@ GNU AS assembler header file for ResourceFS
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:44:51 2012
@ Jonathan Coxhead, jonathan@doves.demon.co.uk, 30 May 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.

#ifndef ResourceFS_Hdr
#  define ResourceFS_Hdr

#  ifndef Get_Types
#    define Get_Types
#    include "oslib/Types.Hdr"
#  endif

#  ifndef Get_OS
#    define Get_OS
#    include "oslib/OS.Hdr"
#  endif

#  ifndef Get_FileSwitch
#    define Get_FileSwitch
#    include "oslib/FileSwitch.Hdr"
#  endif

@Symbols for structure offsets and sizes
        .struct 0
ResourceFS_FileHeader_data_size: .skip   Int
ResourceFS_FileHeader_load_addr: .skip   Bits
ResourceFS_FileHeader_exec_addr: .skip   Bits
ResourceFS_FileHeader_size     : .skip   Int
ResourceFS_FileHeader_attr     : .skip   FileSwitch_Attr
ResourceFS_FileHeader_name     : .skip   Char
ResourceFS_FileHeader          : 
        
        .altmacro
        .macro  ResourceFS_FileHeader_MEMBERS label
\label&_data_size              : .skip   Int
\label&_load_addr              : .skip   Bits
\label&_exec_addr              : .skip   Bits
\label&_size                   : .skip   Int
\label&_attr                   : .skip   FileSwitch_Attr
        .endm
        
        .struct 0
        ResourceFS_FileHeader_MEMBERS ResourceFS_FileHeaderBase
ResourceFS_FileHeaderBase      : 

        .struct 0
ResourceFS_FileData_size       : .skip   Int
ResourceFS_FileData_data       : .skip   Byte
ResourceFS_FileData            : 
        
        .altmacro
        .macro  ResourceFS_FileData_MEMBERS label
\label&_size                   : .skip   Int
        .endm
        
        .struct 0
        ResourceFS_FileData_MEMBERS ResourceFS_FileDataBase
ResourceFS_FileDataBase        : 

        .struct 0
ResourceFS_File_header         : .skip   ResourceFS_FileHeader
ResourceFS_File_data           : .skip   ResourceFS_FileData
ResourceFS_File                : 

        .struct 0
ResourceFS_FileList_file       : .skip   ResourceFS_File
ResourceFS_FileList            : 


@Symbols for SWI's and SWI reason codes
.set XResourceFS_RegisterFiles,0x61b40
.set ResourceFS_RegisterFiles,0x41b40
   @Entry
   @  R0 -> file_list (ResourceFS_FileList)
   @Exit
   @  R0 corrupted

.set XResourceFS_DeregisterFiles,0x61b41
.set ResourceFS_DeregisterFiles,0x41b41
   @Entry
   @  R0 -> file_list (ResourceFS_FileList)
   @Exit
   @  R0 corrupted

#  define Service_ResourceFSStarted 0x59
   @Entry
   @  R1 = &59

#  define Service_ResourceFSDying 0x5a
   @Entry
   @  R1 = &5A

#  define Service_ResourceFSStarting 0x60
   @Entry
   @  R1 = &60
   @  R2 = register_files (pointer to code)
   @  R3 = workspace (pointer to Void)

#endif
