%ZISUTL ;ISD/HGW - Device Handler Utility routine ; 8/19/20 10:51am
Source file <ZISUTL.m>
| Name | Comments | DBIA/ICR reference |
|---|---|---|
| GETDEV(X) | ;Return IO variables
; ZEXCEPT: POP |
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| SAVDEV(NM) | ;Save IO variables
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| SYMBOL(MODE,ROOT) | ;0=Save, 1=Restore, K=Kill IO variables
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| RMDEV(X) | ;Remove saved IO variables.
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| RMALLDEV() | ;Remove saved IO variables for all devices saved in table.
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| FINDEV(NM) | ;Find Device name and return IEN.
|
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| NEXTDEV(NM) | ;Return next available device.
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| OPEN(HNDL,IOP,%ZIS) | ;Open extrinsic function
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| CLOSE(X1) | ;Close extrinsic function
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| USE(X1) | ;Restore IO* variables pertaining to the device.
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| LINEPORT() | ;Return device name for line port.
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| LNPRTSUB() | ;Return line port subtype pointer.
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| LNPRTNAM() | ;Return Line port name
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| LNPRTIEN(X) | ;Return internal entry number of Line/port
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| LNPRTADR(X) | ;Returns Line/Port name of a fixed device.
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| FIND(IOP) | ;e.f. Get the IEN of a device
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| NOQ(IOP) | ;e.f. Return queueing status
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| UNIQUE(ZISNA) | ;Build a unique number to add to a device name
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| ENDOFILE() | ;p599 Set Cache end-of-file to work like DSM
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