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126 lines
3.7 KiB
Plaintext
126 lines
3.7 KiB
Plaintext
;
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; File: PPCUtil.a
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;
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; Copyright: © 1989-1992 by Apple Computer, Inc. All rights reserved.
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;
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; This file is used in these builds: BigBang
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;
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;
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; Change History (most recent first):
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;
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; <SM2> 11/3/92 SWC Changed INCLUDEs to a LOAD of StandardEqu.d.
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; <8> 6/12/91 LN added #include 'SysPrivateEqu.a'
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; <7> 12/13/90 EMT <JSM> Move priviate equate into this file from the PPCToolbox.a
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; file, remove APPCSleepEvent.
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; <6> 11/28/90 EMT <VC> Add new routine FakeCompletion that calls a completion
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; routine as if from the device manager.
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; <5> 11/5/90 EMT Fix bug, so ppc checks to see if the Lap manager is installed
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; befor placing itself into the AppleTalk Transition Queue
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; <4> 10/10/90 gbm change ApplA5 to ppcAppleA5, and cmd<identifiers> to
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; io<identifiers>
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; <3> 8/8/90 S Included APPCSleepEvent.
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; <1.1> 11/6/89 CVC Changed the include from PPCEqu.a to PPCToolbox.a
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; <1.0> 9/18/89 CVC Adding PPC toolbox for the first time.
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;
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CASE OBJ
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PRINT OFF
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LOAD 'StandardEqu.d'
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INCLUDE 'PPCToolbox.a'
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PRINT ON
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; Revision History
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; Sangam 7/20/89 1.0d2 release today!
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;
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; Get the Gobal area.
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;
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getGlobal Proc Export
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LEA ExpandMem,A1
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MOVE.L (A1),A1
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WITH ExpandMemRec
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MOVE.L emPPCGlobals(A1),D0
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ENDWITH
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RTS
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EndProc
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; Added callCompletion routine Sangam 6/14/89
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; This routine will set the A5 to the value of A5 when
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; PPCToolBox was called and then calls the completion routine
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;
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; *int callCompletion(PMParamBlockPtr pb, int result);
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ppcApplA5 EQU 22
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callCompletion PROC EXPORT
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MOVE.L 4(SP),A0 ; Pointer to Param block
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MOVE.L 8(SP),D0 ; Result code
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MOVE.W D0,ioResult(A0) ; store in PB
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MOVE.L ioCompletion(A0),D1 ; check if there is a comp routine
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BEQ.S @1 ; no, we're done
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MOVE.L A5,-(SP) ; save current A5
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MOVE.L ppcApplA5(A0),A5 ; set A5 to the value it had when the call was made
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LINK A6,#0 ; to support Pascal and C conventions
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MOVE.L A0,-(SP) ; push parameters in the stack
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MOVE.L D1,A1 ; pointer to completion routine
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TST.W D0 ; condition code for assembly
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JSR (A1) ; execute the comp routine
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UNLK A6 ; discard parameters
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MOVE.L (SP)+,A5 ; restore A5 value
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@1 RTS
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ENDP
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; Added Appletalk Transition routines Sangam 9/5/89
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; AddtoAtalkQ(PB),
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; PB is a pointer to appletalk transition que element
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LAPMgrPtr EQU $B18
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LAPMgrCall EQU 2
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LAddAEQ EQU 23
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LRmvAEQ EQU 24
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AddtoAtalkQ PROC EXPORT
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LINK A6, #0
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MOVEQ #LAddAEQ, D0 ; D0=23 code for LAddAEQ
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MOVE.L 8(A6), A0
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MOVE.L LAPMgrPtr, A1 ; start of LAPMngr from ($B18)
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CMPA.W #-1,A1
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BEQ @1
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JSR LAPMgrCall(A1) ; Call the Lap Manager at Entry Point
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@1 UNLK A6
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RTS
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ENDP
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; Added Appletalk Transition routines Sangam 9/5/89
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; AddtoAtalkQ(PB),
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; PB is a pointer to appletalk transition que element
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RmvfromAtalkQ PROC EXPORT
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LINK A6, #0
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MOVEQ #LRmvAEQ, D0 ; D0=24 code for LRmvAEQ
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MOVE.L 8(A6), A0
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MOVE.L LAPMgrPtr, A1 ; start of LAPMngr from ($B18)
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CMPA.W #-1,A1
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BEQ @1
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JSR LAPMgrCall(A1) ; Call the Lap Manager at Entry Point
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@1 UNLK A6
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RTS
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ENDP
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;---------------------------------------------------------------------------------------------------
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; Call the completion routine as if from the device manager.
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;---------------------------------------------------------------------------------------------------*/
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Proc
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Export FakeCompletion
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FakeCompletion
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Move.L 4(A7),A0 ; Get the PB off the stack.
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Move.L 12(A0),A1 ; Get the address of the Completion Routine
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Move.W 16(A0),D0 ; Get the IO Result;
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JMP (A1) ; Call Completion Routine
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Endp
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END
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