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