@ GNU AS assembler header file for Scale
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:50:29 2012
@ Jonathan Coxhead, jonathan@doves.demon.co.uk, 5 Sept 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 Scale_Hdr
#  define Scale_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_Toolbox
#    define Get_Toolbox
#    include "oslib/Toolbox.Hdr"
#  endif

#  ifndef Get_Window
#    define Get_Window
#    include "oslib/Window.Hdr"
#  endif

@Symbols for constants
#  define Class_Scale 0x82c00
#  define Scale_GenerateAboutToBeShown 0x1
#  define Scale_GenerateDialogueCompleted 0x2
#  define Scale_IncludeScaleToFit 0x4
#  define Scale_Percent 0x82c000
#  define Scale_StdValue0 0x82c001
#  define Scale_StdValue1 0x82c002
#  define Scale_StdValue2 0x82c003
#  define Scale_StdValue3 0x82c004
#  define Scale_Cancel 0x82c005
#  define Scale_Scale 0x82c006
#  define Scale_PercentLabel 0x82c007
#  define Scale_ScaleLabel 0x82c008
#  define Scale_ScaleToFit 0x82c009
#  define Action_ScaleAboutToBeShown 0x82c00
#  define Action_ScaleDialogueCompleted 0x82c01
#  define Action_ScaleApplyFactor 0x82c02
#  define Error_ScaleTasksActive 0x80b700
#  define Error_ScaleAllocFailed 0x80b701
#  define Error_ScaleShortBuffer 0x80b702
#  define Error_ScaleNoSuchTask 0x80b711
#  define Error_ScaleNoSuchMethod 0x80b712
#  define Error_ScaleNoSuchMiscOpMethod 0x80b713
#  define Scale_SetLowerBound 0x1
#  define Scale_SetUpperBound 0x2
#  define Scale_SetStepSize 0x4

@Symbols for structure offsets and sizes
        .struct 0
        .skip   Bits
Scale_Flags                    : 

        .struct 0
Scale_Object_flags             : .skip   Scale_Flags
Scale_Object_lower_bound       : .skip   Int
Scale_Object_upper_bound       : .skip   Int
Scale_Object_step_size         : .skip   Int
Scale_Object_title             : .skip   Toolbox_MsgReference
Scale_Object_title_limit       : .skip   Int
Scale_Object_alternative_window_name: .skip   Toolbox_StringReference
Scale_Object_std_value         : .skip   4*Int
Scale_Object                   : 

        .struct 0
        Toolbox_ResourceFileObject_MEMBERS Scale_ObjectTemplate
Scale_ObjectTemplate_objectflags: .skip   Scale_Flags
Scale_ObjectTemplate_lower_bound: .skip   Int
Scale_ObjectTemplate_upper_bound: .skip   Int
Scale_ObjectTemplate_step_size : .skip   Int
Scale_ObjectTemplate_title     : .skip   Toolbox_MsgReference
Scale_ObjectTemplate_title_limit: .skip   Int
Scale_ObjectTemplate_alternative_window_name: .skip   Toolbox_StringReference
Scale_ObjectTemplate_std_value : .skip   4*Int
Scale_ObjectTemplate           : 

        .struct 0
        .skip   Toolbox_Full
Scale_Full                     : 

        .struct 0
Scale_ActionAboutToBeShown_tag : .skip   Toolbox_PositionTag
Scale_ActionAboutToBeShown_position: 
Scale_ActionAboutToBeShown_position_top_left: .skip   OS_Coord
        .struct Scale_ActionAboutToBeShown_position
Scale_ActionAboutToBeShown_position_full: .skip   Scale_Full
Scale_ActionAboutToBeShown     : 

        .struct 0
Scale_ActionApplyFactor_percent: .skip   Int
Scale_ActionApplyFactor        : 

        .struct 0
        Toolbox_ActionHeader_MEMBERS Scale_ActionAboutToBeShownBlock
Scale_ActionAboutToBeShownBlock_tag: .skip   Toolbox_PositionTag
Scale_ActionAboutToBeShownBlock_position: 
Scale_ActionAboutToBeShownBlock_position_top_left: .skip   OS_Coord
        .struct Scale_ActionAboutToBeShownBlock_position
Scale_ActionAboutToBeShownBlock_position_full: .skip   Scale_Full
Scale_ActionAboutToBeShownBlock: 

        .struct 0
        .skip   Toolbox_ActionHeaderBase
Scale_ActionDialogueCompletedBlock: 

        .struct 0
        Toolbox_ActionHeader_MEMBERS Scale_ActionApplyFactorBlock
Scale_ActionApplyFactorBlock_percent: .skip   Int
Scale_ActionApplyFactorBlock   : 


@Symbols for SWI's and SWI reason codes
.set XScale_ClassSWI,0xa2c00
.set Scale_ClassSWI,0x82c00

.set XScale_PostFilter,0xa2c01
.set Scale_PostFilter,0x82c01

.set XScale_PreFilter,0xa2c02
.set Scale_PreFilter,0x82c02

#  define Scale_GetWindowID 0x0
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &0
   @Exit
   @  R0 = window (Toolbox_O)

#  define Scale_SetValue 0x1
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &1
   @  R3 = value (Int)

#  define Scale_GetValue 0x2
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &2
   @Exit
   @  R0 = value (Int)

#  define Scale_SetBounds 0x3
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &3
   @  R3 = lower_bound (Int)
   @  R4 = upper_bound (Int)
   @  R5 = step_size (Int)

#  define Scale_GetBounds 0x4
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &4
   @Exit
   @  R0 = lower_bound (Int)
   @  R1 = upper_bound (Int)
   @  R2 = step_size (Int)

#  define Scale_SetTitle 0x5
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &5
   @  R3 -> title (String)

#  define Scale_GetTitle 0x6
   @Entry
   @  R0 = flags (Bits)
   @  R1 = scale (Toolbox_O)
   @  R2 = &6
   @  R3 = buffer (pointer to String)
   @  R4 = size (Int)
   @Exit
   @  R3 = used (Int)

#endif
