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164 lines
6.6 KiB
Plaintext
164 lines
6.6 KiB
Plaintext
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; File: vardefs2.a
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;
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; Contains: xxx put contents here (or delete the whole line) xxx
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;
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; Written by: xxx put name of writer here (or delete the whole line) xxx
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;
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; Copyright: <09> 1987-1991 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> 10/14/91 JSM first checked in
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; <1.1> 9/8/89 jhl Phase 2 AppleTalk with final mods and VM rolled in.
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; <1.0> 6/14/89 WTO Adding AppleTalk 2.0 for first time.
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; <2.0d1> 9/6/88 KEL - AppleTalk 2.0.
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; <1.0> 12/23/87 BBM Converted appletalk sources to new build process.
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;
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;
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;EASE$$$ READ ONLY COPY of file <20>vardefs2.a<>
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; 1.1 jhl 09/08/1989 Phase 2 AppleTalk with final mods and VM rolled in.
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; 1.0 WTO 06/14/1989 Adding AppleTalk 2.0 for first time.
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; END EASE MODIFICATION HISTORY
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;-----------=-----------=-------------------------------=---------------------------------------
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;
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; 2.0d1 06 Sep 88 KEL - AppleTalk 2.0.
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;
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;-----------=-----------=-------------------------------=---------------------------------------
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;EASE$$$ READ ONLY COPY of file vardefs.a
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; 1.0 BBM 12/23/87 Converted appletalk sources to new build process.
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; END EASE MODIFICATION HISTORY
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;-----------=-----------=-------------------------------=---------------------------------------
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;
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; MPP Local Variables. Complete variable layout:
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;
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; SysLAPAddr +-------------------+ <- MPPVars (and A2)
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; | MPP Globals |
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; | (including RHA) | defined in ATalkequ.a
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; AfterGlobals +-------------------+
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; | MPP Local | (protocol handler table, socket listener table, ...)
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; | Variables | *** DEFINED IN THIS FILE ***
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; MPPVarsEnd +-------------------+
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; | LAP-only variables| defined in LAPvars.a
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; DataSize +-------------------+
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;
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;-----------=-----------=-------------------------------=---------------------------------------
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NumOfPHs EQU AfterGlobals ; Entries in PH table (45)
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NumOfSkts EQU NumOfPHs+1 ; Entries in socket table (45)
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;-----------=-----------=-------------------------------=---------------------------------------
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; The LAP protocol handler table starts here.
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;
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; Format:
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; .BYTE ProtCode1, ..., ProtCodeN ; Protocol type codes
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; .LONG PHAddr1, ..., PHAddrN ; Protocol handler addresses
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;-----------=-----------=-------------------------------=---------------------------------------
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LAPTblSz EQU PHs ; Size of LAP protocol handler table (even)
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Protocols EQU NumOfSkts+1 ; List of active protocols
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Handlers EQU Protocols+LAPTblSz ; List of handler addresses
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LAPTblEnd EQU Handlers+(4*LAPTblSz) ; End of LAP table
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;-----------=-----------=-------------------------------=---------------------------------------
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; The DDP socket table starts here.
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;
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; Format:
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; .BYTE SktNum1, .., SktNumN ; Socket numbers
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; .LONG SktLstAdr1, .., SktLstAdrN ; Socket listener addresses
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;
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; NOTE: The last offset in this table must be less than $80 [for Offset(A2,D2)].
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; This table only used for statically-assigned sockets (45)
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;-----------=-----------=-------------------------------=---------------------------------------
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DDPTblSz EQU SASs ; Size of socket table (even!)
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SocketNum EQU LAPTblEnd ; Socket number in socket table
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SktLstnr EQU SocketNum+DDPTblSz ; Socket listener addr
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EPBufPtr EQU SktLstnr+(4*DDPTblSz) ; Pointer to EP buffer
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;-----------=-----------=-------------------------------=---------------------------------------
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; The following is the DAS socket table. There is one longword for each
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; potentially opened DAS, FirstDAS thru MaxBigSkt, indicating the socket
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; listener address, or zero if the socket hasn't been opened.
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;-----------=-----------=-------------------------------=---------------------------------------
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FirstDAS EQU DDPMaxWKS+1 ; First DAS socket number
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MaxBigSkt EQU $FE ; Largest socket in table
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BigSktListen EQU EPBufPtr+4 ; Start of DAS table
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DDPTblEnd EQU BigSktListen+(4*(MaxBigSkt-DDPMaxWKS)) ; End of DAS table
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;-----------=-----------=-------------------------------=---------------------------------------
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; VBL variables - the following are used in the VBL task
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;-----------=-----------=-------------------------------=---------------------------------------
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VBLQEl EQU DDPTblEnd ; A VBL queue element
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VBL20 EQU 20 ; Call VBL task every 20 ticks
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BrTimeVal EQU 150 ; Age-out for A_BRIDGE (= 50 seconds)
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;-----------=-----------=-------------------------------=---------------------------------------
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; Code resource variables - the following are used for loading and
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; calling the code resources (non-resident NBP code and lookup-reply code)
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;-----------=-----------=-------------------------------=---------------------------------------
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NRPtr EQU VBLQEl+14 ; Ptr to non-resident code (and flag)
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LookupPtr EQU NRPtr+4 ; Pointer to lookup-reply code (and flag)
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NRVars EQU LookupPtr+4 ; Pointer to NR local variables
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JDDPWrite EQU NRVars+4 ; Address of DDPWrite routine
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NTQueueHd EQU JDDPWrite+4 ; Names Table Queue Head
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LUQElPtr EQU NTQueueHd+4 ; Ptr to lookup queue element/buffer
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SelfSend EQU LUQElPtr+4 ; Whether to send packet to self
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MPPVarsEnd EQU SelfSend+2 ; End of MPP vars (*** more in LAPvars.a ***)
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;
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; Definitions for NBP code resources
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;
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NBPCodeType EQU 'NBPC' ; Type code for NBP code resource
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NBPNRCode EQU 1 ; ID for NBP non-resident code
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NBPLookup EQU 2 ; ID for lookup-reply code
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EJECT
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;
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; The lookup-reply code uses a combination queue element and buffer for
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; reading in LkUp requests, queueing a LookupReply command to itself, and
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; writing out a response through DDP. The LkUp request is read into the
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; queue element starting at CSParam, and the data structures for DDPWrite
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; are then built on top of it. This queue element/buffer's size is:
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;
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LUQElSize EQU CSParam+NBPTuple+ArgBlkSz+2+(WDSEntrySz*(TupleMax+2))+2
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;
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; external bits
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;
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NoNetNotify EQU 28 ; = 1 to supress 'Bad Net' NM message
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;
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; internal bits
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;
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; ***** WARNING - The ExtendedBit MUST remain at bit 15 *****
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;
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ExtendedBit EQU 15 ; = 1 iff this port is extended AppleTalk
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SeedPortBit EQU 14 ; = 1 iff this port is a router AND a seed port
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UserMPPBit EQU 13 ; = 1 iff this is default (user port) .MPP, i.e. refNum -10
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MPPOpenBit EQU 11 ; = 1 iff .MPP has opened successfully
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CloseATPBit EQU 10 ; = 1 iff .ATP is being closed by .MPP
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ATPOpenBit EQU 9 ; = 1 iff .ATP has opened successfully
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UseBuiltIn EQU 8 ; = 1 when using built-in AppleTalk
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ioMixMask EQU (1<<SrvAdrBit)+(1<<RouterBit)+(1<<NoZoneNotify)
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;-----------=-----------=-------------------------------=---------------------------------------
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; *** End VARDEFS.TEXT ***
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