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78 lines
1.8 KiB
Plaintext
78 lines
1.8 KiB
Plaintext
;
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; File: SCSIStandard.a
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;
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; Contains: xxx put contents here xxx
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;
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; Written by: xxx put writers here xxx
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;
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; Copyright: © 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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;
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;
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;********************************************************************
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; General SCSI stuff
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;********************************************************************
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; SCSI status
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scsiStatGood equ $00 ; Good Status
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scsiStatCheckCondition equ $02 ; Check Condition
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scsiStatConditionMet equ $04 ; Condition Met
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scsiStatBusy equ $08 ; Busy
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scsiStatIntermediate equ $10 ; Intermediate
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scsiStatIntermedMet equ $14 ; Intermediate - Condition Met
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scsiStatResvConflict equ $18 ; Reservation conflict
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scsiStatTerminated equ $20 ; Command terminated
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scsiStatQFull equ $28 ; Queue full
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; SCSI messages
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kCmdCompleteMsg equ $00
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kExtendedMsg equ $01
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kSaveDataPointerMsg equ $02
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kRestorePointersMsg equ $03
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kDisconnectMsg equ $04
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kInitiatorDetectedErrorMsg equ $05
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kAbortMsg equ $06
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kMsgRejectMsg equ $07
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kNoOperationMsg equ $08
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kMsgParityErrorMsg equ $09
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kLinkedCmdCompleteMsg equ $0a
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kLinkedCmdCompleteWithFlagMsg equ $0b
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kBusDeviceResetMsg equ $0c
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kAbortTagMsg equ $0d
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kClearQueueMsg equ $0e
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kInitiateRecoveryMsg equ $0f
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kReleaseRecoveryMsg equ $10
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kTerminateIOProcessMsg equ $11
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kSimpleQueueTag equ $20
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kHeadOfQueueTagMsg equ $21
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kOrderedQueueTagMsg equ $22
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kIgnoreWideResidueMsg equ $23
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; SCSI Phases - 1st 8 phases (thru MessageInPhase) are straight off the chip's phase bits
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kDataOutPhase equ 0
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kDataInPhase equ 1
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kCommandPhase equ 2
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kStatusPhase equ 3
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kMessageOutPhase equ 6
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kMessageInPhase equ 7
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kBusFreePhase equ 8
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kArbitratePhase equ 9
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kSelectPhase equ $A
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kMessageInPhaseNACK equ $B
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