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https://github.com/elliotnunn/sys7.1-doc-wip.git
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163 lines
6.1 KiB
Plaintext
163 lines
6.1 KiB
Plaintext
;__________________________________________________________________________________________________
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;
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; File: Devices.a
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;
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; Contains: Equate file for drivers/Device Mgr etc.
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;
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; Written by: a little of everyone.
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;
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; Copyright © 1988-1993 by Apple Computer, Inc. All rights reserved.
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;
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; Change History (most recent first):
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;
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; <1> 10/14/93 pdw first checked in
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; <1> 9/26/93 pdw first checked in
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;
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;___________________________________________________________________________
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IF (&TYPE('__Devices__') = 'UNDEFINED') THEN
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__Devices__ SET 1
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IF &TYPE('__OSUtils__') = 'UNDEFINED' THEN
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INCLUDE 'OSUtils.a'
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ENDIF
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statusGetDCE EQU 1 ; get DCE handle; good for all drivers
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DCtlEntry RECORD 0
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dCtlDriver DS.L 1 ; Ptr
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dCtlFlags DS.W 1 ; short
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dCtlQHdr DS QHdr
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dCtlPosition DS.L 1 ; long
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dCtlStorage DS.L 1 ; Handle
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dCtlRefNum DS.W 1 ; short
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dCtlCurTicks DS.L 1 ; long
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dCtlWindow DS.L 1 ; WindowPtr
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dCtlDelay DS.W 1 ; short
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dCtlEMask DS.W 1 ; short
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dCtlMenu DS.W 1 ; short
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size EQU *
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ENDR
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AuxDCE RECORD 0
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dCtlDriver DS.L 1 ; Ptr
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dCtlFlags DS.W 1 ; short
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dCtlQHdr DS QHdr
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dCtlPosition DS.L 1 ; long
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dCtlStorage DS.L 1 ; Handle
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dCtlRefNum DS.W 1 ; short
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dCtlCurTicks DS.L 1 ; long
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dCtlWindow DS.L 1 ; GrafPtr
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dCtlDelay DS.W 1 ; short
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dCtlEMask DS.W 1 ; short
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dCtlMenu DS.W 1 ; short
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dCtlSlot DS.B 1 ; Byte
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dCtlSlotId DS.B 1 ; Byte
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dCtlDevBase DS.L 1 ; long
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dCtlOwner DS.L 1 ; Ptr
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dCtlExtDev DS.B 1 ; Byte
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fillByte DS.B 1 ; Byte
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size EQU *
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ENDR
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FollowsNewRules EQU 2 ; New DRVR Rules Bit
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MACRO
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ParamBlockHeader
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qLink DS.L 1 ; QElemPtr: queue link in header
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qType DS.W 1 ; short: type byte for safety check
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ioTrap DS.W 1 ; short: FS: the Trap
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ioCmdAddr DS.L 1 ; Ptr: FS: address to dispatch to
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ioCompletion DS.L 1 ; ProcPtr: completion routine addr (0 for synch calls)
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ioResult DS.W 1 ; OSErr: result code
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ioNamePtr DS.L 1 ; StringPtr: ptr to Vol:FileName string
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ioVRefNum DS.W 1 ; short: volume refnum (DrvNum for Eject and MountVol)
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MEND
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IOParam RECORD 0
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ParamBlockHeader
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ioRefNum DS.W 1 ; short: refNum for I/O operation
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ioVersNum DS.B 1 ; Byte: version number
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ioPermssn DS.B 1 ; Byte: Open: permissions (byte)
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ioMisc DS.L 1 ; Ptr: Rename: new name (GetEOF,SetEOF: logical end of file) (Open: optional ptr to buffer) (SetFileType: new type)
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ioBuffer DS.L 1 ; Ptr: data buffer Ptr
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ioReqCount DS.L 1 ; long: requested byte count; also = ioNewDirID
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ioActCount DS.L 1 ; long: actual byte count completed
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ioPosMode DS.W 1 ; short: initial file positioning
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ioPosOffset DS.L 1 ; long: file position offset
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size EQU *
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ENDR
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CntrlParam RECORD 0
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ParamBlockHeader
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ioCRefNum DS.W 1 ; short: refNum for I/O operation
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csCode DS.W 1 ; short: word for control status code
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csParam DS.W 11 ; Array of short: operation-defined parameters
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size EQU *
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ENDR
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; status parameter block for drvrGestalt calls
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DriverGestaltParam RECORD 0
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ParamBlockHeader
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ioCRefNum ds.w 1 ; refNum for I/O operation
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csCode ds.w 1 ; == driverGestaltCode
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driverGestaltSelector ds.l 1
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driverGestaltResponse ds.l 1
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size EQU *
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ENDR
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;*** Driver Gestalt Structures ***
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driverGestaltCode equ 43
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; Currently defined drvrGestalt selectors
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driverGestaltSync equ 'sync' ; True if driver only behaves synchronously.
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driverGestaltPrefetch equ 'prft' ; The prefetch buffer characteristics (size and time to prefetch)
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driverGestaltBoot equ 'boot' ; value to place in PRAM for this drive (long)
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; Structures for currently defined drvrGestalt selectors
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driverGestaltBootResponse RECORD 0
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extDev ds.b 1 ; Packed target (upper 5 bits) LUN (lower 3 bits)
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partition ds.b 1 ; Unused
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SIMSlot ds.b 1 ; Slot
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SIMsRSRC ds.b 1 ; sRsrcID
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ENDR
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; FUNCTION GetDCtlEntry(refNum: INTEGER): DCtlHandle;
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IMPORT GetDCtlEntry
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; FUNCTION SetChooserAlert(f: BOOLEAN): BOOLEAN;
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IMPORT SetChooserAlert
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; FUNCTION OpenDriver(name: Str255;VAR drvrRefNum: INTEGER): OSErr;
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IMPORT OpenDriver
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; FUNCTION CloseDriver(refNum: INTEGER): OSErr;
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IMPORT CloseDriver
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; FUNCTION PBControl(paramBlock: ParmBlkPtr;async: BOOLEAN): OSErr;
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IMPORT PBControl
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_PBControlSync OPWORD $A004
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_PBControlAsync OPWORD $A404
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; FUNCTION PBStatus(paramBlock: ParmBlkPtr;async: BOOLEAN): OSErr;
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IMPORT PBStatus
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_PBStatusSync OPWORD $A005
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_PBStatusAsync OPWORD $A405
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; FUNCTION PBKillIO(paramBlock: ParmBlkPtr;async: BOOLEAN): OSErr;
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IMPORT PBKillIO
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_PBKillIOSync OPWORD $A006
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_PBKillIOAsync OPWORD $A406
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ENDIF ; ...already included |