Sorcerer.

    Does any VCF member have some Images for this CP/M Computer, or know of download URL?

    Larry

  3. #3

    Default

    In my Exidy project folder I have two .dsk files named CPM disk 1 and CPM disk 2, have not tried these myself as my Exidy emulator does not have disk support yet..
    If you PM me your email address I can send you these (about 350k zipped)

  4. #4
    Join Date
    Nov 2012
    Location
    Richmond Hill, Ontario, Canada
    Posts
    1,145

    Default

    Quote Originally Posted by gertk View Post
    In my Exidy project folder I have two .dsk files named CPM disk 1 and CPM disk 2, have not tried these myself as my Exidy emulator does not have disk support yet..
    If you PM me your email address I can send you these (about 350k zipped)
    I can post these and make them publicly available, if you like. I'll PM my email address.

    I have some 8" disks that have CP/M for my Exidy system but I'm not sure it's works as a standard configuration with the expansion chassis. I need to dig out those disks and try to archive them.

  5. #5
    Join Date
    Nov 2012
    Location
    Richmond Hill, Ontario, Canada
    Posts
    1,145

    Default

    Thanks to gertk, I have a zip file with the two disk images in it. It is located here: http://vintagecomputer.ca/files/Exid...e/cpmdisks.zip

    It turns out that I already had these disk images files as well and am not sure where I picked them up. I read the first disk and caught this string:

    CP/M on Exidy Sorcerer
    45K CP/M VERS 1.42/3
    Copyright (C) 1979 Exidy Inc

    Hope this helps.

  6. #6
    Join Date
    Mar 2013
    Location
    Chaffee, MO
    Posts
    1,209

    Default

    Those files are 332,640 bytes. Do you have a clue as to Tracks=?, Sectors-per-track=?, Bytes-per-Sector=?, Sides=?, Boot Tracks=?, Skew=? of those .DSK files?

    Looking at the files with hexedit the directory starts at 0x21CD.

    I'm trying to access them with cpmtools.

    Larry

  7. #7
    Join Date
    Nov 2012
    Location
    Richmond Hill, Ontario, Canada
    Posts
    1,145

    Default

    Quote Originally Posted by ldkraemer View Post
    Those files are 332,640 bytes. Do you have a clue as to Tracks=?, Sectors-per-track=?, Bytes-per-Sector=?, Sides=?, Boot Tracks=?, Skew=? of those .DSK files?
    Looking at the disk in a hext editor, you can see this text string: "EXIDY MICROPOLIS DISK COPY PROGRAM VERSION 1.0.(C) COPYRIGHT EXIDY INC. 1979"

    Maybe these are hard sectored disk images? We need "steven stengel" to crack open the expansion unit and check the drive controller, if he has one.

    On another note, I do have soft sectored 5.25" CP/M floppies for my Exidy set up but it's for a CCS based CP/M. I don't think it's compatible with the expansion unit and the cards/drives that may come with them or the monitor/floppy unit.
    Last edited by snuci; August 7th, 2018 at 05:55 PM.

  8. #8

    Default

    I think it is hard sectored. Didn't he already say that?

    (Edit: No, it was dutchacorn who said that, on another thread)

  9. #9
    Join Date
    Nov 2012
    Location
    Richmond Hill, Ontario, Canada
    Posts
    1,145

    Default

    Quote Originally Posted by JonB View Post
    I think it is hard sectored.
    Well, the plot thickens. I scanned the original Exidy Sorcerer CP/M Software manual this morning and it's here: http://vintagecomputer.ca/files/Exid...e%20Manual.pdf

    These disk images don't appear to match the normal Exidy Sorcerer produced hardware in the Floppy Disk Subsystem or the Display Disk Subsystem. The bootup message for these disk images is different so these might be hard-sectored but it also might be soft-sectored. This manual mentions both single-sided and double-sided soft-sectored Micropolis drives for those two units on PDF page 306 as shown below. Might be worth looking into the Micropolis 77 track soft-sectored format. The CP/M manual also talks about incompatibility and the Exidy specific skewing pattern on PDF page 309 which is "must read" material. Hope this helps.

    Portion of page 309:

    A. Hardware for the DDS and the FDS

    The Exidy CBIOS runs on both the Display Disk System
    (DDS) and the Floppy Disk Subsystem (FDS). A DDS
    consists of a Sorcerer II Computer (with keyboard),
    Display Disk Unit containing a video screen, and two soft
    sectored Micropolis drives. The Exidy CBIOS may actually
    support three disk drives connected to the soft sectored
    disk controller. However, a controller and only two
    drives are supplied with the DDS. The DDS may be
    augmented by other peripherals such as a printer,
    cassettes, etc.. The Exidy CBIOS assigns the logical
    CP/M devices, Punch and Reader, to serial write and
    serial read respectively. The List device is assigned to
    the Sorcerer Centronics parallel printer interface.

    On cold boot, CP/M on the DDS outputs one of the
    following messages:

    CP/M on the Exidy Sorcerer for 77 Track Disk
    77 Track Single Sided Disks
    32K CP/M VERS 2.2/lF
    Copyright (C) 1981 Exidy Systems, Inc.
    A>


    or

    CP/M on the Exidy System 80
    77 Track Double Sided Disks
    32K CP/M VERS 2.2/2F
    Copyright (c) 1981 Exidy Systems, Inc.
    A>


    The Exidy CBIOS also runs on the Floppy Disk System
    (FDS). An FDS consists of a Sorcerer II Computer (with
    keyboard), and a Floppy Disk Subsystem containing an MPI
    floppy disk drive and controller. The Exidy CBIOS may
    actually support three disk drives connected to the soft
    sectored disk controller. However, a controller and only
    one drive are supplied with the standard Floppy Disk
    Subsystem. The FDS may be augmented by other peripherals
    such as printers, cassettes, etc.. The Exidy CBIOS
    assigns the logical CP/M devices Punch and Reader, to
    serial write and serial read respectively. The List
    device is assigned to the Sorcerer Centronics parallel
    printer interface.

    Version 2.2/lF CBIOS operates on the FDS and version
    2.2/2F operates on the DDS.

  10. #10

    Default

    Ooh CP/M 2.2 - Mine's a lowly 1.4 (according to the hard sectored disk's label).. nice!

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