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https://github.com/elliotnunn/supermario.git
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229 lines
8.0 KiB
Plaintext
229 lines
8.0 KiB
Plaintext
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; File: SlotMgrEqu.a
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;
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; Contains: This file contains PRIVATE equates for the slot manager
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;
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; Written by: George Norman
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;
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; Copyright: © 1986-1992 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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; <SM4> 10/28/92 SWC Changed SlotEqu.a->Slots.a.
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; <SM3> 6/30/92 kc Roll in Horror, comments follow:
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; <H4> 6/10/92 djw Add new selector for doSecondaryInit (a private routine)
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; <H3> 6/10/92 djw Add new private trap macro's for AddCard, RemoveCard,
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; and CheckSlot.
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; <SM2> 5/17/92 kc Add get sGetSRTEntry vector number.
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; <5> 1/7/92 RB Added a couple of records structures used to identify faulty
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; drivers in Apple display cards.
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; <4> 1/30/91 gbm sab, #38: Change the ‘already including this file’ variable to
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; all uppercase (for security reasons)
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; <2> 1/17/90 djw Add new slotmgr private selector GetBoard
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; <1.9> 6/30/89 djw removed pSlotStatus.
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; <1.8> 4/16/89 GGD Added new data structures used by SlotInterrupts.a and
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; VerticalRetraceMgr.a
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; <1.7> 4/12/89 djw Removed including slotequ.a and duplicate state constants
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; (state_sdminit,...)
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; <1.6> 3/28/89 djw added an SRT entries count to globals. Added macros for private
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; routines, added last SRT ptr in globals.
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; <1.5> 3/12/89 djw changed srt link block and added some mark values, deleted
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; SRTlastBlk ptr in globals and substituted expansion chassis
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; support fields.
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; <1.4> 3/1/89 djw change srrblock flag field from byte to long
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; <1.3> 2/20/89 djw added SRT header record definition, added slot mgr globals
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; record. added flag field to srrBlock for enable/disable.
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; <1.2> 1/6/89 djw Add slotVNum for slot version number
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; <1.1> 11/17/88 CCH Added stuff from system build.
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; <1.0> 11/9/88 CCH Adding to EASE.
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; <1.0> 10/24/88 djw Adding for the first time into EASE.
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; 1/10/88 djw created - removed sSDMRecord and state equates
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;
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;_______________________________________________________________________________________
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IF &TYPE('__INCLUDINGSLOTMGREQU__') = 'UNDEFINED' THEN
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__INCLUDINGSLOTMGREQU__ SET 1
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Include 'Slots.a'
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;---------------------------------------------------------------------
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;MACRO: sNextStep(VAR Step:Dx; VAR Temp:Dy; VAR sPointer:An)
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; sNextStep creates a new pointer from the given pointer and step
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; register. The step register is updated for the next call.
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; NOTE: &Temp must be CLEAR in bits 8..15.
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;---------------------------------------------------------------------
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MACRO
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sNextStep &Step,&Temp,&sPointer
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MOVE.B &Step,&Temp ;&Temp <- the Least Significant Byte of the Step register.
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ADD.W &Temp,&sPointer ;&sPointer <- &sPointer + Step[x]
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@M10 ROR.L #8,&Step ;&Step <- the next step value.
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TST.B &Step ;IF (the next step value is zero) THEN
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BEQ.S @M10 ; GOTO @M10 {Skip it}
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ENDM
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;=====================================================================
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; Constants
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;=====================================================================
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slotVNum EQU 2 ; if new slot manager is in ROM <1.3>
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; 1 if slot manager has been patched
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; 0 if not present - really an error
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srDisable EQU 0 ; bit number for srrFlags - set = disabled <1.3>
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;these are apple internal only, never roll into equates
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srrBlock RECORD 0 ;Slot Resource Table Record.
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srrSlot DS.B 1 ; Slot
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srrId DS.B 1 ; Id
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srrExtDev DS.B 1 ; External Device <C663>
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srrHWDev DS.B 1 ; Hardware device id. <1.3>
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srrRefNum DS.W 1 ; RefNum of driver
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srrIOReserved DS.W 1 ; Reserved
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srrCategory DS.W 1 ; sType: Category
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srrCType DS.W 1 ; Type
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srrDrvrSW DS.W 1 ; DrvrSW
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srrDrvrHW DS.W 1 ; DrvrHW
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srrsRsrcPtr DS.L 1 ; Pointer to sResource
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srrFlags DS.L 1 ; flag field <1.4>
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SRTRecSize EQU * ; Size of se parameter Block
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ENDR
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srtLink RECORD 0 ; SRT link block <1.5>
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srtMarker DS.W 1 ; place holder for marker
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srtNext DS.L 1 ; ptr to next srt block, or nil
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srtLinkSize EQU * ; size of srt link record
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ENDR
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srtend EQU $FFFF ; end of the srt blk and start of link block <1.5>
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srtfree EQU $FF01 ; a free entry <1.5>
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srtMaxEntries EQU 8 ; 8 entries per SRT block <1.3>
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srtBlkSize EQU srtMaxEntries*srrBlock.SRTRecSize ; size of srt blocks to allocate <1.3>
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SlotRsrcType RECORD 0 ;Slot Resource Type.
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sCategory DS.W 1 ; sType: Category
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sCType DS.W 1 ; Type
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sDrvrSW DS.W 1 ; DrvrSW
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sDrvrHW DS.W 1 ; DrvrHW
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SRSize EQU * ; Size of Slot resource type.
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ENDR
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seHeader2 RECORD 0 ;Record structure of sExec Block, Revision-2.
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seRevision DS.B 1 ; Revision of seBlock. Revision = 2. {Must be same field as se1Block}
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seCPUId DS.B 1 ; Id of CPU
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seTimeOut DS.W 1 ; Time Out
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seCodeOffset DS.L 1 ; Offset to code.
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ENDR
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; Slot Manager global variables - globals are a negative offset from sInfoPtr.
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slotGlobals RECORD 0,DECR ; global variables for slot manager <1.3>
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BusUseCnt DS.W 1 ; count for usage of exception vector - when zero restore saved one
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entryMMUMode DS.W 1 ; saved mmu mode when bus exception was swapped
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sysBusExcptn DS.L 1 ; saved bus exception vector
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slotBusExcptn DS.L 1 ; slot manager's bus exception vector
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lastSRTPtr DS.L 1 ; ptr to the last entry in the SRT <1.6>
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srtCnt DS.W 1 ; number of entries in the SRT <1.6>
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expnSlot DS.B 1 ; expansion chassis slot number <1.5>
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expnId DS.B 1 ; expansion chassis sRsrc id <1.5>
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slotGlobalSize EQU slotGlobals-*
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ENDR
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; <5> rb, from Terror
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DevTblRec Record 0 ; CardDevice identification record.
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category Ds.w 1 ; spCategory
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cType Ds.w 1 ; spCType
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drvrSW Ds.w 1 ; spDrvrSW
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drvrHW Ds.w 1 ; spDrvrHW
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drvrVers Ds.w 1 ; driver version number
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DTEntrySize Equ *
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Endr
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LoadTBlRec Record 0 ; Table of device parameter offsets.
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ltAddrOff Ds.l 1 ; Offset to driver code.
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ltSizeOff Ds.l 1 ; Offset to size of driver.
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ltSpID Ds.b 1 ; Kind of spID to look for.
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ltSpExtDev Ds.b 1 ; Multiple devices?
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ltPadding Ds.b 2 ; Padding (for alignment).
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LTEntrySize Equ *
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Endr
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; Slot manager private routines - these routines are accessed through <1.6>
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; the vector table, but not the trap dispatcher.
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macro
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slotjsr &selector
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pea @resume
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move.l ([SDMJmpTblPtr],&selector*4),-(sp)
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rts
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@resume
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endm
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sDoSecondary equ $0f ; <h4> djw
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sAddCard equ $1e ; <h3> djw
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sRemoveCard equ $1f ; <h3> djw
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sCheckSlot equ $27 ; <h3> djw
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NewSRTEntry equ $34
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InitEntry equ $35
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SrToSpBlock equ $36
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Read4Bytes equ $37
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GetBoard equ $38 ; <2>
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BusException equ $39
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InstallBus equ $3A
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RestoreBus equ $3B
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AllocSRTBlk equ $3C
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sGetSRTEntry equ $3D
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; Slot manager sustem private routines which are accessed through the trap dispatcher.
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macro ; <h3> djw
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_AddCard
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moveq.l #sAddCard,d0
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_SlotManager
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endm
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macro ; <h3> djw
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_RemoveCard
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moveq.l #sRemoveCard,d0
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_SlotManager
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endm
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macro ; <h3> djw
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_CheckSlot
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moveq.l #sCheckSlot,d0
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_SlotManager
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endm
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; Private data structures used by slot interrupt and VBL processing.
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slotVBLInfo record {slotVBLQHdr},increment
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ds.w 1 ; unused space, for alignment
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slotVBLQHdr ds.b qHeadSize ; slot VBL queue header for this slot
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slotTickCount ds.l 1 ; VBL tick count for this slot
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sVBLInfoSize equ *-slotVBLInfo
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endr
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slotIntGlobals record {slotVBLPtrs},increment ; globals pointed to by SlotQDT
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slotVBLPtrs ds.l TotalSlots ; pointers to slotIntInfo records, indexed by slot number
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ds.l 1 ; filler, reserved
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slotIntQHeads ds.l TotalSlots ; pointers to SlotIntQElement records, indexed by slot number
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ds.l 1 ; filler, reserved
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slotVBLInfos ds.b TotalSlots*slotVBLInfo.sVBLInfoSize ; VBL info record for each possible slot
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sIntGlobalSize equ *-slotIntGlobals
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endr
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ENDIF ; ...already included
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