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102 lines
2.9 KiB
Plaintext
102 lines
2.9 KiB
Plaintext
;EASE$$$ READ ONLY COPY of file ÒATBootUtils.aÓ
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; 1.1 PWD 12/12/1989 Added support for self-authenticating images
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; 1.0 PWD 10/30/1989 Adding to EASE
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; END EASE MODIFICATION HISTORY
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INCLUDE 'SysEqu.a' ; System definitions
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INCLUDE 'SysErr.a' ; System errors
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; for the glue...
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INCLUDE 'ToolEqu.a' ; Toolbox definitions
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INCLUDE 'Traps.a' ; Traps definitions
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INCLUDE 'SlotEqu.a'
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;
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; from IOTRAPS.TEXT -- Mac OS IO Interface routines for Pascal
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;
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; Argument- A0: param: Points to Parameter block.
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;
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; Results- D0: ec: error code.
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; <0: OS Call failed.
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; 0: All is well.
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; Registers- D0: ec: error code
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; A0: param: Paramater list address.
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; A1: ra: Return Address.
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;
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MACRO
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OsCall
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Move.L (SP)+,A1 ;get return address
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.**** check this out thoroughly before changing
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Move.B (SP)+,D0 ;Get ASync flag. (why was this a word?)
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Move.L (SP)+,A0 ;get param pointer.
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BNE.S @1
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.*
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&SysLst[1] ;tell OS to do it Synchronously
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BrA.S @2
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.*
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@1 &SysLst[1] ,async ;Tell OS to do it Asynchronously
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@2 Move.W D0,(SP) ;save result
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Jmp (A1) ;return to caller
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ENDM
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; This macro pops the return address into A1, then gets the parameter
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; block pointer and puts it into A0. The selector value is passed to the
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; macro and put into D0. Then the Slot Manager is called. Status returned
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; in D0 is pushed on the stack. Return is made via a JMP (A1).
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MACRO
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SlotManager
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MOVE.L (SP)+,A1 ;get return address
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MOVE.L (SP)+,A0 ;get param block ptr
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MOVEQ #&SYSLIST[1],D0 ;put selector in D0
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_SlotManager
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MOVE.W D0,(SP) ;push status
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JMP (A1) ;return
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ENDM
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;FUNCTION ATSReadDrvrName(spBlkPtr: SpBlockPtr): OSErr;
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ATSReadDrvrName FUNC EXPORT
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_sReadDrvrName EQU $19
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SlotManager _sReadDrvrName
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ATSNextTypesRsrc FUNC EXPORT
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_sNextTypesRsrc EQU $15
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SlotManager _sNextTypesRsrc
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;FUNCTION ATOpenSlot(paramBlock: ParmBlkPtr; aSync: BOOLEAN): OSErr;
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MACRO
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OSICall
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Move.L (SP)+,A1 ;get return address
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.**** check this out thoroughly before changing
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Move.B (SP)+,D0 ;Get ASync flag. (why was this a word?)
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Move.L (SP)+,A0 ;get param pointer.
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BNE.S @1
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.*
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&SysLst[1] ,immed ;IMMED = special open for slot devices
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BrA.S @2
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.*
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@1 &SysLst[1] ,async+immed ;no reason they can't be async.
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@2 Move.W D0,(SP) ;save result
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Jmp (A1) ;return to caller
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ENDM
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ATOpenSlot PROC EXPORT
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OSICall _Open
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ATPBControl PROC EXPORT
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OsCall _Control
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ENDP
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ATPBOpen PROC EXPORT
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OsCall _Open
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ENDP
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_EndATDrvr PROC EXPORT
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ENDP
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END
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