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70 lines
1.5 KiB
Plaintext
70 lines
1.5 KiB
Plaintext
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;EASE$$$ READ ONLY COPY of file <20>scciopEqu.aii<69>
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; 1.1 CCH 07/08/1989 Added EASE comments to file.
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; 1.0 SGS 02/08/1989 Initial release
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; END EASE MODIFICATION HISTORY
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*
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* File IOPKernEqu.a
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*
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* Copyright 1988 (c) Apple Computer Inc.
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*
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* IOP Kernel Equates include file.
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*
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* Written by Bill O'Connor 3/19/88
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*
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* Edit History
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*
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*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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*
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* Nil ID pointer
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*
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Nil Equ $FF
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*
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* Kernel Messages Constants
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*
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AllocDvr Equ $01
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DeAllocDvr Equ $02
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InitDvr Equ $03
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ByPass Equ $04
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Versn Equ $05
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SCCCntl Equ $06
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Max_KMsg Equ SCCCntl
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*
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* Kernel Task Signals
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*
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RxMsg Equ $01 ; Receive message
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*
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* Kernel Zero Page locations
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*
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Dvr_Use Equ Kernel_ZP+$00 ; Base address of Driver use bytes
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Dvr_AUse Equ Kernel_ZP+$00 ; Driver A ClientID
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Dvr_BUse Equ Dvr_AUse+$01 ; Driver B ClientID
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ByPass_Flag Equ Dvr_BUse+$01 ; ByPass mode flag
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Close_Vec Equ ByPass_Flag+$01 ; Addresses of close routines for Driver A and B
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Init_Vec Equ Close_Vec+$04 ; Addresses of init routines for Driver A and B
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Cur_Task Equ Init_Vec+$04 ; Current task that is executing (1 byte)
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Dvr_TaskID Equ Cur_Task+$01 ; 2 byte table of DvrA_ID and DvrB_ID
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AddressLo Equ Dvr_TaskID+$02 ; ZP memory for indirect parameter passing
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AddressHi Equ AddressLo+$01
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Ver_Ptr Equ AddressHi+$01 ; Three 2 byte pointers to version info
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IOPAlive Equ $031f
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*
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* TiMer Parameter Block (TMPB) equates
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*
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MaxTMPBs Equ 4 ; (range 1..15)
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TMPBsize Equ 7 ; Bytes per TMPB
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