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R & W Commands F3

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  • peter_sany
    Administrator
    • Dec 2020
    • 1224

    R & W Commands F3

    Commands issued at level T>

    r command is used to read system files (E.G. T>r93 requests system file 93)
    w command is used to write system files (E.G. T>w28 initiates write for system file 28)

    These commands can also be used to read/write a specific volume/copy of a system file. The command is issued as follows:
    r[FileId],[VolumeNum],[CopyNum],[ByteOffset],[Length],[OutputFmt]
    w[FileId],[VolumeNum],[CopyNum],[ByteOffset]
    So for example to read system file 28 volume 3, copy 1: T>r28,3,1
    To write system file 93 volume 3, copy 0: T>w93,3,0
    (Most SA modules are in the default volume 3, just FYI)

    These read/write operations are carried out using Y-Modem protocol supported by some terminal programs.
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