; Assembler header file for OSArgs
; Written by DefMod (Dec  9 2012) on Sun Dec  9 15:43:44 2012
; Jonathan Coxhead, jonathan@doves.demon.co.uk, 29 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: OSArgs_Hdr
        GBLS    OSArgs_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

        [       :LNOT: :DEF: Get_FileSwitch
        GBLS    Get_FileSwitch
        ]
        [       :LNOT: :DEF: FileSwitch_Hdr
Get_FileSwitch                  SETS    "GET oslib/FileSwitch.Hdr"
        |
Get_FileSwitch                  SETS    ""
        ]
        $Get_FileSwitch

;Symbols for constants
OSArgs_StreamInteractive        *       &8
OSArgs_StreamSupportsGBPB       *       &10
OSArgs_StreamDir                *       &20
OSArgs_StreamReadable           *       &40
OSArgs_StreamWritable           *       &80
OSArgs_StreamWritten            *       &100
OSArgs_StreamEOFErrorOnNextRead *       &200
OSArgs_StreamUnbuffered         *       &400
OSArgs_StreamUnallocated        *       &800
OSArgs_StreamCritical           *       &1000
OSArgs_StreamDataLost           *       &2000
OSArgs_StreamImageFileBusy      *       &4000
OSArgs_IOCtlReason              *       &FFFF
OSArgs_IOCtlReasonShift         *       0
OSArgs_IOCtlGroup               *       &FF0000
OSArgs_IOCtlGroupShift          *       16
OSArgs_IOCtlReadValue           *       &40000000
OSArgs_IOCtlWriteValue          *       &80000000
OSArgs_IOCtlBaudRate            *       &1
OSArgs_IOCtlDataFormat          *       &2
OSArgs_IOCtlHandshaking         *       &3
OSArgs_IOCtlBufferSize          *       &4
OSArgs_IOCtlBufferThresholds    *       &5
OSArgs_IOCtlControlLines        *       &6
OSArgs_IOCtlFIFOTriggerLevel    *       &7
OSArgs_IOCtlSupportedBaudRateCount *       &8
OSArgs_IOCtlSupportedBaudRate   *       &9

;Symbols for structure offsets and sizes
        ^       0
        #       Bits
OSArgs_StreamStatus             *       @

        ^       0
        #       Bits
OSArgs_IOCtlOperation           *       @

        ^       0
OSArgs_IOCtlParameters_operation #       OSArgs_IOCtlOperation
OSArgs_IOCtlParameters_value    #       Int
OSArgs_IOCtlParameters          *       @


;Symbols for SWI's and SWI reason codes
XOS_Args                        *       &20009
OS_Args                         *       &9

OSArgs_ReadPtr                  *       &0
   ;Entry
   ;  R0 = &0
   ;  R1 = file (OS_F)
   ;Exit
   ;  R2 = ptr (Int)

OSArgs_ReadPtrW                 *       &0
   ;Entry
   ;  R0 = &0
   ;  R1 = file (OS_FW)
   ;Exit
   ;  R2 = ptr (Int)

OSArgs_ReadTemporaryFS          *       &0
   ;Entry
   ;  R0 = &0
   ;  R1 = &0
   ;Exit
   ;  R0 = temp_fs_no (FileSwitch_FSNo)

OSArgs_SetPtr                   *       &1
   ;Entry
   ;  R0 = &1
   ;  R1 = file (OS_F)
   ;  R2 = ptr (Int)

OSArgs_SetPtrW                  *       &1
   ;Entry
   ;  R0 = &1
   ;  R1 = file (OS_FW)
   ;  R2 = ptr (Int)

OSArgs_ReadExt                  *       &2
   ;Entry
   ;  R0 = &2
   ;  R1 = file (OS_F)
   ;Exit
   ;  R2 = ext (Int)

OSArgs_ReadExtW                 *       &2
   ;Entry
   ;  R0 = &2
   ;  R1 = file (OS_FW)
   ;Exit
   ;  R2 = ext (Int)

OSArgs_SetExt                   *       &3
   ;Entry
   ;  R0 = &3
   ;  R1 = file (OS_F)
   ;  R2 = ext (Int)

OSArgs_SetExtW                  *       &3
   ;Entry
   ;  R0 = &3
   ;  R1 = file (OS_FW)
   ;  R2 = ext (Int)

OSArgs_ReadAllocation           *       &4
   ;Entry
   ;  R0 = &4
   ;  R1 = file (OS_F)
   ;Exit
   ;  R2 = allocation (Int)

OSArgs_ReadAllocationW          *       &4
   ;Entry
   ;  R0 = &4
   ;  R1 = file (OS_FW)
   ;Exit
   ;  R2 = allocation (Int)

OSArgs_ReadEOFStatus            *       &5
   ;Entry
   ;  R0 = &5
   ;  R1 = file (OS_F)
   ;Exit
   ;  R2 = eof_status (Bool)

OSArgs_ReadEOFStatusW           *       &5
   ;Entry
   ;  R0 = &5
   ;  R1 = file (OS_FW)
   ;Exit
   ;  R2 = eof_status (Bool)

OSArgs_SetAllocation            *       &6
   ;Entry
   ;  R0 = &6
   ;  R1 = file (OS_F)
   ;  R2 = allocation (Int)
   ;Exit
   ;  R2 = allocation_out (Int)

OSArgs_SetAllocationW           *       &6
   ;Entry
   ;  R0 = &6
   ;  R1 = file (OS_FW)
   ;  R2 = allocation (Int)
   ;Exit
   ;  R2 = allocation_out (Int)

OSArgs_ReadPath                 *       &7
   ;Entry
   ;  R0 = &7
   ;  R1 = file (OS_F)
   ;  R2 = buffer (pointer to String)
   ;  R5 = size (Int)
   ;Exit
   ;  R5 = spare (Int)

OSArgs_ReadPathW                *       &7
   ;Entry
   ;  R0 = &7
   ;  R1 = file (OS_FW)
   ;  R2 = buffer (pointer to String)
   ;  R5 = size (Int)
   ;Exit
   ;  R5 = spare (Int)

OSArgs_ImageStamped             *       &8
   ;Entry
   ;  R0 = &8
   ;  R1 = file (OS_F)
   ;  R2 = image_stamp (Int)

OSArgs_ImageStampedW            *       &8
   ;Entry
   ;  R0 = &8
   ;  R1 = file (OS_FW)
   ;  R2 = image_stamp (Int)

OSArgs_IOCtl                    *       &0
   ;Entry
   ;  R0 = &0
   ;  R1 = file (OS_F)
   ;  R2 = parameters (pointer to OSArgs_IOCtlParameters)

OSArgs_ReadInfo                 *       &FE
   ;Entry
   ;  R0 = &FE
   ;  R1 = file (OS_F)
   ;Exit
   ;  R0 = stream_status (OSArgs_StreamStatus)
   ;  R2 = fs_info (FileSwitch_FSInfo)

OSArgs_ReadInfoW                *       &FE
   ;Entry
   ;  R0 = &FE
   ;  R1 = file (OS_FW)
   ;Exit
   ;  R0 = stream_status (OSArgs_StreamStatus)
   ;  R2 = fs_info (FileSwitch_FSInfo)

OSArgs_Ensure                   *       &FF
   ;Entry
   ;  R0 = &FF
   ;  R1 = file (OS_F)

OSArgs_EnsureW                  *       &FF
   ;Entry
   ;  R0 = &FF
   ;  R1 = file (OS_FW)

ArgsV                           *       &9

        ]
        END
