; Assembler header file for Freeway
; Written by DefMod (Dec  9 2012) on Sun Dec  9 15:43:44 2012
; Jonathan Coxhead, jonathan@doves.demon.co.uk, 5 June 1995

; OSLib---efficient, type-safe, transparent, extensible,
; register-safe API coverage of RISC OS
; 
; Copyright (c) 1994-2012 Jonathan Coxhead and OSLib maintainers
; 
; Licence:
; 
;    OSLib is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 1, or (at your option)
; any later version - and this with the following clarification and
; special exception:
; 
;    Linking this library statically or dynamically with other modules
; is making a combined work based on this library. Thus, the terms
; and conditions of the GNU General Public License cover the whole
; combination.
; 
;    As a special exception, the copyright holders of this library
; give you permission to link this library with independent modules
; to produce an executable, regardless of the license terms of these
; independent modules, and to copy and distribute the resulting
; executable under terms of your choice, provided that you also meet,
; for each linked independent module, the terms and conditions of the
; license of that module. An independent module is a module which is
; not derived from or based on this library. If you modify this
; library, you may extend this exception to your version of the library,
; but you are not obliged to do so. If you do not wish to do so, delete
; this exception statement from your version.
; 
;    OSLib is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
; GNU General Public License for more details.
; 
;    You should have received a copy of the GNU General Public License
; along with this programme; if not, write to the Free Software
; Foundation, Inc, 675 Mass Ave, Cambridge, MA 02139, USA.

        [       :LNOT: :DEF: Freeway_Hdr
        GBLS    Freeway_Hdr

        [       :LNOT: :DEF: Get_Types
        GBLS    Get_Types
        ]
        [       :LNOT: :DEF: Types_Hdr
Get_Types                       SETS    "GET oslib/Types.Hdr"
        |
Get_Types                       SETS    ""
        ]
        $Get_Types

        [       :LNOT: :DEF: Get_OS
        GBLS    Get_OS
        ]
        [       :LNOT: :DEF: OS_Hdr
Get_OS                          SETS    "GET oslib/OS.Hdr"
        |
Get_OS                          SETS    ""
        ]
        $Get_OS

;Symbols for constants
Freeway_TypeDisc                *       &1
Freeway_TypePrinter             *       &2
Freeway_TypeHost                *       &5
Freeway_InterestRegister        *       &0
Freeway_InterestDeregister      *       &1
Freeway_InterestUnauthenticated *       &0
Freeway_InterestAuthenticated   *       &2
Freeway_ObjectAdd               *       &0
Freeway_ObjectRemove            *       &1
Freeway_ObjectUnauthenticated   *       &0
Freeway_ObjectAuthenticated     *       &2
Freeway_ReadGivenAuthentication *       &1
Freeway_NoMore                  *       -1
Freeway_EnumerateAuthenticated  *       &1
Freeway_ObjectAdded             *       &0
Freeway_ObjectRemoved           *       &1
Freeway_ObjectChanged           *       &2
Freeway_ObjectDeleted           *       &3

;Symbols for structure offsets and sizes
        ^       0
        #       Int
Freeway_ObjectType              *       @

        ^       0
        #       Bits
Freeway_InterestFlags           *       @

        ^       0
        #       Bits
Freeway_ObjectFlags             *       @

        ^       0
        #       Bits
Freeway_ReadFlags               *       @

        ^       0
        #       Bits
Freeway_EnumerateFlags          *       @

        ^       0
        #       Bits
Freeway_StartingFlags           *       @

        ^       0
        #       Bits
Freeway_TerminatingFlags        *       @

        ^       0
        #       Int
Freeway_UpcallReason            *       @


;Symbols for SWI's and SWI reason codes
XFreeway_Register               *       &67A80
Freeway_Register                *       &47A80
   ;Entry
   ;  R0 = flags (Freeway_InterestFlags)
   ;  R1 = type (Freeway_ObjectType)
   ;  R2 = authentication (Int)

XFreeway_Write                  *       &67A81
Freeway_Write                   *       &47A81
   ;Entry
   ;  R0 = flags (Freeway_ObjectFlags)
   ;  R1 = type (Freeway_ObjectType)
   ;  R2 -> obj_name (String)
   ;  R3 = size (Int)
   ;  R4 -> desc (String)
   ;  R5 = authentication (Int)

XFreeway_Read                   *       &67A82
Freeway_Read                    *       &47A82
   ;Entry
   ;  R0 = flags (Freeway_ReadFlags)
   ;  R1 = type (Freeway_ObjectType)
   ;  R2 -> obj_name (String)
   ;  R3 = size (Int)
   ;  R4 = desc (pointer to String)
   ;  R5 = authentication (Int)
   ;Exit
   ;  R3 = size_out (Int)
   ;  R5 = ip_addr (Bits)

XFreeway_Enumerate              *       &67A83
Freeway_Enumerate               *       &47A83
   ;Entry
   ;  R0 = flags (Freeway_EnumerateFlags)
   ;  R1 = type (Freeway_ObjectType)
   ;  R2 = obj_name_size (Int)
   ;  R3 = obj_name (pointer to String)
   ;  R4 = desc_size (Int)
   ;  R5 = desc (pointer to String)
   ;  R6 = &0
   ;  R7 = context (Int)
   ;  R8 = authentication (Int)
   ;Exit
   ;  R2 = obj_name_size_out (Int)
   ;  R4 = desc_size_out (Int)
   ;  R6 = ip_addr (Bits)
   ;  R7 = context_out (Int)

Service_FreewayStarting         *       &95
   ;Entry
   ;  R1 = &95
   ;  R2 = flags (Freeway_StartingFlags)

Service_FreewayTerminating      *       &96
   ;Entry
   ;  R1 = &96
   ;  R2 = flags (Freeway_TerminatingFlags)

UpCall_Freeway                  *       &C
   ;Entry
   ;  R0 = &C
   ;  R1 = reason (Freeway_UpcallReason)
   ;  R2 = type (Freeway_ObjectType)
   ;  R3 -> obj_name (String)
   ;  R4 = desc_size (Int)
   ;  R5 -> desc (String)
   ;  R6 = ip_addr (Bits)

        ]
        END
