Overview of chapters

• Volume 1: About this manual
• Volume 1: Chapter 1: An introduction to RISC OS
• Volume 1: Chapter 2: ARM Hardware
• Volume 1: Chapter 3: An introduction to SWIs
• Volume 1: Chapter 4: * Commands and the CLI
• Volume 1: Chapter 5: Generating and handling errors
• Volume 1: Chapter 6: OS_Byte
• Volume 1: Chapter 7: OS_Word
• Volume 1: Chapter 8: Software vectors
• Volume 1: Chapter 9: Hardware vectors
• Volume 1: Chapter 10: Interrupts and handling them
• Volume 1: Chapter 11: Events
• Volume 1: Chapter 12: Buffers
• Volume 1: Chapter 13: Communications within RISC OS
• Volume 1: Chapter 14: Modules
• Volume 1: Chapter 15: Program Environment
• Volume 1: Chapter 16: Memory Management
• Volume 1: Chapter 17: Time and Date
• Volume 1: Chapter 18: Conversions
• Volume 1: Chapter 19: Extension ROMs
• Volume 1: Chapter 20: Character Output
• Volume 1: Chapter 21: VDU Drivers
• Volume 1: Chapter 22: Sprites
• Volume 1: Chapter 23: Character Input
• Volume 1: Chapter 24: The CLI
• Volume 1: Chapter 25: The rest of the kernel
• Volume 2: Chapter 26: Introduction to filing systems
• Volume 2: Chapter 27: FileSwitch
• Volume 2: Chapter 28: FileCore
• Volume 2: Chapter 29: ADFS
• Volume 2: Chapter 30: RamFS
• Volume 2: Chapter 31: DOSFS
• Volume 2: Chapter 32: NetFS
• Volume 2: Chapter 32: PipeFS
• Volume 2: Chapter 33: NetPrint
• Volume 2: Chapter 35: ResourceFS
• Volume 2: Chapter 36: DeskFS
• Volume 2: Chapter 37: DeviceFS
• Volume 2: Chapter 38: Serial device
• Volume 2: Chapter 39: Parallel device
• Volume 2: Chapter 40: System devices
• Volume 2: Chapter 41: The Filer
• Volume 2: Chapter 42: Filer_Action and FilerSWIs
• Volume 2: Chapter 43: Free
• Volume 2: Chapter 44: Writing a filing system
• Volume 2: Chapter 45: Writing a FileCore module
• Volume 2: Chapter 46: Writing a device driver
• Volume 2: Chapter 47: Econet
• Volume 2: Chapter 48: File server protocol interface
• Volume 2: Chapter 48½: Printer server protocol interface
• Volume 2: Chapter 49: The Broadcast Loader
• Volume 2: Chapter 50: BBC Econet
• Volume 2: Chapter 51: Hourglass
• Volume 2: Chapter 52: NetStatus
• Volume 3: Chapter 53: The Window Manager
• Volume 3: Chapter 54: Pinboard
• Volume 3: Chapter 55: Drag A Sprite
• Volume 3: Chapter 56: The Filter Manager
• Volume 3: Chapter 57: The TaskManager module
• Volume 3: Chapter 58: TaskWindow
• Volume 3: Chapter 59: ShellCLI
• Volume 3: Chapter 60: ColourTrans
• Volume 3: Chapter 61: The Font Manager
• Volume 3: Chapter 62: SuperSample module
• Volume 3: Chapter 63: Draw module
• Volume 3: Chapter 64: Printer Drivers
• Volume 3: Chapter 65: Printers Dumper
• Volume 3: Chapter 66: PDumperSupport
• Volume 3: Chapter 67: Printer definition files
• Volume 3: Chapter 68: MakePSFont
• Volume 3: Chapter 69: MessageTrans
• Volume 3: Chapter 70: International module
• Volume 3: Chapter 71: The Territory Manager
• Volume 4: Chapter 72: The Sound system
• Volume 4: Chapter 73: WaveSynth
• Volume 4: Chapter 74: The Buffer Manager
• Volume 4: Chapter 75: Squash
• Volume 4: Chapter 76: ScreenBlank
• Volume 4: Chapter 77: Expansion Cards and Extension ROMs
• Volume 4: Chapter 78: Floating point emulator
• Volume 4: Chapter 79: ARM3 Support
• Volume 4: Chapter 80: The Portable module
• Volume 4: Chapter 81: Joystick module
• Volume 4: Chapter 82: Debugger
• Volume 4: Chapter 83: The shared C library
• Volume 4: Chapter 84: BASIC and BASICTrans
• Volume 4: Chapter 85: Command scripts
• Volume 4: Chapter 86: Appendix A: ARM assembler
• Volume 4: Chapter 87: Appendix B: Warnings on the use of ARM assembler
• Volume 4: Chapter 88: Appendix C: ARM procedure call standard
• Volume 4: Chapter 89: Appendix D: Code file formats
• Volume 4: Chapter 90: Appendix E: File formats
• Volume 4: Chapter 91: Appendix F: System variables
• Volume 4: Chapter 92: Appendix G: The Acorn Terminal Interface Protocol
• Volume 4: Chapter 93: Appendix H: Registering names
• Volume 4: Chapter 94: Table A: VDU codes
• Volume 4: Chapter 95: Table B: Modes
• Volume 4: Chapter 96: Table C: File types
• Volume 4: Chapter 97: Table D: Character sets
• Volume 4: Chapter 141: Appendix D: Deprecated calls
• Volume 5a: Chapter 98: Introduction to RISC OS 3.5 and RISC OS 3.6
• Volume 5a: Chapter 99: ARM hardware
• Volume 5a: Chapter 100: Hardware vectors
• Volume 5a: Chapter 101: Interrupts
• Volume 5a: Chapter 102: Modules
• Volume 5a: Chapter 103: Memory management
• Volume 5a: Chapter 104: CMOS RAM allocation
• Volume 5a: Chapter 105: DMA
• Volume 5a: Chapter 106: Video
• Volume 5a: Chapter 107: JPEG images
• Volume 5a: Chapter 108: Miscellaneous kernel items
• Volume 5a: Chapter 109: FileSwitch
• Volume 5a: Chapter 110: FileCore
• Volume 5a: Chapter 111: ADFS
• Volume 5a: Chapter 112: DOSFS
• Volume 5a: Chapter 113: CDs and CD-ROMs
• Volume 5a: Chapter 114: NetPrint
• Volume 5a: Chapter 115: Parallel and serial device drivers
• Volume 5a: Chapter 116: Keyboard and mouse
• Volume 5a: Chapter 117: Filing system locking and resets
• Volume 5a: Chapter 118: Free
• Volume 5a: Chapter 119: Writing a filing system
• Volume 5a: Chapter 120: Writing a FileCore mnodule
• Volume 5a: Chapter 121: Econet
• Volume 5a: Chapter 122: AUN
• Volume 5a: Chapter 123: The Internet module
• Volume 5a: Chapter 124: Acorn Access
• Volume 5a: Chapter 125: The desktop
• Volume 5a: Chapter 126: Drag An Object
• Volume 5a: Chapter 127: Draw file renderer
• Volume 5a: Chapter 128: RISC OS boot applications
• Volume 5a: Chapter 129: The colour picker
• Volume 5a: Chapter 130: Printing
• Volume 5a: Chapter 131: Internationalisation
• Volume 5a: Chapter 132: Sound
• Volume 5a: Chapter 133: CompressJPEG
• Volume 5a: Chapter 134: Expansion card support
• Volume 5a: Chapter 135: Joystick module
• Volume 5a: Chapter 136: Monitor power saving
• Volume 5a: Chapter 137: The Toolbox modules
• Volume 5a: Chapter 138: Appendix A: Warnings on the use of ARM assembler
• Volume 5a: Chapter 139: Appendix B: File formats
• Volume 5a: Chapter 140: Appendix C: Errata and omissions for RISC OS 3 PRM
• RISC OS 3 Programmer's Reference Manual: Index
• Copyright

Volume 1: About this manual

• About this manual
  • Summary of contents
  • Conventions used
  • Finding out more
    • Reader comments

Volume 1: Chapter 1: An introduction to RISC OS

• An introduction to RISC OS
  • Introduction
  • Structure
  • Facilities
  • Altering and extending RISC OS
  • How RISC OS is written
  • How RISC OS is supplied
  • The history of RISC OS

Volume 1: Chapter 2: ARM Hardware

• ARM Hardware
  • Introduction
  • ARM chip set
  • The ARM processor
  • The VIDC chip
  • The IOC chip
  • The MEMC chip
  • Finding out more

Volume 1: Chapter 3: An introduction to SWIs

• An introduction to SWIs
  • Introduction
  • SWI numbers and names
  • Parameters and results
  • An example
  • Calling from Assembler
  • Calling from BBC BASIC
  • Calling from C
  • More about SWI numbers and names
  • Error handling - an introduction
  • SWI numbers in detail
  • Technical details
  • An example of documentation
  • OS_Write0 (SWI &02)
    • Important notes

Volume 1: Chapter 4: * Commands and the CLI

• * Commands and the CLI
  • Introduction
  • Command Line mode
  • OS_CLI and the CLI
  • * Commands v. SWIs
  • Documentation
  • An example of documentation
  • *Time
    • Using * Commands
    • Issuing * Commands from applications with command lines
    • Issuing * Commands from assembler
    • Issuing * Commands from BASIC
    • Issuing * Commands from C
    • Changing and adding * Commands

Volume 1: Chapter 5: Generating and handling errors

• Generating and handling errors
  • Introduction
  • Error handling
  • Error blocks
  • Error numbers
  • Technical details of error-generating SWIs
  • Generating errors
  • Writing system extension code
  • SWI Calls
  • OS_GenerateError (SWI &2B)
  • * Commands
  • *Error

Volume 1: Chapter 6: OS_Byte

• OS_Byte
  • Introduction
  • Parameters
  • Calling OS_Byte
  • Which call to use when
  • OS_Byte and interrupts
  • Adding OS_Byte calls
  • The *FX command
  • Calling *FX
  • SWI calls
  • OS_Byte (SWI &06)
  • * Commands
  • *FX

Volume 1: Chapter 7: OS_Word

• OS_Word
  • Introduction
  • Parameters
  • Calling OS_Word
  • OS_Word and * Commands
  • SWI calls
  • OS_Word (SWI &07)

Volume 1: Chapter 8: Software vectors

• Software vectors
  • Introduction
  • Claiming vectors
  • An example
  • Vector chains
  • When not to intercept a vector
  • Multiply installing the same routine
  • Desktop applications
  • SWI Calls
  • OS_Claim (SWI &1F)
  • OS_Release (SWI &20)
  • OS_CallAVector (SWI &34)
  • OS_AddToVector (SWI &47)
  • OS_DelinkApplication (SWI &4D)
  • OS_RelinkApplication (SWI &4E)
    • Use of registers
    • Processor modes
    • Returning errors
    • Returning from a vectored routine
    • List of software vectors
    • Summary of vectors
    • Vector descriptions
  • IrqV (Vector &02)
  • InsV (Vector &14)
  • RemV (Vector &15)
  • CnpV (Vector &16)
  • UKVDU23V (Vector &17)
  • UKSWIV (Vector &18)
  • UKPLOTV (Vector &19)
  • VDUXV (Vector &1B)
  • TickerV (Vector &1C)
  • DrawV (Vector &20)
  • EconetV (Vector &21)
  • ColourV (Vector &22)
  • PaletteV (Vector &23)
    • More complex uses of vectors
    • An example program
  • Application notes
    • Reading a palette entry
    • Writing a palette entry

Volume 1: Chapter 9: Hardware vectors

• Hardware vectors
  • Introduction
  • Reset vector
  • Hardware exception vectors
  • SWI vector
  • IRQ vector
  • FIQ vector
  • Claiming hardware vectors
  • Passing on calls to hardware vectors
  • Releasing hardware vectors
  • Vector priorities

Volume 1: Chapter 10: Interrupts and handling them

• Interrupts and handling them
  • Introduction
  • Device numbers
  • Device vectors
  • IRQUtils
  • SWI Calls
  • OS_ClaimDeviceVector (SWI &4B)
  • OS_ReleaseDeviceVector (SWI &4C)
    • Technical details
    • How a device driver is called
    • Device driver routines
    • Restrictions
    • Error handling
    • Re-entrancy
    • Clearing interrupt conditions
    • Fast interrupt requests
    • Disabling interrupts
  • Service Calls
  • Service_ReleaseFIQ (Service Call &0B)
  • Service_ClaimFIQ (Service Call &0C)
  • Service_ClaimFIQinBackground (Service Call &47)
  • SWI Calls
  • OS_IntOn (SWI &13)
  • OS_IntOff (SWI &14)
  • OS_EnterOS (SWI &16)
    • Hardware addresses

Volume 1: Chapter 11: Events

• Events
  • Introduction
  • Enabling and disabling events
  • Using events
  • SWI Calls
  • OS_Byte 13 (SWI &06)
  • OS_Byte 14 (SWI &06)
  • OS_GenerateEvent (SWI &22)
    • Details of events

Volume 1: Chapter 12: Buffers

• Buffers
  • Introduction
  • The buffer manager
  • Filing system buffers
  • Use of buffers
  • Details of buffers
  • OS_Byte calls provided
  • Changing buffer sizes
  • SWI calls
  • OS_Byte 15 (SWI &06)
  • OS_Byte 21 (SWI &06)
  • OS_Byte 128 (SWI &06)
  • OS_Byte 138 (SWI &06)
  • OS_Byte 145 (SWI &06)
  • OS_Byte 152 (SWI &06)
  • OS_Byte 153 (SWI &06)

Volume 1: Chapter 13: Communications within RISC OS

• Communications within RISC OS
  • Introduction
  • Vectors
  • Service calls
  • Window manager SWIs
  • Call Backs
  • UpCalls
  • OS_UpCall (SWI &33)
  • OS_UpCall 1 and 2 (SWI &33)
  • OS_UpCall 3 (SWI &33)
    • OS_UpCall 4 (SWI &33)
    • OS_UpCall 6 (SWI &33)
    • OS_UpCall 7 (SWI &33)
    • OS_UpCall 8 (SWI &33)
    • OS_UpCall 9 (SWI &33)
    • OS_UpCall 10 (SWI &33)
    • OS_UpCall 11 (SWI &33)
    • OS_UpCall 256 (SWI &33)
    • OS_UpCall 257 (SWI &33)

Volume 1: Chapter 14: Modules

• Modules
  • Introduction
  • Overview
    • Using modules
    • Writing a module
  • Technical Details
    • Module initialisation
    • Using modules
    • Workspace
    • Errors in module code
    • Module header format
    • Service calls
  • Module entry points
    • Start code
    • Initialisation Code
    • Finalisation Code
    • Service call handler
    • Title string
    • Help string
    • Help and command keyword table
    • SWI chunk base number
    • SWI handler code
    • SWI decoding table
    • SWI decoding code
  • SWI Calls
  • OS_Byte 143 (SWI &06)
  • OS_Module (SWI &1E)
  • OS_Module 0 (SWI &1E)
  • OS_Module 1 (SWI &1E)
  • OS_Module 2 (SWI &1E)
  • OS_Module 3 (SWI &1E)
  • OS_Module 4 (SWI &1E)
  • OS_Module 5 (SWI &1E)
  • OS_Module 6 (SWI &1E)
  • OS_Module 7 (SWI &1E)
  • OS_Module 8 (SWI &1E)
  • OS_Module 9 (SWI &1E)
  • OS_Module 10 (SWI &1E)
  • OS_Module 11 (SWI &1E)
  • OS_Module 12 (SWI &1E)
  • OS_Module 13 (SWI &1E)
  • OS_Module 14 (SWI &1E)
  • OS_Module 15 (SWI &1E)
  • OS_Module 16 (SWI &1E)
  • OS_Module 17 (SWI &1E)
  • OS_Module 18 (SWI &1E)
  • OS_Module 19 (SWI &1E)
  • OS_Module 20 (SWI &1E)
  • Service Calls
  • OS_ServiceCall (SWI &30)
  • Service_UKCommand (Service Call &04)
  • Service_Error (Service Call &06)
  • Service_UKByte (Service Call &07)
  • Service_UKWord (Service Call &08)
  • Service_Help (Service Call &09)
  • Service_UKConfig (Service Call &28)
  • Service_UKStatus (Service Call &29)
  • Service_NewApplication (Service Call &2A)
  • Service_LookupFileType (Service Call &42)
  • Service_PostInit(Service Call &73)
  • Service_SyntaxError (Service Call &8C)
  • *Commands
  • *Modules
  • *RMClear
  • *RMEnsure
  • *RMFaster
  • *RMInsert
  • *RMKill
  • *RMLoad
  • *RMReInit
  • *RMRun
  • *RMTidy
  • *ROMModules
  • *Unplug

Volume 1: Chapter 15: Program Environment

• Program Environment
  • Introduction
  • Overview and Technical Details
    • Executing code
    • Ending a task
    • System variables
    • Miscellaneous environment features
  • Handlers
    • Details of Handlers
    • CallBacks in more detail
    • Currently active object pointer
    • Setting up and restoring the environment
  • SWI Calls
  • OS_Control (SWI &0F)
  • OS_GetEnv (SWI &10)
  • OS_Exit (SWI &11)
  • OS_SetEnv (SWI &12)
  • OS_CallBack (SWI &15)
  • OS_BreakPt (SWI &17)
  • OS_BreakCtrl (SWI &18)
  • OS_UnusedSWI (SWI &19)
  • OS_SetCallBack (SWI &1B)
  • OS_ReadVarVal (SWI &23)
  • OS_SetVarVal (SWI &24)
  • OS_ChangeEnvironment (SWI &40)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • OS_WriteEnv (SWI &48)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • OS_ExitAndDie (SWI &50)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • OS_AddCallBack (SWI &54)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • OS_ReadDefaultHandler (SWI &55)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • OS_RemoveCallBack (SWI &5F)
    • On entry
    • On exit
    • Interrupts
    • Processor Mode
    • Re-entrancy
    • Use
    • Related SWIs
    • Related vectors
  • * Commands
  • *Go
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Quit
    • Syntax
    • Parameters
    • Use
    • Related commands
    • Related SWIs
    • Related vectors
  • *Set
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *SetEval
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *SetMacro
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Show
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Unset
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • Application Notes
    • Reading a variable
    • Checking the value of a variable
    • Code variable
    • OS_AddCallBack
    • A CallBack handler

Volume 1: Chapter 16: Memory Management

• Memory Management
  • Introduction
  • Overview
    • Heap manager
    • MEMC control
    • Screen memory
    • Battery-backed CMOS RAM
  • Technical Details
    • Guidelines on using memory efficiently
    • Recovery from lack of memory
    • Avoiding permanent loss of memory
    • Avoiding memory wastage
    • Heap Manager
    • Logical memory map
    • Screen memory
    • Non-volatile memory (CMOS RAM)
  • Service Calls
  • Service_MemoryMoved (Service Call &4E)
  • Service_ValidateAddress (Service Call &6D)
  • SWI Calls
  • OS_Byte 161 (SWI &06)
  • OS_Byte 162 (SWI &06)
  • OS_UpdateMEMC (SWI &1A)
  • OS_Heap (SWI &1D)
  • OS_Heap 0 (SWI &1D)
  • OS_Heap 1 (SWI &1D)
  • OS_Heap 2 (SWI &1D)
  • OS_Heap 3 (SWI &1D)
  • OS_Heap 4 (SWI &1D)
  • OS_Heap 5 (SWI &1D)
  • OS_Heap 6 (SWI &1D)
  • OS_ChangeDynamicArea (SWI &2A)
  • OS_ValidateAddress (SWI &3A)
  • OS_ClaimScreenMemory (SWI &41)
  • OS_ReadRAMFsLimits (SWI &4A)
  • OS_ReadMemMapInfo (SWI &51)
  • OS_ReadMemMapEntries (SWI &52)
  • OS_SetMemMapEntries (SWI &53)
  • OS_ReadDynamicArea (SWI &5C)
  • OS_FindMemMapEntries (SWI &60)
  • *Commands
  • *Configure
  • *Configure PrinterBufferSize
  • *Configure RMASize
  • *Configure SystemSize
  • *Status

Volume 1: Chapter 17: Time and Date

• Time and Date
  • Introduction
  • Overview and Technical Details
    • Monotonic timer
    • System clock
    • Real-time
    • Timer events
    • Obsolete timers
  • SWI Calls
  • OS_Byte 176 (SWI &06)
  • OS_Byte 243 (SWI &06)
  • OS_Word 1 (SWI &07)
  • OS_Word 2 (SWI &07)
  • OS_Word 3 (SWI &07)
  • OS_Word 4 (SWI &07)
  • OS_Word 14,0 (SWI &07)
  • OS_Word 14,1 (SWI &07)
  • OS_Word 14,2 (SWI &07)
  • OS_Word 14,3 (SWI &07)
  • OS_Word 15,8 (SWI &07)
  • OS_Word 15,15 (SWI &07)
  • OS_Word 15,24 (SWI &07)
  • OS_CallAfter (SWI &3B)
  • OS_CallEvery (SWI &3C)
  • OS_RemoveTickerEvent (SWI &3D)
  • OS_ReadMonotonicTime (SWI &42)
  • OS_ConvertStandardDateAndTime (SWI &C0)
  • OS_ConvertDateAndTime (SWI &C1)
  • *Commands
  • *Time

Volume 1: Chapter 18: Conversions

• Conversions
  • Introduction
  • Overview and Technical Details
    • Numbers to strings
    • Strings to numbers
    • GS string operations
    • Evaluation operators
    • Parameter substitution
    • SWI number to/from string
    • Econet numbers
    • File size
  • SWI Calls
  • OS_ReadUnsigned (SWI &21)
  • OS_GSInit (SWI &25)
  • OS_GSRead (SWI &26)
  • OS_GSTrans (SWI &27)
  • OS_BinaryToDecimal (SWI &28)
  • OS_EvaluateExpression (SWI &2D)
  • OS_SWINumberToString (SWI &38)
  • OS_SWINumberFromString (SWI &39)
  • OS_SubstituteArgs (SWI &43)
  • OS_ReadArgs (SWI &49)
  • OS_ConvertNameNumber / (SWIs &D0 - E8)
  • OS_ConvertFixedNetStation (SWI &E9)
  • OS_ConvertNetStation (SWI &EA)
  • OS_ConvertFixedFileSize (SWI &EB)
  • OS_ConvertFileSize (SWI &EC)
  • *Commands
  • *Echo
  • *Eval
  • *If

Volume 1: Chapter 19: Extension ROMs

• Extension ROMs

Volume 1: Chapter 20: Character Output

• Character Output
  • Introduction
  • Overview
    • Device independence
    • Printer stream
    • Serial output device
    • Spool device
    • VDU device
  • Technical Details
    • Device independence
    • Printer stream
    • Serial device
    • Spool device
    • VDU device
  • SWI Calls
  • OS_WriteC (SWI &00)
  • OS_WriteS (SWI &01)
  • OS_Write0 (SWI &02)
  • OS_NewLine (SWI &03)
  • OS_Byte 3 (SWI &06)
  • OS_Byte 5 (SWI &06)
  • OS_Byte 6 (SWI &06)
  • OS_Byte 182 (SWI &06)
  • OS_Byte 199 (SWI &06)
  • OS_Byte 236 (SWI &06)
  • OS_Byte 245 (SWI &06)
  • OS_Byte 246 (SWI &06)
  • OS_PrettyPrint (SWI &44)
  • OS_PrintChar (SWI &5D)
  • OS_WriteN (SWI &46)
  • OS_WriteI (SWIs &100-1FF)
  • *Commands
  • *Configure Ignore
  • *Configure Print
  • *Ignore

Volume 1: Chapter 21: VDU Drivers

• VDU Drivers
  • Introduction
  • Overview
    • VDU commands
    • Modes
    • Text and graphics
    • Cursor editing
    • Colours
    • The palette
    • Tints
    • ECF patterns
    • Bell
    • Mouse and pointer
    • Screen configuration
    • Multiple banks
    • Writing to the screen
    • Reading from the screen
    • Information about the VDU
    • VDU extension vector
  • Technical Details
    • VDU commands
    • Screen modes
    • Screen configuration
    • Multiple bank modes
    • Colours
    • Palette
    • Flashing colour
    • ECF patterns
    • Bell
    • Cursors
    • Mouse and pointer
    • Getting information
    • Reading from the screen
    • Writing to the screen
  • VDU Calls
  • VDU 0
  • VDU 1
  • VDU 2
  • VDU 3
  • VDU 4
  • VDU 5
  • VDU 6
  • VDU 7
  • VDU 8
  • VDU 9
  • VDU 10
  • VDU 11
  • VDU 12
  • VDU 13
  • VDU 14
  • VDU 15
  • VDU 16
  • VDU 17
  • VDU 18
  • VDU 19
  • VDU 20
  • VDU 21
  • VDU 22
  • VDU 23
  • VDU 23,0
  • VDU 23,1
  • VDU 23,2-5
  • VDU 23,6
  • VDU 23,7
  • VDU 23,8
  • VDU 23,9
  • VDU 23,10
  • VDU 23,11
  • VDU 23,12-15
  • VDU 23,16
  • VDU 23,17,0-3
  • VDU 23,17,4
  • VDU 23,17,5
  • VDU 23,17,6
  • VDU 23,17,7
  • VDU 23,18-24
  • VDU 23,25-26
  • VDU 23,27
  • VDU 23,28-31
  • VDU 23,32-255
  • VDU 24
  • VDU 25
  • VDU 26
  • VDU 27
  • VDU 28
  • VDU 29
  • VDU 30
  • VDU 31
  • VDU 127
  • Service Calls
  • Service_ModeChange (Service Call &46)
  • Service_PreModeChange (Service Call &4D)
  • Service_ModeExtension (Service Call &50)
  • Service_ModeTranslation (Service Call &51)
  • Service_MonitorLeadTranslation (Service Call &76)
  • Service_ModeChanging (Service Call &89)
  • SWI Calls
  • OS_Byte 9 (SWI &06)
  • OS_Byte 10 (SWI &06)
  • OS_Byte 19 (SWI &06)
  • OS_Byte 20 (SWI &06)
  • OS_Byte 25 (SWI &06)
  • OS_Byte 106 (SWI &06)
  • OS_Byte 112 (SWI &06)
  • OS_Byte 113 (SWI &06)
  • OS_Byte 114 (SWI &06)
  • OS_Byte 117 (SWI &06)
  • OS_Byte 134 (SWI &06)
  • OS_Byte 135 (SWI &06)
  • OS_Byte 144 (SWI &06)
  • OS_Byte 160 (SWI &06)
  • OS_Byte 163 (SWI &06)
  • OS_Byte 165 (SWI &06)
  • OS_Byte 193 (SWI &06)
  • OS_Byte 194 (SWI &06)
  • OS_Byte 195 (SWI &06)
  • OS_Byte 211 (SWI &06)
  • OS_Byte 212 (SWI &06)
  • OS_Byte 213 (SWI &06)
  • OS_Byte 214 (SWI &06)
  • OS_Byte 217 (SWI &06)
  • OS_Byte 218 (SWI &06)
  • OS_Byte 250 (SWI &06)
  • OS_Byte 251 (SWI &06)
  • OS_Word 9 (SWI &07)
  • OS_Word 10 (SWI &07)
  • OS_Word 11 (SWI &07)
  • OS_Word 12 (SWI &07)
  • OS_Word 13 (SWI &07)
  • OS_Word 21,0 (SWI &07)
  • OS_Word 21,1 (SWI &07)
  • OS_Word 21,2 (SWI &07)
  • OS_Word 21,3 (SWI &07)
  • OS_Word 21,4 (SWI &07)
  • OS_Word 21,5 (SWI &07)
  • OS_Word 21,6 (SWI &07)
  • OS_Word 22 (SWI &07)
  • OS_Mouse (SWI &1C)
  • OS_ReadPalette (SWI &2F)
  • OS_ReadVduVariables (SWI &31)
  • OS_ReadPoint (SWI &32)
  • OS_ReadModeVariable (SWI &35)
  • OS_RemoveCursors (SWI &36)
  • OS_RestoreCursors (SWI &37)
  • OS_CheckModeValid (SWI &3F)
  • OS_Plot (SWI &45)
  • OS_SetECFOrigin (SWI &56)
  • OS_ReadSysInfo (SWI &58)
  • OS_ReadSysInfo 0 (SWI &58)
  • OS_ReadSysInfo 1 (SWI &58)
  • OS_ReadSysInfo 2 (SWI &58)
  • OS_ReadSysInfo 3 (SWI &58)
  • OS_ChangedBox (SWI &5A)
  • OS_SetColour (SWI &61)
  • *Commands
  • *Configure Loud
  • *Configure Mode
  • *Configure MonitorType
  • *Configure MouseStep
  • *Configure NoScroll
  • *Configure Quiet
  • *Configure ScreenSize
  • *Configure Scroll
  • *Configure Sync
  • *Configure TV
  • *Shadow
  • *TV
  • Application Notes
    • Examples of ECF pattern use

Volume 1: Chapter 22: Sprites

• Sprites
  • Introduction
  • Overview
    • File operations
    • Creating sprites
    • Sprite manipulation
    • Plotting a sprite
  • Technical Details
    • Format of a sprite area
    • Format of a sprite
    • Common parameters
    • Memory operations
    • File operations
    • Creating a sprite
    • Sprite manipulation
    • Plotting sprites
    • VDU commands
  • Service Calls
  • Service_SwitchingOutputToSprite (Service Call &72)
  • SWI Calls
  • OS_SpriteOp (SWI &2E)
  • OS_SpriteOp 2 (SWI &2E)
  • OS_SpriteOp 3 (SWI &2E)
  • OS_SpriteOp 8 (SWI &2E)
  • OS_SpriteOp 9 (SWI &2E)
  • OS_SpriteOp 10 (SWI &2E)
  • OS_SpriteOp 11 (SWI &2E)
  • OS_SpriteOp 12 (SWI &2E)
  • OS_SpriteOp 13 (SWI &2E)
  • OS_SpriteOp 14 (SWI &2E)
  • OS_SpriteOp 15 (SWI &2E)
  • OS_SpriteOp 16 (SWI &2E)
  • OS_SpriteOp 24 (SWI &2E)
  • OS_SpriteOp 25 (SWI &2E)
  • OS_SpriteOp 26 (SWI &2E)
  • OS_SpriteOp 27 (SWI &2E)
  • OS_SpriteOp 28 (SWI &2E)
  • OS_SpriteOp 29 (SWI &2E)
  • OS_SpriteOp 30 (SWI &2E)
  • OS_SpriteOp 31 (SWI &2E)
  • OS_SpriteOp 32 (SWI &2E)
  • OS_SpriteOp 33 (SWI &2E)
  • OS_SpriteOp 34 (SWI &2E)
  • OS_SpriteOp 35 (SWI &2E)
  • OS_SpriteOp 36 (SWI &2E)
  • OS_SpriteOp 37 (SWI &2E)
  • OS_SpriteOp 40 (SWI &2E)
  • OS_SpriteOp 41 (SWI &2E)
  • OS_SpriteOp 42 (SWI &2E)
  • OS_SpriteOp 43 (SWI &2E)
  • OS_SpriteOp 44 (SWI &2E)
  • OS_SpriteOp 45 (SWI &2E)
  • OS_SpriteOp 46 (SWI &2E)
  • OS_SpriteOp 47 (SWI &2E)
  • OS_SpriteOp 48 (SWI &2E)
  • OS_SpriteOp 49 (SWI &2E)
  • OS_SpriteOp 50 (SWI &2E)
  • OS_SpriteOp 51 (SWI &2E)
  • OS_SpriteOp 52 (SWI &2E)
  • OS_SpriteOp 53 (SWI &2E)
  • OS_SpriteOp 54 (SWI &2E)
  • OS_SpriteOp 55 and 56 (SWI &2E)
  • OS_SpriteOp 57 and 58 (SWI &2E)
  • OS_SpriteOp 60 (SWI &2E)
  • OS_SpriteOp 61 (SWI &2E)
  • OS_SpriteOp 62 (SWI &2E)
  • *Commands
  • *Configure SpriteSize
  • *SChoose
  • *SCopy
  • *ScreenLoad
  • *ScreenSave
  • *SDelete
  • *SFlipX
  • *SFlipY
  • *SGet
  • *SInfo
  • *SList
  • *SLoad
  • *SMerge
  • *SNew
  • *SRename
  • *SSave
  • Application notes
    • Using sprites with 256 entry palettes

Volume 1: Chapter 23: Character Input

• Character Input
  • Introduction
  • Overview
    • Streams
    • Keyboard
    • Reset, Break and Escape
    • Serial port
    • *Exec
  • Technical Details
    • Events
    • Streams
    • Keyboard
    • Reset, Break and Escape
    • Serial device
    • *Exec
    • Internal key numbers
  • Service Calls
  • Service_KeyHandler (Service Call &44)
  • SWI Calls
  • OS_ReadC (SWI &04)
  • OS_Byte 2 (SWI &06)
  • OS_Byte 4 (SWI &06)
  • OS_Byte 11 (SWI &06)
  • OS_Byte 12 (SWI &06)
  • OS_Byte 18 (SWI &06)
  • OS_Byte 118 (SWI &06)
  • OS_Byte 121 (SWI &06)
  • OS_Byte 122 (SWI &06)
  • OS_Byte 124 (SWI &06)
  • OS_Byte 125 (SWI &06)
  • OS_Byte 126 (SWI &06)
  • OS_Byte 129 (SWI &06)
  • OS_Byte 177 (SWI &06)
  • OS_Byte 196 (SWI &06)
  • OS_Byte 197 (SWI &06)
  • OS_Byte 198 (SWI &06)
  • OS_Byte 200 (SWI &06)
  • OS_Byte 201 (SWI &06)
  • OS_Byte 202 (SWI &06)
  • OS_Byte 216 (SWI &06)
  • OS_Byte 219 (SWI &06)
  • OS_Byte 220 (SWI &06)
  • OS_Bytes 221 - 228 (SWI &06)
  • OS_Byte 229 (SWI &06)
  • OS_Byte 230 (SWI &06)
  • OS_Byte 237 (SWI &06)
  • OS_Byte 238 (SWI &06)
  • OS_Byte 247 (SWI &06)
  • OS_Byte 253 (SWI &06)
  • OS_Byte 254 (SWI &06)
  • OS_Word 0 (SWI &07)
  • OS_ReadLine (SWI &0E)
  • OS_ReadEscapeState (SWI &2C)
  • OS_InstallKeyHandler (SWI &3E)
  • *Commands
  • *Configure Caps
  • *Configure Delay
  • *Configure NoCaps
  • *Configure Repeat
  • *Configure ShCaps
  • *Key

Volume 1: Chapter 24: The CLI

• The CLI
  • Introduction
  • Overview and Technical Details
    • CLI effects
    • Reading CLI parameters
  • SWI Calls
  • OS_CLI (SWI &05)
  • OS_ChangeRedirection (SWI &5E)
  • * Commands
  • *GOS

Volume 1: Chapter 25: The rest of the kernel

• The rest of the kernel
  • Introduction
  • SWI Calls
  • OS_Byte 0 (SWI &06)
  • OS_HeapSort (SWI &4F)
  • OS_Confirm (SWI &59)
  • OS_CRC (SWI &5B)
  • IIC_Control (SWI &240)
  • *Commands
  • *Configure Language
  • *Help

Volume 2: Chapter 26: Introduction to filing systems

• Introduction to filing systems
  • Filing systems
  • FileSwitch
  • FileCore
  • DeviceFS
  • Image filing systems
  • The Filer
  • Filer_Action
  • Filers
  • Summary

Volume 2: Chapter 27: FileSwitch

• FileSwitch
  • Introduction and Overview
    • Adding filing systems
  • Technical Details
    • Terminology
    • Filenames
    • Directories
    • Filing systems
    • Special fields
    • Current selections
    • System variables
    • File attributes
    • Addresses / File types and date stamps
    • Load-time and run-time system variables
    • File$Path and Run$Path
    • Using other path variables
    • System devices
    • Filing system numbers
    • Re-entrancy
    • FileSwitch and the kernel
    • Further calls
    • Support of calls
    • Protected files
  • Service Calls
  • Service_StartUpFS (Service Call &12)
  • Service_FSRedeclare (Service Call &40)
  • Service_CloseFile (Service Call &68)
  • SWI Calls
  • OS_Byte 127 (SWI &06)
  • OS_Byte 139 (SWI &06)
  • OS_Byte 255 (SWI &06)
  • OS_File (SWI &08)
  • OS_File 0 and 10 (SWI &08)
  • OS_File 1, 2, 3, 4, 9, and 18 (SWI &08)
  • OS_File 5, 13, 15 and 17 (SWI &08)
  • OS_File 6 (SWI &08)
  • OS_File 7 and 11 (SWI &08)
  • OS_File 8 (SWI &08)
  • OS_File 12, 14, 16 and 255 (SWI &08)
  • OS_File 19 (SWI &08)
  • OS_File 20, 21, 22 and 23 (SWI &08)
  • OS_File 24 (SWI &08)
  • OS_Args (SWI &09)
  • OS_Args 0 (SWI &09)
  • OS_Args 1 (SWI &09)
  • OS_Args 2 (SWI &09)
  • OS_Args 3 (SWI &09)
  • OS_Args 4 (SWI &09)
  • OS_Args 5 (SWI &09)
  • OS_Args 6 (SWI &09)
  • OS_Args 7 (SWI &09)
  • OS_Args 8 (SWI &09)
  • OS_Args 254 (SWI &09)
  • OS_Args 255 (SWI &09)
  • OS_BGet (SWI &0A)
  • OS_BPut (SWI &0B)
  • OS_GBPB (SWI &0C)
  • OS_GBPB 1 and 2 (SWI &0C)
  • OS_GBPB 3 and 4 (SWI &0C)
  • OS_GBPB 5, 6 and 7 (SWI &0C)
  • OS_GBPB 8 (SWI &0C)
  • OS_GBPB 9, 10, 11 and 12 (SWI &0C)
  • OS_Find (SWI &0D)
  • OS_Find 0 (SWI &0D)
  • OS_Find 64 to 255 (SWI &0D)
  • OS_FSControl (SWI &29)
  • OS_FSControl 0 (SWI &29)
  • OS_FSControl 1 (SWI &29)
  • OS_FSControl 2 (SWI &29)
  • OS_FSControl 4 (SWI &29)
  • OS_FSControl 5 (SWI &29)
  • OS_FSControl 6 (SWI &29)
  • OS_FSControl 7 (SWI &29)
  • OS_FSControl 8 (SWI &29)
  • OS_FSControl 9 (SWI &29)
  • OS_FSControl 10 (SWI &29)
  • OS_FSControl 11 (SWI &29)
  • OS_FSControl 12 (SWI &29)
  • OS_FSControl 13 (SWI &29)
  • OS_FSControl 14 (SWI &29)
  • OS_FSControl 15 (SWI &29)
  • OS_FSControl 16 (SWI &29)
  • OS_FSControl 17 (SWI &29)
  • OS_FSControl 18 (SWI &29)
  • OS_FSControl 19 (SWI &29)
  • OS_FSControl 20 (SWI &29)
  • OS_FSControl 21 (SWI &29)
  • OS_FSControl 22 (SWI &29)
  • OS_FSControl 23 (SWI &29)
  • OS_FSControl 24 (SWI &29)
  • OS_FSControl 25 (SWI &29)
  • OS_FSControl 26 (SWI &29)
  • OS_FSControl 27 (SWI &29)
  • OS_FSControl 28 (SWI &29)
  • OS_FSControl 30 (SWI &29)
  • OS_FSControl 31 (SWI &29)
  • OS_FSControl 32 (SWI &29)
  • OS_FSControl 33 (SWI &29)
  • OS_FSControl 35 (SWI &29)
  • OS_FSControl 36 (SWI &29)
  • OS_FSControl 37 (SWI &29)
  • OS_FSControl 38 (SWI &29)
  • OS_FSControl 39 (SWI &29)
  • OS_FSControl 40 (SWI &29)
  • OS_FSControl 41 (SWI &29)
  • OS_FSControl 42 (SWI &29)
  • OS_FSControl 43 (SWI &29)
  • OS_FSControl 44 (SWI &29)
  • OS_FSControl 45 (SWI &29)
  • OS_FSControl 46 (SWI &29)
  • OS_FSControl 47 (SWI &29)
  • OS_FSControl 48 (SWI &29)
  • OS_FSControl 49 (SWI &29)
  • OS_FSControl 50 (SWI &29)
  • OS_FSControl 51 (SWI &29)
  • OS_FSControl 52 (SWI &29)
  • OS_FSControl 53 (SWI &29)
  • OS_FSControl 54 (SWI &29)
  • * Commands
  • *Access
  • *Append
  • *Back
  • *Build
  • *Cat
  • *CDir
  • *Close
  • *Configure Boot
  • *Configure DumpFormat
  • *Configure FileSystem
  • *Configure NoBoot
  • *Configure Truncate
  • *Copy
  • *Count
  • *Create
  • *Defect
  • *Delete
  • *Dir
  • *Dump
  • *EnumDir
  • *Ex
  • *Exec
  • *FileInfo
  • *Info
  • *LCat
  • *LEx
  • *Lib
  • *List
  • *Load
  • *NoDir
  • *NoLib
  • *NoURD
  • *Opt 1
  • *Opt 4
  • *Print
  • *Remove
  • *Rename
  • *Run
  • *Save
  • *SetType
  • *Shut
  • *ShutDown
  • *Spool
  • *SpoolOn
  • *Stamp
  • *Type
  • *Up
  • *URD
  • *Wipe

Volume 2: Chapter 28: FileCore

• FileCore
  • Introduction
  • Overview
    • Similarities with FileSwitch
    • Adding a module to FileCore
  • Technical details
    • Disc formats
    • Maps
    • Disc addresses
    • Directories
    • Boot blocks
    • Data format
    • Disc identifiers
  • Service Calls
  • Service_IdentifyDisc (Service Call &69)
  • SWI Calls
  • FileCore_DiscOp (SWI &40540)
  • FileCore_Create (SWI &40541)
  • FileCore_Drives (SWI &40542)
  • FileCore_FreeSpace (SWI &40543)
  • FileCore_FloppyStructure (SWI &40544)
  • FileCore_DescribeDisc (SWI &40545)
  • FileCore_DiscardReadSectorsCache (SWI &40546)
  • FileCore_DiscFormat (SWI &40547)
  • FileCore_LayoutStructure (SWI &40548)
  • FileCore_MiscOp (SWI &40549)
  • FileCore_MiscOp 0 (SWI &40549)
  • FileCore_MiscOp 1 (SWI &40549)
  • FileCore_MiscOp 2 (SWI &40549)
  • FileCore_MiscOp 3 (SWI &40549)
  • FileCore_MiscOp 4 (SWI &40549)
  • FileCore_MiscOp 5 (SWI &40549)
  • * Commands
  • *Backup
  • *Bye
  • *CheckMap
  • *Compact
  • *Configure Dir
  • *Configure NoDir
  • *Dismount
  • *Drive
  • *Free
  • *Map
  • *Mount
  • *NameDisc
  • *Title
  • *Verify

Volume 2: Chapter 29: ADFS

• ADFS
  • Introduction
  • Overview
  • Technical details
    • Formats
    • Formatting discs
    • Software protection schemes
    • Disc Drives
    • Hardware Limits
    • Recommended formats
    • Floppy drive types supported by 710/711 driver
    • Drive interface signal description
    • Disc errors
  • Service Calls
  • Service_IdentifyFormat (Service Call &6B)
  • Service_DisplayFormatHelp (Service Call &6C)
  • SWI calls
  • ADFS_DiscOp (SWI &40240)
  • ADFS_HDC (SWI &40241)
  • ADFS_Drives (SWI &40242)
  • ADFS_FreeSpace (SWI &40243)
  • ADFS_Retries (SWI &40244)
  • ADFS_DescribeDisc (SWI &40245)
  • ADFS_VetFormat (SWI &40246)
  • ADFS_FlpProcessDCB (SWI &40247)
  • ADFS_ControllerType (SWI &40248)
  • ADFS_PowerControl (SWI &40249)
  • ADFS_SetIDEController (SWI &4024A)
  • ADFS_IDEUserOp (SWI &4024B)
  • ADFS_MiscOp (SWI &4024C)
  • ADFS_ECCSAndRetries (SWI &40250)
  • * Commands
  • *ADFS
  • *Configure ADFSbuffers
  • *Configure ADFSDirCache
  • *Configure Drive
  • *Configure Floppies
  • *Configure HardDiscs
  • *Configure IDEDiscs
  • *Configure Step
  • *Format

Volume 2: Chapter 30: RamFS

• RamFS
  • Introduction
  • Overview
  • SWI calls
  • RamFS_DiscOp (SWI &40780)
  • RamFS_Drives (SWI &40782)
  • RamFS_FreeSpace (SWI &40783)
  • RamFS_DescribeDisc (SWI &40785)
  • * Commands
  • *Configure RamFsSize
  • *Ram

Volume 2: Chapter 31: DOSFS

• DOSFS
  • Introduction
  • Overview
    • Components of an image filing system
    • Points to note
    • Writing image filing systems and host filing systems
  • Technical Details
    • The Image Handler
    • The Identifier
    • Disc cycle ids
    • The formatter
    • Summary of responsibilities
    • Filename mapping
    • Attribute mapping
    • SWI numbering
    • Warning: possible data corruption
  • SWI Calls
  • DOSFS_DiscFormat (SWI &44B00)
  • DOSFS_LayoutStructure (SWI &44B01)
  • * Commands
  • *CopyBoot
  • *DOSMap

Volume 2: Chapter 32: NetFS

• NetFS
  • Introduction
  • Overview
  • Technical Details
    • Naming
    • File server name binding
    • Timeouts
    • Direct access to file servers
    • Differences from FileCore based filing systems
  • Service Calls
  • Service_NetFS (Service Call &55)
  • Service_NetFSDying (Service Call &5F)
  • SWI calls
  • NetFS_ReadFSNumber (SWI &40040)
  • NetFS_SetFSNumber (SWI &40041)
  • NetFS_ReadFSName (SWI &40042)
  • NetFS_SetFSName (SWI &40043)
  • NetFS_ReadCurrentContext (SWI &40044)
  • NetFS_SetCurrentContext (SWI &40045)
  • NetFS_ReadFSTimeouts (SWI &40046)
  • NetFS_SetFSTimeouts (SWI &40047)
  • NetFS_DoFSOp (SWI &40048)
  • NetFS_EnumerateFSList (SWI &40049)
  • NetFS_EnumerateFS (SWI &4004A)
  • NetFS_ConvertDate (SWI &4004B)
  • NetFS_DoFSOpToGivenFS (SWI &4004C)
  • NetFS_UpdateFSList (SWI &4004D)
  • NetFS_EnumerateFSContexts (SWI &4004E)
  • NetFS_ReadUserId (SWI &4004F)
  • NetFS_GetObjectUID (SWI &40050)
  • NetFS_EnableCache (SWI &40051)
  • * Commands
  • *AddFS
  • *Bye
  • *Configure FS
  • *Configure Lib
  • *Free
  • *FS
  • *I am
  • *ListFS
  • *Logon
  • *Mount
  • *Net
  • *Pass
  • *SDisc
  • Example program

Volume 2: Chapter 32: PipeFS

• PipeFS
  • Introduction and Overview
  • * Commands
  • *PipeCopy

Volume 2: Chapter 33: NetPrint

• NetPrint
  • Introduction and Overview
  • Technical Details
    • Naming
    • Linking NetPrint to *FX 5 4 and VDU 2
    • Timeouts
  • SWI calls
  • NetPrint_ReadPSNumber (SWI &40200)
  • NetPrint_SetPSNumber (SWI &40201)
  • NetPrint_ReadPSName (SWI &40202)
  • NetPrint_SetPSName (SWI &40203)
  • NetPrint_ReadPSTimeouts (SWI &40204)
  • NetPrint_SetPSTimeouts (SWI &40205)
  • NetPrint_BindPSName (SWI &40206)
  • NetPrint_ListServers (SWI &40207)
  • NetPrint_ConvertStatusToString (SWI &40208)
  • * Commands
  • *Configure PS
  • *ListPS
  • *PS
  • *SetPS

Volume 2: Chapter 35: ResourceFS

• ResourceFS
  • Introduction and Overview
  • Technical Details
    • Directory structure
    • Path variables
    • Auto-starting applications
    • Internationalisation
    • Software interface
  • Service Calls
  • Service_ResourceFSStarted (Service Call &59)
  • Service_ResourceFSDying (Service Call &5A)
  • Service_ResourceFSStarting (Service Call &60)
  • SWI Calls
  • ResourceFS_RegisterFiles (SWI &41B40)
  • ResourceFS_DeregisterFiles (SWI &41B41)
  • * Commands
  • *ResourceFS

Volume 2: Chapter 36: DeskFS

• DeskFS
  • Introduction
  • * Commands
  • *DeskFS

Volume 2: Chapter 37: DeviceFS

• DeviceFS
  • Introduction and Overview
  • Technical Details
    • Special fields
  • Service Calls
  • Service_DeviceFSStarting (Service Call &70)
  • Service_DeviceFSDying (Service Call &71)
  • Service_DeviceDead (Service Call &79)
  • Service_DeviceFSCloseRequest (Service Call &81)
  • SWI Calls
  • DeviceFS_Register (SWI &42740)
  • DeviceFS_Deregister (SWI &42741)
  • DeviceFS_RegisterObjects (SWI &42742)
  • DeviceFS_DeregisterObjects (SWI &42743)
  • DeviceFS_CallDevice (SWI &42744)
  • DeviceFS_Threshold (SWI &42745)
  • DeviceFS_ReceivedCharacter (SWI &42746)
  • DeviceFS_TransmitCharacter (SWI &42747)

Volume 2: Chapter 38: Serial device

• Serial device
  • Technical details
    • Serial Device
    • Summary of commands
    • Serial buffers
    • Handshaking and protocol
    • Serial line names
  • SWI Calls
  • OS_Byte 7 (SWI &06)
  • OS_Byte 8 (SWI &06)
  • OS_Byte 156 (SWI &06)
  • OS_Byte 181 (SWI &06)
  • OS_Byte 191 (SWI &06)
  • OS_Byte 192 (SWI &06)
  • OS_Byte 203 (SWI &06)
  • OS_Byte 204 (SWI &06)
  • OS_Byte 242 (SWI &06)
  • OS_SerialOp (SWI &57)
  • OS_SerialOp 0 (SWI &57)
  • OS_SerialOp 1 (SWI &57)
  • OS_SerialOp 2 (SWI &57)
  • OS_SerialOp 3 (SWI &57)
  • OS_SerialOp 4 (SWI &57)
  • OS_SerialOp 5 (SWI &57)
  • OS_SerialOp 6 (SWI &57)
  • OS_SerialOp 7 (SWI &57)
  • OS_SerialOp 8 (SWI &57)
  • *Commands
  • *Configure Baud
  • *Configure Data

Volume 2: Chapter 39: Parallel device

• Parallel device
  • Introduction and Overview
  • SWI calls
  • Parallel_HardwareAddress (SWI &42EC0)
  • Parallel_Op (SWI &42EC1)
  • Parallel_Op 0 (SWI &42EC1)
  • Parallel_Op 1 (SWI &42EC1)
  • Parallel_Op 2 (SWI &42EC1)

Volume 2: Chapter 40: System devices

• System devices
  • System devices
  • Other devices
  • Redirection
  • Suppressing output using null:
  • Input devices
  • netprint:
  • printer:
  • Other output devices
  • The RISC OS 2 serial device

Volume 2: Chapter 41: The Filer

• The Filer
  • Introduction and Overview
  • Service Calls
  • Service_StartFiler (Service Call &4B)
    • On entry
    • On exit
    • Use
  • Service_StartedFiler (Service Call &4C)
  • Service_Reset (Service Call &27)
    • On entry
    • On exit
    • Use
  • Service_FilerDying (Service Call &4F)
    • On entry
    • On exit
    • Use
  • Service_EnumerateFormats (Service Call &6A)
    • On entry
    • On exit
    • Use
  • Service_DiscDismounted (Service Call &7D)
    • On entry
    • On exit
    • Use
  • * Commands
  • *Filer_Boot
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Filer_CloseDir
    • Syntax
    • Parameter
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Filer_OpenDir
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors
  • *Filer_Run
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors

Volume 2: Chapter 42: Filer_Action and FilerSWIs

• Filer_Action and FilerSWIs
  • Introduction and Overview
  • SWI calls
  • FilerAction_SendSelectedDirectory (SWI &40F80)
  • FilerAction_SendSelectedFile (SWI &40F81)
  • FilerAction_SendStartOperation (SWI &40F82)
  • * Commands
  • *Filer_Action

Volume 2: Chapter 43: Free

• Free
  • Introduction and Overview
  • SWI calls
  • Free_Register (SWI &444C0)
  • Free_DeRegister (SWI &444C1)
  • * Commands
  • *ShowFree

Volume 2: Chapter 44: Writing a filing system

• Writing a filing system
  • Writing your own filing system
  • Filing systems
  • Image filing systems
  • Filing system interfaces: introduction
    • Calling conventions
    • Using canonical names
  • Interfaces
    • FSEntry_Open and ImageEntry_Open
    • FSEntry_GetBytes (from a buffered file), and ImageEntry_GetBytes (all cases)
    • FSEntry_GetBytes (from an unbuffered file)
    • FSEntry_PutBytes (to a buffered file), and ImageEntry_PutBytes (all cases)
    • FSEntry_PutBytes (to an unbuffered file)
    • FSEntry_Args and ImageEntry_Args
    • FSEntry_Args 0
    • FSEntry_Args 1
    • FSEntry_Args 2
    • FSEntry_Args 3 and ImageEntry_Args 3
    • FSEntry_Args 4 and ImageEntry_Args 4
    • FSEntry_Args 5
    • FSEntry_Args 6 and ImageEntry_Args 6
    • FSEntry_Args 7 and ImageEntry_Args 7
    • FSEntry_Args 8 and ImageEntry_Args 8
    • FSEntry_Args 9 and ImageEntry_Args 9
    • FSEntry_Args 10
    • FSEntry_Close and ImageEntry_Close
    • FSEntry_File and ImageEntry_File
    • FSEntry_File 0 and ImageEntry_File 0
    • FSEntry_File 1 and ImageEntry_File 1
    • FSEntry_File 2
    • FSEntry_File 3
    • FSEntry_File 4
    • FSEntry_File 5 and ImageEntry_File 5
    • FSEntry_File 6 and ImageEntry_File 6
    • FSEntry_File 7 and ImageEntry_File 7
    • FSEntry_File 8 and ImageEntry_File 8
    • FSEntry_File 9
    • FSEntry_File 10 and ImageEntry_File 10
    • FSEntry_File 255
    • FSEntry_Func and ImageEntry_Func
    • FSEntry_Func 0
    • FSEntry_Func 1
    • FSEntry_Func 2
    • FSEntry_Func 3
    • FSEntry_Func 4
    • FSEntry_Func 5
    • FSEntry_Func 6
    • FSEntry_Func 7
    • FSEntry_Func 8 and ImageEntry_Func 8
    • FSEntry_Func 9
    • FSEntry_Func 10
    • FSEntry_Func 11
    • FSEntry_Func 12
    • FSEntry_Func 13
    • FSEntry_Func 14 and ImageEntry_Func 14
    • FSEntry_Func 15 and ImageEntry_Func 15
    • FSEntry_Func 16
    • FSEntry_Func 17
    • FSEntry_Func 18
    • FSEntry_Func 19
    • FSEntry_Func 20
    • ImageEntry_Func 21
    • ImageEntry_Func 22
    • FSEntry_Func 23
    • FSEntry_Func 24
    • FSEntry_Func 25 and ImageEntry_Func 25
    • FSEntry_Func 26 and ImageEntry_Func 26
    • FSEntry_Func 27 and ImageEntry_Func 27
    • FSEntry_Func 28 and ImageEntry_Func 28
    • FSEntry_Func 29 and ImageEntry_Func 29
    • FSEntry_Func 30 and ImageEntry_Func 30
    • FSEntry_Func 31 and ImageEntry_Func 31
    • FSEntry_Func 32 and ImageEntry_Func 32
    • FSEntry_Func 33 and ImageEntry_Func 33
    • FSEntry_Func 34
    • FSEntry_GBPB
    • FSEntry_GBPB 1 and 2
    • FSEntry_GBPB 3 and 4
  • Example program

Volume 2: Chapter 45: Writing a FileCore module

• Writing a FileCore module
  • Adding your own module to FileCore
  • Declaring your module
  • Selecting your filing system
  • Other * Commands
  • Implementing SWI calls
  • Removing your filing system
  • Returning errors
  • Module interfaces
  • Module interfaces
    • DiscOp entry
    • MiscOp entry

Volume 2: Chapter 46: Writing a device driver

• Writing a device driver
  • Adding your own device driver to DeviceFS
  • Registering your device driver
  • Deregistering your device driver
  • Device driver interfaces
    • Calling conventions
  • Interfaces
    • DeviceDriver_Entry
    • DeviceDriver_Entry 0
    • DeviceDriver_Entry 1
    • DeviceDriver_Entry 2
    • DeviceDriver_Entry 3
    • DeviceDriver_Entry 4
    • DeviceDriver_Entry 5
    • DeviceDriver_Entry 6 and 7
    • DeviceDriver_Entry 8
    • DeviceDriver_Entry 9
    • DeviceDriver_Entry 10
    • DeviceDriver_Entry 11

Volume 2: Chapter 47: Econet

• Econet
  • Introduction
  • Overview
  • Technical Details
    • Packets and frames
    • Receiving data and using RxCBs
    • Receiving data using a single SWI
    • Transmitting data and using TxCB's
    • Transmitting data using a single SWI
    • Converting a status to an error
    • Flag bytes
    • Port bytes
    • Econet events
    • Broadcast transmissions
    • Local loopback
    • Immediate operations
    • Protection against immediate operations
    • Reading your station and net numbers
    • Extracting station numbers from a string
    • Converting station and net to a string
    • Conventions and values
    • Transmission semantics
  • Service Calls
  • Service_ReAllocatePorts (Service Call &48)
  • Service_EconetDying (Service Call &56)
  • Service_ProtocolDying (Service Call &83)
  • Service_FindNetworkDriver (Service Call &84)
  • Service_NetworkDriverStatus (Service Call &8B)
  • SWI Calls
  • Econet_CreateReceive (SWI &40000)
  • Econet_ExamineReceive (SWI &40001)
  • Econet_ReadReceive (SWI &40002)
  • Econet_AbandonReceive (SWI &40003)
  • Econet_WaitForReception (SWI &40004)
  • Econet_EnumerateReceive (SWI &40005)
  • Econet_StartTransmit (SWI &40006)
  • Econet_PollTransmit (SWI &40007)
  • Econet_AbandonTransmit (SWI &40008)
  • Econet_DoTransmit (SWI &40009)
  • Econet_ReadLocalStationAndNet (SWI &4000A)
  • Econet_ConvertStatusToString (SWI &4000B)
  • Econet_ConvertStatusToError (SWI &4000C)
  • Econet_ReadProtection (SWI &4000D)
  • Econet_SetProtection (SWI &4000E)
  • Econet_ReadStationNumber (SWI &4000F)
  • Econet_PrintBanner (SWI &40010)
  • Econet_ReadTransportType (SWI &40011)
  • Econet_ReleasePort (SWI &40012)
  • Econet_AllocatePort (SWI &40013)
  • Econet_DeAllocatePort (SWI &40014)
  • Econet_ClaimPort (SWI &40015)
  • Econet_StartImmediate (SWI &40016)
  • Econet_DoImmediate (SWI &40017)
  • Econet_AbandonAndReadReceive (SWI &40018)
  • Econet_Version (SWI &40019)
  • Econet_NetworkState (SWI &4001A)
  • Econet_PacketSize (SWI &4001B)
  • Econet_ReadTransportName (SWI &4001C)
  • * Commands
  • Application notes

Volume 2: Chapter 48: File server protocol interface

• File server protocol interface
  • The user environment
  • Interfaces
  • Error messages

Volume 2: Chapter 48½: Printer server protocol interface

• Printer server protocol interface
  • NetPrint status protocol
  • NetPrint printing protocol
  • Port claiming

Volume 2: Chapter 49: The Broadcast Loader

• The Broadcast Loader
  • Introduction and Overview

Volume 2: Chapter 50: BBC Econet

• BBC Econet
  • Introduction and Overview
  • Technical details
    • Summary of calls
    • Implementation

Volume 2: Chapter 51: Hourglass

• Hourglass
  • Introduction and Overview
  • SWI Calls
  • Hourglass_On (SWI &406C0)
  • Hourglass_Off (SWI &406C1)
  • Hourglass_Smash (SWI &406C2)
  • Hourglass_Start (SWI &406C3)
  • Hourglass_Percentage (SWI &406C4)
  • Hourglass_LEDs (SWI &406C5)
  • Hourglass_Colours (SWI &406C6)
  • Example programs

Volume 2: Chapter 52: NetStatus

• NetStatus
  • Introduction and Overview
  • Technical Details

Volume 3: Chapter 53: The Window Manager

• The Window Manager
  • Introduction
  • Overview
  • Technical details
    • Polling
    • General principles
    • The Mouse
    • Layout of windows
    • Window system areas
    • Redrawing windows
    • Updating windows
    • Taking over the screen
    • The icon bar
    • Icons and sprites
    • RISC OS System Icons
    • Menus
    • Dialogue boxes
    • Tool windows and 'panes'
    • Keyboard input and text handling
    • Changing the pointer shape
    • Mode independence
    • Colour
    • System font handling
    • Dragging
    • Editors
    • Memory management
    • Template files
    • Application resource files
    • Shared resources
    • Relocatable module tasks
    • Errors
    • Error messages
    • Time
    • Wimp behaviour under RISC OS 3
    • Service Calls
  • Service Calls
  • Service_Memory (Service Call &11)
  • Service_Reset (Service Call &27)
  • Service_StartWimp (Service Call &49)
  • Service_StartedWimp (Service Call &4A)
  • Service_Reset (Service Call &27)
  • Service_MouseTrap (Service Call &52)
  • Service_WimpCloseDown (Service Call &53)
  • Service_WimpReportError (Service Call &57)
  • Service_WimpSaveDesktop (Service Call &5C)
  • Service_WimpPalette (Service Call &5D)
  • Service_DesktopWelcome (Service Call &7C)
  • Service_ShutDown (Service Call &7E)
  • Service_ShutdownComplete (Service Call &80)
  • Service_WimpSpritesMoved (Service Call &85)
  • Service_WimpRegisterFilters (Service Call &86)
  • SWI Calls
  • Wimp_Initialise (SWI &400C0)
  • Wimp_CreateWindow (SWI &400C1)
  • Wimp_CreateIcon (SWI &400C2)
  • Wimp_DeleteWindow (SWI &400C3)
  • Wimp_DeleteIcon (SWI &400C4)
  • Wimp_OpenWindow (SWI &400C5)
  • Wimp_CloseWindow (SWI &400C6)
  • Wimp_Poll (SWI &400C7)
  • Wimp_RedrawWindow (SWI &400C8)
  • Wimp_UpdateWindow (SWI &400C9)
  • Wimp_GetRectangle (SWI &400CA)
  • Wimp_GetWindowState (SWI &400CB)
  • Wimp_GetWindowInfo (SWI &400CC)
  • Wimp_SetIconState (SWI &400CD)
  • Wimp_GetIconState (SWI &400CE)
  • Wimp_GetPointerInfo (SWI &400CF)
  • Wimp_DragBox (SWI &400D0)
  • Wimp_ForceRedraw (SWI &400D1)
  • Wimp_SetCaretPosition (SWI &400D2)
  • Wimp_GetCaretPosition (SWI &400D3)
  • Wimp_CreateMenu (SWI &400D4)
  • Wimp_DecodeMenu (SWI &400D5)
  • Wimp_WhichIcon (SWI &400D6)
  • Wimp_SetExtent (SWI &400D7)
  • Wimp_SetPointerShape (SWI &400D8)
  • Wimp_OpenTemplate (SWI &400D9)
  • Wimp_CloseTemplate (SWI &400DA)
  • Wimp_LoadTemplate (SWI &400DB)
  • Wimp_ProcessKey (SWI &400DC)
  • Wimp_CloseDown (SWI &400DD)
  • Wimp_StartTask (SWI &400DE)
  • Wimp_ReportError (SWI &400DF)
  • Wimp_GetWindowOutline (SWI &400E0)
  • Wimp_PollIdle (SWI &400E1)
  • Wimp_PlotIcon (SWI &400E2)
  • Wimp_SetMode (SWI &400E3)
  • Wimp_SetPalette (SWI &400E4)
  • Wimp_ReadPalette (SWI &400E5)
  • Wimp_SetColour (SWI &400E6)
  • Wimp_SendMessage (SWI &400E7)
  • Wimp_CreateSubMenu (SWI &400E8)
  • Wimp_SpriteOp (SWI &400E9)
  • Wimp_BaseOfSprites (SWI &400EA)
  • Wimp_BlockCopy (SWI &400EB)
  • Wimp_SlotSize (SWI &400EC)
  • Wimp_ReadPixTrans (SWI &400ED)
  • Wimp_ClaimFreeMemory (SWI &400EE)
  • Wimp_CommandWindow (SWI &400EF)
  • Wimp_TextColour (SWI &400F0)
  • Wimp_TransferBlock (SWI &400F1)
  • Wimp_ReadSysInfo (SWI &400F2)
  • Wimp_SetFontColours (SWI &400F3)
  • Wimp_GetMenuState (SWI &400F4)
  • Wimp_RegisterFilter (SWI &400F5)
  • Wimp_AddMessages (SWI &400F6)
  • Wimp_RemoveMessages (SWI &400F7)
  • Wimp_SetColourMapping (SWI &400F8)
  • Messages
    • Changes applying to applications passing 300 to Wimp_Initialise
    • Message actions
    • System messages
    • Filer messages
    • NetFiler message
    • Wimp messages
    • Application messages
    • The desktop save protocol
    • The device claim protocol
    • Data transfer protocol
    • The iconise protocol
    • The Printer protocol
    • The DataOpen Message
    • TaskWindow messages
  • *Commands
  • *Configure WimpAutoMenuDelay
  • *Configure WimpDoubleClickDelay
  • *Configure WimpDoubleClickMove
  • *Configure WimpDragDelay
  • *Configure WimpDragMove
  • *Configure WimpFlags
  • *Configure WimpMenuDragDelay
  • *Configure WimpMode
  • *Desktop
  • *Desktop_...
  • *Desktop_SetPalette
  • *IconSprites
  • *Pointer
  • *ToolSprites
  • *WimpMode
  • *WimpPalette
  • *WimpSlot
  • *WimpTask
  • *WimpWriteDir

Volume 3: Chapter 54: Pinboard

• Pinboard
  • Introduction and overview
  • * Commands
  • *AddTinyDir
  • *BackDrop
  • *Pin
  • *Pinboard
  • *RemoveTinyDir

Volume 3: Chapter 55: Drag A Sprite

• Drag A Sprite
  • Introduction
  • SWI calls
  • DragASprite_Start (SWI &42400)
  • DragASprite_Stop (SWI &42401)

Volume 3: Chapter 56: The Filter Manager

• The Filter Manager
  • Introduction and Overview
  • Service Calls
  • Service_FilterManagerInstalled (Service Call &87)
  • Service_FilterManagerDying (Service Call &88)
  • SWI calls
  • Filter_RegisterPreFilter (SWI &42640)
  • Filter_RegisterPostFilter (SWI &42641)
  • Filter_DeRegisterPreFilter (SWI &42642)
  • Filter_DeRegisterPostFilter (SWI &42643)
  • * Commands
  • *Filters

Volume 3: Chapter 57: The TaskManager module

• The TaskManager module
  • Introduction and Overview
  • SWI calls
  • TaskManager_TaskNameFromHandle (SWI &42680)
  • TaskManager_EnumerateTasks (SWI &42681)
  • TaskManager_Shutdown (SWI &42682)
  • * Commands
  • *ChangeDynamicArea

Volume 3: Chapter 58: TaskWindow

• TaskWindow
  • Introduction and Overview
  • SWI calls
  • TaskWindow_TaskInfo (SWI &43380)
  • * Commands
  • *ShellCLI_Task
  • *ShellCLI_TaskQuit
  • *TaskWindow

Volume 3: Chapter 59: ShellCLI

• ShellCLI
  • Introduction
  • SWI Calls
  • Shell_Create (SWI &405C0)
  • Shell_Destroy (SWI &405C1
  • * Commands
  • *ShellCLI
    • Syntax
    • Parameters
    • Use
    • Example
    • Related commands
    • Related SWIs
    • Related vectors

Volume 3: Chapter 60: ColourTrans

• ColourTrans
  • Introduction
  • Overview
    • Definition of terms
    • Finding a colour
    • Setting a colour
    • Conversion
    • Sprites and Fonts
    • Using other palette SWIs
    • Wimp
    • Printing
    • Colour calibration
  • Technical Details
    • Colours
    • Finding a colour
    • Setting a colour
    • Conversion
    • Sprites and Fonts
    • Using other palette SWIs
    • Colour calibration
  • Service Calls
  • Service_CalibrationChanged (Service Call &5B)
  • Service_InvalidateCache (Service Call &82)
  • SWI Calls
  • ColourTrans_SelectTable (SWI &40740)
  • ColourTrans_SelectGCOLTable (SWI &40741)
  • ColourTrans_ReturnGCOL (SWI &40742)
  • ColourTrans_SetGCOL (SWI &40743)
  • ColourTrans_ReturnColourNumber (SWI &40744)
  • ColourTrans_ReturnGCOLForMode (SWI &40745)
  • ColourTrans_ReturnColourNumberForMode (SWI &40746)
  • ColourTrans_ReturnOppGCOL (SWI &40747)
  • ColourTrans_SetOppGCOL (SWI &40748)
  • ColourTrans_ReturnOppColourNumber (SWI &40749)
  • ColourTrans_ReturnOppGCOLForMode (SWI &4074A)
  • ColourTrans_ReturnOppColourNumberForMode (SWI &4074B)
  • ColourTrans_GCOLToColourNumber (SWI &4074C)
  • ColourTrans_ColourNumberToGCOL (SWI &4074D)
  • ColourTrans_ReturnFontColours (SWI &4074E)
  • ColourTrans_SetFontColours (SWI &4074F)
  • ColourTrans_InvalidateCache (SWI &40750)
  • ColourTrans_SetCalibration (SWI &40751)
  • ColourTrans_ReadCalibration (SWI &40752)
  • ColourTrans_ConvertDeviceColour (SWI &40753)
  • ColourTrans_ConvertDevicePalette (SWI &40754)
  • ColourTrans_ConvertRGBToCIE (SWI &40755)
  • ColourTrans_ConvertCIEToRGB (SWI &40756)
  • ColourTrans_WriteCalibrationToFile (SWI &40757)
  • ColourTrans_ConvertRGBToHSV (SWI &40758)
  • ColourTrans_ConvertHSVToRGB (SWI &40759)
  • ColourTrans_ConvertRGBToCMYK (SWI &4075A)
  • ColourTrans_ConvertCMYKToRGB (SWI &4075B)
  • ColourTrans_ReadPalette (SWI &4075C)
  • ColourTrans_WritePalette (SWI &4075D)
  • ColourTrans_SetColour (SWI &4075E)
  • ColourTrans_MiscOp (SWI &4075F)
  • ColourTrans_WriteLoadingsToFile (SWI &40760)
  • ColourTrans_SetTextColour (SWI &40761)
  • ColourTrans_SetOppTextColour (SWI &40762)
  • ColourTrans_GenerateTable (SWI &40763)
  • * Commands
  • *ColourTransLoadings
  • *ColourTransMap
  • *ColourTransMapSize

Volume 3: Chapter 61: The Font Manager

• The Font Manager
  • Introduction
    • RISC OS 2
  • Overview
    • Measurement systems
    • Referencing fonts by name
    • Cacheing
    • Colours
    • Painting
    • Measuring
    • VDU calls
  • Technical Details
    • Measurement systems
    • Font files
    • Font names and identifiers
    • Referencing fonts by identifier
    • Cacheing
    • Colours
    • Painting
    • Measuring
    • Mixing fonts' metrics and characters
    • Handling mode changes
  • Service Calls
  • Service_FontsChanged (Service Call &6E)
  • SWI Calls
  • Font_CacheAddr (SWI &40080)
  • Font_FindFont (SWI &40081)
  • Font_LoseFont (SWI &40082)
  • Font_ReadDefn (SWI &40083)
  • Font_ReadInfo (SWI &40084)
  • Font_StringWidth (SWI &40085)
  • Font_Paint (SWI &40086)
  • Font_Caret (SWI &40087)
  • Font_ConverttoOS (SWI &40088)
  • Font_Converttopoints (SWI &40089)
  • Font_SetFont (SWI &4008A)
  • Font_CurrentFont (SWI &4008B)
  • Font_FutureFont (SWI &4008C)
  • Font_FindCaret (SWI &4008D)
  • Font_CharBBox (SWI &4008E)
  • Font_ReadScaleFactor (SWI &4008F)
  • Font_SetScaleFactor (SWI &40090)
  • Font_ListFonts (SWI &40091)
  • Font_SetFontColours (SWI &40092)
  • Font_SetPalette (SWI &40093)
  • Font_ReadThresholds (SWI &40094)
  • Font_SetThresholds (SWI &40095)
  • Font_FindCaretJ (SWI &40096)
  • Font_StringBBox (SWI &40097)
  • Font_ReadColourTable (SWI &40098)
  • Font_MakeBitmap (SWI &40099)
  • Font_UnCacheFile (SWI &4009A)
  • Font_SetFontMax (SWI &4009B)
  • Font_ReadFontMax (SWI &4009C)
  • Font_ReadFontPrefix (SWI &4009D)
  • Font_SwitchOutputToBuffer (SWI &4009E)
  • Font_ReadFontMetrics (SWI &4009F)
  • Font_DecodeMenu (SWI &400A0)
  • Font_ScanString (SWI &400A1)
  • Font_SetColourTable (SWI &400A2)
  • Font_CurrentRGB (SWI &400A3)
  • Font_FutureRGB (SWI &400A4)
  • Font_ReadEncodingFilename (SWI &400A5)
  • Font_FindField (SWI &400A6)
  • Font_ApplyFields (SWI &400A7)
  • Font_LookupFont (SWI &400A8)
  • *Commands
  • *Configure FontMax
  • *Configure FontMax1
  • *Configure FontMax2
  • *Configure FontMax3
  • *Configure FontMax4
  • *Configure FontMax5
  • *Configure FontSize
  • *FontCat
  • *FontInstall
  • *FontLibrary
  • *FontList
  • *FontRemove
  • *LoadFontCache
  • *SaveFontCache
  • Application Notes

Volume 3: Chapter 62: SuperSample module

• SuperSample module
  • Introduction and Overview
  • SWI calls
  • Super_Sample90 (SWI &40D80)
  • Super_Sample45 (SWI &40D81)

Volume 3: Chapter 63: Draw module

• Draw module
  • Introduction
  • Overview
    • Scaling systems
    • Transformation matrix
    • Winding rules
    • Stroking and filling
    • Printing
    • Floating point
  • Technical Details
    • Data structures
    • Scaling
    • Draw SWIs
    • Printer drivers
  • SWI Calls
  • Draw_ProcessPath (SWI &40700)
  • Draw_Fill (SWI &40702)
  • Draw_Stroke (SWI &40704)
  • Draw_StrokePath (SWI &40706)
  • Draw_FlattenPath (SWI &40708)
  • Draw_TransformPath (SWI &4070A)
  • Application Notes
    • Example of simple drawing

Volume 3: Chapter 64: Printer Drivers

• Printer Drivers
  • Introduction
    • Printing from applications
    • The structure of the printing system
  • Overview
    • Rectangles
    • Measurement systems
  • Printing a document from an application
    • Overview of printing
    • Other calls for controlling a print job
    • Trapping of output calls
    • Guidelines on output calls to use
    • The output calls in detail
    • ByteV
    • ColourV
    • DrawV
    • Font manager SWIs
    • SpriteV
    • WrchV
    • Miscellaneous SWIs
    • Processor flags
    • Error handling changes
  • Technical Details
    • The structure of the printing system
    • The RISC OS 2 printing system
    • Extending the printing system
    • Printer driver numbers
    • Using PostScript fonts
  • Service Calls
  • Service_Print (Service Call &41)
  • Service_PDriverStarting (Service Call &65)
  • Service_PDriverGetMessages (Service Call &78)
  • Service_PDriverChanged (Service Call &7F)
  • SWI Calls
  • PDriver_Info (SWI &80140)
  • PDriver_SetInfo (SWI &80141)
  • PDriver_CheckFeatures (SWI &80142)
  • PDriver_PageSize (SWI &80143)
  • PDriver_SetPageSize (SWI &80144)
  • PDriver_SelectJob (SWI &80145)
  • PDriver_CurrentJob (SWI &80146)
  • PDriver_FontSWI (SWI &80147)
  • PDriver_EndJob (SWI &80148)
  • PDriver_AbortJob (SWI &80149)
  • PDriver_Reset (SWI &8014A)
  • PDriver_GiveRectangle (SWI &8014B)
  • PDriver_DrawPage (SWI &8014C)
  • PDriver_GetRectangle (SWI &8014D)
  • PDriver_CancelJob (SWI &8014E)
  • PDriver_ScreenDump (SWI &8014F)
  • PDriver_EnumerateJobs (SWI &80150)
  • PDriver_SetPrinter (SWI &80151)
  • PDriver_CancelJobWithError (SWI &80152)
  • PDriver_SelectIllustration (SWI &80153)
  • PDriver_InsertIllustration (SWI &80154)
  • PDriver_DeclareFont (SWI &80155)
  • PDriver_DeclareDriver (SWI &80156)
  • PDriver_RemoveDriver (SWI &80157)
  • PDriver_SelectDriver (SWI &80158)
  • PDriver_EnumerateDrivers (SWI &80159)
  • PDriver_MiscOp (SWI &8015A)
  • PDriver_MiscOp 0 (SWI &8015A)
  • PDriver_MiscOp 1 (SWI &8015A)
  • PDriver_MiscOp 2 (SWI &8015A)
  • PDriver_MiscOp &80000000 (SWI &8015A)
  • PDriver_MiscOp &80000001 (SWI &8015A)
  • PDriver_MiscOp &80000100 - &80000FFF (SWI &8015A)
  • PDriver_MiscOpForDriver (SWI &8015B)
  • PDriver_SetDriver (SWI &8015C)
    • PrinterDM version
    • PDriverPS version
  • Example program
    • Notes

Volume 3: Chapter 65: Printers Dumper

• Printer Dumpers
  • Introduction and Overview
  • Technical Details
    • Reason code handler entry and exit conditions
    • Common parameters
    • How the PDumper reason codes get called
  • Printer Dumper reason codes
    • PDumperReason_SetDriver (reason code 0)
    • PDumperReason_OutputDump (reason code 1)
    • PDumperReason_ColourSet (reason code 2)
    • PDumperReason_StartPage (reason code 3)
    • PDumperReason_EndPage (reason code 4)
    • PDumperReason_StartJob (reason code 5)
    • PDumperReason_AbortJob (reason code 6)
    • PDumperReason_MiscOp (reason code 7)
  • Service Calls
  • Service_PDumperStarting (Service Call &66)
  • Service_PDumperDying (Service Call &67)

Volume 3: Chapter 66: PDumperSupport

• PDumperSupport
  • Introduction and Overview
  • SWI calls
  • PDumper_Info (SWI &41B00)
  • PDumper_Claim (SWI &41B01)
  • PDumper_Free (SWI &41B02)
  • PDumper_Find (SWI &41B03)
  • PDumper_StartJob (SWI &41B04)
  • PDumper_TidyJob (SWI &41B05)
  • PDumper_SetColour (SWI &41B06)
  • PDumper_PrepareStrip (SWI &41B07)
  • PDumper_LookupError (SWI &41B08)
  • PDumper_CopyFilename (SWI &41B09)

Volume 3: Chapter 67: Printer definition files

• Printer definition files
  • Introduction and Overview
  • Technical details
    • Printer definition editor
    • Graphics mode: Dump information
    • Graphics mode: Dump strings
    • Text modes
    • Character mappings

Volume 3: Chapter 68: MakePSFont

• MakePSFont
  • Introduction
  • SWI calls
  • MakePSFont_MakeFont (SWI &43440)

Volume 3: Chapter 69: MessageTrans

• MessageTrans
  • Introduction and Overview
    • Summary of MessageTrans facilities
  • Technical Details
    • Message file descriptors
    • Message file format
    • Unmatchable tokens
    • Service_Reset
    • Service_MessageFileClosed
  • Service Call
  • Service_MessageFileClosed (Service Call &5E)
  • SWI Calls
  • MessageTrans_FileInfo (SWI &41500)
  • MessageTrans_OpenFile (SWI &41501)
  • MessageTrans_Lookup (SWI &41502)
  • MessageTrans_MakeMenus (SWI &41503)
  • MessageTrans_CloseFile (SWI &41504)
  • MessageTrans_EnumerateTokens (SWI &41505)
  • MessageTrans_ErrorLookup (SWI &41506)
  • MessageTrans_GSLookup (SWI &41507)
  • MessageTrans_CopyError (SWI &41508)

Volume 3: Chapter 70: International module

• International module
  • Introduction
  • Overview and Technical Details
    • Names and numbers
    • Alphabet
    • Keyboard
    • Country
    • Service calls
  • Service Calls
  • Service_International (Service Call &43)
  • Service_International 0 (Service Call &43)
  • Service_International 1 (Service Call &43)
  • Service_International 2 (Service Call &43)
  • Service_International 3 (Service Call &43)
  • Service_International 4 (Service Call &43)
  • Service_International 5 (Service Call &43)
  • Service_International 6 (Service Call &43)
  • SWI Calls
  • OS_Byte 70 (SWI &06)
  • OS_Byte 71 (SWI &06)
  • OS_Byte 240 (SWI &06)
  • *Commands
  • *Alphabet
  • *Alphabets
  • *Configure Country
  • *Countries
  • *Country
  • *Keyboard

Volume 3: Chapter 71: The Territory Manager

• The Territory Manager
  • Introduction
    • Purpose of the territory manager
    • Use of the territory manager
  • Overview
    • The territory manager
    • Territory modules
  • Technical details
    • Loading and setting the current territory
    • Initialising territory modules
    • Setting up for the current territory
    • Scope of a territory
    • Territory numbers and names
  • Service Calls
  • Service_TerritoryManagerLoaded (Service Call &64)
  • Service_TerritoryStarted (Service Call &75)
  • Territory manager SWIs
  • Territory_Number (SWI &43040)
  • Territory_Register (SWI &43041)
  • Territory_Deregister (SWI &43042)
  • Territory_NumberToName (SWI &43043)
  • Territory_Exists (SWI &43044)
  • Territory_AlphabetNumberToName (SWI &43045)
  • Territory_SelectAlphabet (SWI &43046)
  • Territory_SetTime (SWI &43047)
  • Territory_ReadCurrentTimeZone (SWI &43048)
  • Territory_ConvertTimeToUTCOrdinals (SWI &43049)
  • Territory_ConvertTextToString (SWI &73075)
  • Territory module SWIs
  • Territory_ReadTimeZones (SWI &4304A)
  • Territory_ConvertDateAndTime (SWI &4304B)
  • Territory_ConvertStandardDateAndTime (SWI &4304C)
  • Territory_ConvertStandardDate (SWI &4304D)
  • Territory_ConvertStandardTime (SWI &4304E)
  • Territory_ConvertTimeToOrdinals (SWI &4304F)
  • Territory_ConvertTimeStringToOrdinals (SWI &43050)
  • Territory_ConvertOrdinalsToTime (SWI &43051)
  • Territory_Alphabet (SWI &43052)
  • Territory_AlphabetIdentifier (SWI &43053)
  • Territory_SelectKeyboardHandler (SWI &43054)
  • Territory_WriteDirection (SWI &43055)
  • Territory_CharacterPropertyTable (SWI &43056)
  • Territory_LowerCaseTable (SWI &43057)
  • Territory_UpperCaseTable (SWI &43058)
  • Territory_ControlTable (SWI &43059)
  • Territory_PlainTable (SWI &4305A)
  • Territory_ValueTable (SWI &4305B)
  • Territory_RepresentationTable (SWI &4305C)
  • Territory_Collate (SWI &4305D)
  • Territory_ReadSymbols (SWI &4305E)
  • Territory_ReadCalendarInformation (SWI &4305F)
  • Territory_NameToNumber (SWI &43060)
  • Territory_TransformString (SWI &43061)
  • * Commands
  • *Configure DST
  • *Configure NoDST
  • *Configure Territory
  • *Configure TimeZone
  • *Territories

Volume 4: Chapter 72: The Sound system

• The Sound system
  • Introduction
  • Overview
    • The DMA Handler
    • The Channel Handler
    • The Scheduler
    • Voice Generators
  • Technical details
    • DMA Handler
    • Channel Handler
    • Scheduler
    • Voice Generators
    • Entry points for buffer filling
    • Voice instantiation
  • Service Calls
  • Service_Sound (Service Call &54)
  • SWI calls
  • Sound_Configure (SWI &40140)
  • Sound_Enable (SWI &40141)
  • Sound_Stereo (SWI &40142)
  • Sound_Speaker (SWI &40143)
  • Sound_Volume (SWI &40180)
  • Sound_SoundLog (SWI &40181)
  • Sound_LogScale (SWI &40182)
  • Sound_InstallVoice (SWI &40183)
  • Sound_InstallVoice 0 (SWI &40183)
  • Sound_InstallVoice 1 (SWI &40183)
  • Sound_InstallVoice 2 (SWI &40183)
  • Sound_InstallVoice 3 (SWI &40183)
  • Sound_RemoveVoice (SWI &40184)
  • Sound_AttachVoice (SWI &40185)
  • Sound_ControlPacked (SWI &40186)
  • Sound_Tuning (SWI &40187)
  • Sound_Pitch (SWI &40188)
  • Sound_Control (SWI &40189)
  • Sound_AttachNamedVoice (SWI &4018A)
  • Sound_ReadControlBlock (SWI &4018B)
  • Sound_WriteControlBlock (SWI &4018C)
  • Sound_QInit (SWI &401C0)
  • Sound_QSchedule (SWI &401C1)
  • Sound_QRemove (SWI &401C2)
  • Sound_QFree (SWI &401C3)
  • Sound_QSDispatch (SWI &401C4)
  • Sound_QTempo (SWI &401C5)
  • Sound_QBeat (SWI &401C6)
  • Sound_QInterface (SWI &401C7)
  • * Commands
  • *Audio
  • *ChannelVoice
  • *Configure SoundDefault
  • *QSound
  • *Sound
  • *Speaker
  • *Stereo
  • *Tempo
  • *Tuning
  • *Voices
  • *Volume
  • Application notes
    • Buffer filling algorithms
    • Example code fragments
    • Oscillator coding
    • Wavetable access coding
    • Amplitude modulation coding
    • Overall volume
    • Channel volume
    • Envelope coding
    • Linear to logarithmic conversion
    • Random bit generator code
  • Example program

Volume 4: Chapter 73: WaveSynth

• WaveSynth
  • Introduction
  • Example programs

Volume 4: Chapter 74: The Buffer Manager

• The Buffer Manager
  • Introduction and Overview
  • Service Calls
  • Service_BufferStarting (Service Call &6F)
  • SWI calls
  • Buffer_Create (SWI &42940)
  • Buffer_Remove (SWI &42941)
  • Buffer_Register (SWI &42942)
  • Buffer_Deregister (SWI &42943)
  • Buffer_ModifyFlags (SWI &42944)
  • Buffer_LinkDevice (SWI &42945)
  • Buffer_UnlinkDevice (SWI &42946)
  • Buffer_GetInfo (SWI &42947)
  • Buffer_Threshold (SWI &42948)

Volume 4: Chapter 75: Squash

• Squash
  • Introduction and Overview
  • SWI calls
  • Squash_Compress (SWI &42700)
  • Squash_Decompress (SWI &42701)

Volume 4: Chapter 76: ScreenBlank

• ScreenBlank
  • Introduction and Overview
  • Service Calls
  • Service_ScreenBlanked (Service Call &7A)
  • Service_ScreenRestored (Service Call &7B)
  • SWI calls
  • ScreenBlanker_Control (SWI &43100)
  • * Commands
  • *BlankTime

Volume 4: Chapter 77: Expansion Cards and Extension ROMs

• Expansion Cards and Extension ROMs
• Introduction
• Overview
  • Software
• Technical Details
  • Extension ROM Headers
  • Introduction to Expansion Card Identities
    • Simple Expansion Card Identity
    • Extended Expansion Card Identity
    • Expansion card and extension ROM presence
    • Generating interrupts from expansion cards
    • Interrupt Status Pointers
    • Chunk directory structure
    • Binding a ROM image
    • Expansion card Code Space
    • Writing a Loader for an expansion card
    • CMOS RAM
    • ROM sections
    • 'Podules'
• Service Calls
  • Service_PreReset (Service Call &45)
  • Service_ADFSPodule (Service Call &10800)
  • Service_ADFSPoduleIDE (Service Call &10801)
  • Service_ADFSPoduleIDEDying (Service Call &10802)
• SWI calls
  • Podule_ReadID (SWI &40280)
  • Podule_ReadHeader (SWI &40281)
  • Podule_EnumerateChunks (SWI &40282)
  • Podule_ReadChunk (SWI &40283)
  • Podule_ReadBytes (SWI &40284)
  • Podule_WriteBytes (SWI &40285)
  • Podule_CallLoader (SWI &40286)
  • Podule_RawRead (SWI &40287)
  • Podule_RawWrite (SWI &40288)
  • Podule_HardwareAddress (SWI &40289)
  • Podule_EnumerateChunksWithInfo (SWI &4028A)
  • Podule_HardwareAddresses (SWI &4028B)
  • Podule_ReturnNumber (SWI &4028C)
• * Commands
  • *PoduleLoad
  • *Podules
  • *PoduleSave
• Example program

Volume 4: Chapter 78: Floating point emulator

• Floating point emulator
• Floating point emulator
  • Introduction
  • Programmer's model
    • Available systems
    • Precision
    • Floating point number formats
    • Floating point status register
    • Floating Point Control Register
  • The instruction set
    • Floating point coprocessor data transfer
    • Floating point coprocessor multiple data transfer
    • Floating point coprocessor register transfer
    • Floating point coprocessor data operations
    • Floating point coprocessor status transfer
    • Finding out more...
  • SWI Calls
  • FPEmulator_Version (SWI &40480)

Volume 4: Chapter 79: ARM3 Support

• ARM3 Support
  • Introduction and Overview
    • Summary of facilities
    • Notes
    • Finding out more
  • SWI Calls
  • Cache_Control (SWI &280)
  • Cache_Cacheable (SWI &281)
  • Cache_Updateable (SWI &282)
  • Cache_Disruptive (SWI &283)
  • Cache_Flush (SWI &284)
  • * Commands
  • *Cache
  • *Configure Cache
  • Application Note

Volume 4: Chapter 80: The Portable module

• The Portable module
  • Introduction
  • Technical details
    • Colour to grey-scale mapping
  • Service calls
  • Service_Portable (Service Call &8A)
  • SWI Calls
  • Portable_Speed (SWI &42FC0)
  • Portable_Control (SWI &42FC1)
  • Portable_ReadBMUVariable (SWI &42FC2)
  • Portable_WriteBMUVariable (SWI &42FC3)
  • Portable_CommandBMU (SWI &42FC4)

Volume 4: Chapter 81: Joystick module

• Joystick module
  • Introduction and Overview
  • SWI Calls
  • Joystick_Read (SWI &43F40)

Volume 4: Chapter 82: Debugger

• Debugger
  • Introduction
  • Technical Details
  • SWI Calls
  • Debugger_Disassemble (SWI &40380)
  • *Commands
  • *BreakClr
  • *BreakList
  • *BreakSet
  • *Continue
  • *Debug
  • *InitStore
  • *Memory
  • *MemoryA
  • *MemoryI
  • *ShowRegs

Volume 4: Chapter 83: The shared C library

• The shared C library
  • Introduction
  • Overview
    • How to use the C library kernel
    • Calling other programs from C
    • Storage management
    • Handling host errors
  • Technical details
    • How to use the C library kernel
    • Calling other programs from C
    • Storage management (malloc, calloc, free)
    • Handling host errors
  • SWI Calls
  • SharedCLibrary_LibInitAPCS_A (SWI &80680)
  • SharedCLibrary_LibInitAPCS_R (SWI &80681)
  • SharedCLibrary_LibInitModule (SWI &80682)
  • Example programs
    • Calling the shared C library
    • Calling the shared C library from a module
  • Library kernel functions
    • Initialisation functions
    • Stack management functions
    • Program environment functions
    • General utility functions
    • Memory allocation functions
    • Language support functions
  • C library functions
    • Language support functions
    • assert
    • ctype
    • errno
    • locale
    • math
    • setjmp
    • signal
    • stdio
    • stdlib
    • string
    • time

Volume 4: Chapter 84: BASIC and BASICTrans

• BASIC and BASICTrans
  • Introduction and Overview
    • Using BBC BASIC
  • SWI Calls
  • BASICTrans_HELP (SWI &42C80)
  • BASICTrans_Error (SWI &42C81)
  • BASICTrans_Message (SWI &42C82)
  • * Commands
  • *BASIC / *BASIC64

Volume 4: Chapter 85: Command scripts

• Command scripts
  • Introduction
  • Overview and Technical Details
    • Creating a command script
    • Running the script
    • Making a script run automatically
    • Using parameters
    • Abbreviations
  • *Commands
  • *Obey
  • Application Notes

Volume 4: Chapter 86: Appendix A: ARM assembler

• Appendix A: ARM assembler
  • Introduction
    • Available assemblers
  • The BASIC assembler
    • Using the BASIC assembler
    • Saving machine code to file
    • Executing a machine code program
    • Format of assembly language statements
    • Registers
    • Condition codes
    • The instruction set

Volume 4: Chapter 87: Appendix B: Warnings on the use of ARM assembler

• Appendix B: Warnings on the use of ARM assembler
  • Introduction
  • Restrictions to the ARM instruction set
  • Instructions and code sequences to avoid
  • Static ARM problems

Volume 4: Chapter 88: Appendix C: ARM procedure call standard

• Appendix C: ARM procedure call standard
  • The purpose of APCS
  • Design criteria
  • The Procedure Call Standard
  • Defined bindings of the procedure call standard
  • Examples from Acorn language implementations

Volume 4: Chapter 89: Appendix D: Code file formats

• Appendix D: Code file formats
  • Terminology
  • Undefined Fields
  • Overall structure of AOF and ALF files
  • Chunk file format
  • AOF
    • Object file format
    • Linker defined symbols
    • Obsolescent and obsolete features
  • ALF
    • Library file format types
    • Library file chunks
    • LIB_DIRY
    • LIB_TIME
    • LIB_VSRN
    • LIB_DATA
    • Object code libraries
  • AIF
    • Properties of AIF
    • Layout of an AIF image
    • AIF header layout
    • Zero-initialisation code
    • Self relocation
  • ASD
    • Order of Debugging Data
    • Representation of Data Types
    • Representation of Source File Positions
    • Debugging Data Items in Detail

Volume 4: Chapter 90: Appendix E: File formats

• Appendix E: File formats
  • Introduction
  • Sprite files
  • Template files
    • Header
    • Index entries
    • Terminator
    • Data
    • Font data
  • Draw files
    • Coordinates
    • Colours
    • File headers
    • Objects
  • Font files
    • IntMetrics / IntMetricn files
    • x90y45 font files
    • Other font file formats
    • Encoding files
    • Font Messages files
  • Music files
    • Gates
    • Notes and rests
  • Squash files

Volume 4: Chapter 91: Appendix F: System variables

• Appendix F: System variables
  • Application variables
  • Changing and adding commands
  • FileSwitch variables
  • Using file types
  • Absent filing systems
  • Setting the command line prompt
  • Configuring RISC OS commands
  • System path variables
  • Obey files
  • Time and date
  • Return codes
  • !System and !Scrap
  • The desktop
  • The Task Window
  • Setting default options for devices
  • Setting paths for printing

Volume 4: Chapter 92: Appendix G: The Acorn Terminal Interface Protocol

• Appendix G: The Acorn Terminal Interface Protocol
• Introduction
  • Protocol modules
  • Writing a protocol module
  • Writing a terminal emulator
  • Documentation of Service Calls and SWIs
• Service Calls
  • Service_FindProtocols (Service Call &41580)
  • Service_FindProtocolsEnd (Service Call &41581)
  • Service_ProtocolNameToNumber (Service Call &41582)
• SWI calls
  • Protocol_OpenLogicalLink (Offset 0)
  • Protocol_CloseLogicalLink (Offset 1)
  • Protocol_GetProtocolMenu (Offset 2)
  • Protocol_OpenConnection (Offset 3)
  • Protocol_CloseConnection (Offset 4)
  • Protocol_TransmitData (Offset 5)
  • Protocol_DataRequest (Offset 6)
  • Protocol_MenuItemSelected (Offset 7)
  • Protocol_UnknownEvent (Offset 8)
  • Protocol_GetLinkState (Offset 9)
  • Protocol_Break (Offset 10)
  • Protocol_SendFile (Offset 11)
  • Protocol_SendFileData (Offset 12)
  • Protocol_AbortTransfer (Offset 13)
  • Protocol_GetFileInfo (Offset 14)
  • Protocol_GetFileData (Offset 15)
  • Protocol_MenuHelp (Offset 16)
  • Protocol_GetFile (Offset 17)
  • Protocol_DirOp (Offset 18)

Volume 4: Chapter 93: Appendix H: Registering names

• Appendix H: Registering names
  • Introduction
  • Things requiring registration

Volume 4: Chapter 94: Table A: VDU codes

• Table A: VDU codes
  • List of VDU codes

Volume 4: Chapter 95: Table B: Modes

• Table B: Modes

Volume 4: Chapter 96: Table C: File types

• Table C: File types
  • List of file types

Volume 4: Chapter 97: Table D: Character sets

• Table D: Character sets
  • Introduction
  • Loading alphabets
  • How alphabets are initially set up
  • Keyboard shortcuts
  • Latin1 alphabet (ISO 8859/1)
  • Latin2 alphabet (ISO 8859/2)
  • Latin3 alphabet (ISO 8859/3)
  • Latin4 alphabet (ISO 8859/4)
  • Cyrillic alphabet (ISO 8859/5)
  • Greek alphabet (ISO 8859/7)
  • Hebrew alphabet (ISO 8859/8)
  • Cyrillic2 alphabet (DOS code page 866)
  • BFont characters
  • Teletext characters (used only in mode 7)

Volume 4: Chapter 141: Appendix D: Deprecated calls

• Appendix D: Deprecated calls
  • VDU calls
  • OS_Byte/OS_Word calls
  • FileSwitch
  • System extension/application SWIs

Volume 5a: Chapter 98: Introduction to RISC OS 3.5 and RISC OS 3.6

• Introduction to RISC OS 3.5 and RISC OS 3.6
  • Introduction
  • RISC OS terminology
  • Hardware overview
  • RISC OS overview

Volume 5a: Chapter 99: ARM hardware

• ARM hardware
  • Introduction and Overview
    • 32 bit architecture
    • Block diagram of core

Volume 5a: Chapter 100: Hardware vectors

• Hardware vectors
  • Introduction and Overview
    • Exceptions
    • The pre-veneers
    • Claiming the hardware vectors
    • Writing to the FIQ vector
  • SWI Calls
  • OS_ClaimProcessorVector (SWI &69)

Volume 5a: Chapter 101: Interrupts

• Interrupts
  • Introduction and Overview

Volume 5a: Chapter 102: Modules

• Modules
  • Introduction and Overview
    • Message files for help and command keyword table
    • Changes to existing SWIs
  • Technical details
    • Module header format
    • Help and command keyword table
    • The message file

Volume 5a: Chapter 103: Memory management

• Memory management
  • Introduction
    • Running 32 bit code
  • Overview
    • Free memory pool
    • Dynamic areas
  • Technical Details
    • Logical memory map
    • Memory terminology
    • New SWIs
    • Changes to existing SWIs
    • Changes to existing * Commands
    • Dynamic area handler routines
    • Sequence of actions when SWI OS_ChangeDynamicArea is called
  • Service calls
  • Service_PagesUnsafe (Service Call &8E)
  • Service_PagesSafe (Service Call &8F)
  • Service_DynamicAreaCreate (Service Call &90)
  • Service_DynamicAreaRemove (Service Call &91)
  • Service_DynamicAreaRenumber (Service Call &92)
  • SWI calls
  • OS_DynamicArea (SWI &66)
  • OS_DynamicArea 0 (SWI &66)
  • OS_DynamicArea 1 (SWI &66)
  • OS_DynamicArea 2 (SWI &66)
  • OS_DynamicArea 3 (SWI &66)
  • OS_DynamicArea 4 (SWI &66)
  • OS_Memory (SWI &68)
  • OS_Memory 0 (SWI &68)
  • OS_Memory 1 - 5 (SWI &68)
  • OS_Memory 6 (SWI &68)
  • OS_Memory 7 (SWI &68)
  • OS_Memory 8 (SWI &68)
  • OS_Memory 9 (SWI &68)
  • OS_MMUControl (SWI &6B)

Volume 5a: Chapter 104: CMOS RAM allocation

• CMOS RAM allocation
  • Non-volatile memory
  • RISC OS 3.6 allocation

Volume 5a: Chapter 105: DMA

• DMA
  • Introduction and Overview
    • DMA manager
  • Technical details
    • Logical and physical DMA channels
    • Memory manager interfaces
    • Device drivers
    • Control routines
  • SWI calls
  • DMA_RegisterChannel (SWI &46140)
  • DMA_DeregisterChannel (SWI &46141)
  • DMA_QueueTransfer (SWI &46142)
  • DMA_TerminateTransfer (SWI &46143)
  • DMA_SuspendTransfer (SWI &46144)
  • DMA_ResumeTransfer (SWI &46145)
  • DMA_ExamineTransfer (SWI &46146)

Volume 5a: Chapter 106: Video

• Video
  • Introduction
  • Overview
    • New ways of selecting modes
    • Monitor configuration stored in files
    • New sprite format
    • ColourTrans extended to support new modes and sprites
    • New PaletteV reason codes
    • All 8 bits of colour numbers are significant
  • Technical details
    • Mode selection
    • The ScreenModes module
    • Desktop screen modes
    • New format of a sprite
    • New software vectors
    • New Service Call
    • Changes to existing Service Calls
    • Changes to existing VDU calls
    • New kernel SWI
    • Changes to existing kernel SWIs
    • New OS_SpriteOp reason code
    • Changes to OS_SpriteOp
    • Changes to existing Wimp SWIs
    • Changes to existing ColourTrans SWIs
    • New * Command
    • Changes to existing * Commands
  • Software vectors
  • PaletteV (Vector &23)
  • Service calls
  • Service_ModeExtension (Service Call &50)
  • Service_EnumerateScreenModes (Service Call &8D)
  • SWI calls
  • OS_SpriteOp 17 (SWI &65)
  • OS_ScreenMode (SWI &65)
  • OS_ScreenMode 0 (SWI &65)
  • OS_ScreenMode 1 (SWI &65)
  • OS_ScreenMode 2 (SWI &65)
  • OS_ScreenMode 3 (SWI &65)
  • ScreenModes_ReadInfo (SWI &487C0)
  • * Commands
  • *LoadModeFile
  • *VIDCBandwidthLimit

Volume 5a: Chapter 107: JPEG images

• JPEG images
  • Introduction and Overview
    • The CompressJPEG module
  • Technical details
    • SWI naming and numbering
    • The JPEG standard
    • JFIF files
    • ChangeFSI and JPEG files
    • Dithering of JPEGs
  • SWI Calls
  • JPEG_Info (SWI &49980)
  • JPEG_FileInfo (SWI &49981)
  • JPEG_PlotScaled (SWI &49982)
  • JPEG_PlotFileScaled (SWI &49983)
  • JPEG_PlotTransformed (SWI &49984)
  • JPEG_PlotFileTransformed (SWI &49985)
  • JPEG_PDriverIntercept (SWI &49986)

Volume 5a: Chapter 108: Miscellaneous kernel items

• Miscellaneous kernel items
  • Introduction and Overview
    • Changes to existing SWIs
    • New SWI
  • SWI Calls
  • OS_Reset (SWI &6A)

Volume 5a: Chapter 109: FileSwitch

• FileSwitch
  • Introduction and Overview
    • New OS_FSControl reason codes
    • New filing system entry points
  • SWI Calls
  • OS_FSControl 55 (SWI &29)
  • OS_FSControl 56 (SWI &29)
  • OS_FSControl 57 (SWI &29)

Volume 5a: Chapter 110: FileCore

• FileCore
  • Introduction and Overview
  • Technical details
    • Disc record
    • Disc addresses
    • Defect list
    • Maximum practical disc size
    • Disc formats
    • Changes to existing SWIs
    • New SWIs
  • SWI Calls
  • FileCore_MiscOp 6 (SWI &40549)
  • FileCore_MiscOp 7 (SWI &40549)
  • FileCore_SectorOp (SWI &4054A)
  • FileCore_FreeSpace64 (SWI &4054B)

Volume 5a: Chapter 111: ADFS

• ADFS
  • Introduction and Overview
    • Logical block addressing (LBA)
    • Changes to existing SWIs
    • New SWIs
  • SWI Calls
  • ADFS_SectorDiscOp (SWI &4024D)
  • ADFS_LockIDE (SWI &40251)
  • ADFS_FreeSpace64 (SWI &40252)

Volume 5a: Chapter 112: DOSFS

• DOSFS
  • Introduction and Overview
    • Support for larger DOSFS image files
    • Less stringent checking of DOS formats

Volume 5a: Chapter 113: CDs and CD-ROMs

• CDs and CD-ROMs
  • Introduction
    • The future of CD-related modules
    • CDFS
  • * Commands
  • *Bye
  • *CDDevices
  • *CDFS
  • *CDSpeed
  • *Configure CDROMBuffers
  • *Configure CDROMDrives
  • *Dismount
  • *Drive
  • *Eject
  • *Lock
  • *Mount
  • *Play
  • *PlayList
  • *PlayMSF
  • *Stop
  • *Supported
  • *Unlock
  • *WhichDisc

Volume 5a: Chapter 114: NetPrint

• NetPrint
  • Service Calls
  • Service_NetPrintCheckD1 (Service Call &40200)

Volume 5a: Chapter 115: Parallel and serial device drivers

• Parallel and serial device drivers
  • Introduction and Overview
    • Buffer Manager
    • DeviceFS module
    • Parallel device driver
    • Serial device driver
  • Technical Details
    • The buffer manager service routine
    • Changes to existing SWIs
  • SWI calls
  • OS_SerialOp 9 (SWI &57)
  • Buffer_InternalInfo (SWI &42949)

Volume 5a: Chapter 116: Keyboard and mouse

• Keyboard and mouse
  • Introduction and Overview
  • Technical details
    • The keyboard interface
    • The pointer interface
  • Software vectors
  • KeyV (Vector &13)
  • PointerV (Vector &26)
  • SWI calls
  • OS_Pointer (SWI &64)
  • * Commands
  • *Configure MouseType

Volume 5a: Chapter 117: Filing system locking and resets

• Filing system locking and resets
  • Introduction and Overview
  • Technical Details
    • Changes to power-on and reset
    • The FSLock Module
    • Changes to existing SWIs
  • SWI calls
  • FSLock_Version (SWI &44780)
  • FSLock_Status (SWI &44781)
  • FSLock_ChangeStatus (SWI &44782)
  • * Commands
  • *FSLock_ChangePassword
  • *FSLock_Lock
  • *FSLock_Status
  • *FSLock_Unlock

Volume 5a: Chapter 118: Free

• Free
  • Introduction and Overview
  • Technical details
    • Changes to existing SWIs
    • Free_Register
    • Reason code 4- Get 64 bit free space for device

Volume 5a: Chapter 119: Writing a filing system

• Writing a filing system
  • Introduction and Overview
    • New FSEntry_Func and ImageEntry_Func reason codes
  • Interfaces
    • FSEntry_Func 35 and ImageEntry_Func 35
    • FSEntry_Func 36 and ImageEntry_Func 36
    • FSEntry_Func 37 and ImageEntry_Func 37

Volume 5a: Chapter 120: Writing a FileCore mnodule

• Writing a FileCore module
  • Declaring your module
    • Descriptor block
    • Ensuring the new FileCore is present
  • Running new-style FileCore modules under the new FileCore
    • DiscOp entry
    • MiscOp entry
    • Returning errors
    • Calling FileCore DiscOp SWIs
    • Providing a SWI handler
  • Running new-style FileCore modules under an old FileCore
    • Low-level entry points
    • Calling FileCore SWIs
    • Providing a SWI handler

Volume 5a: Chapter 121: Econet

• Econet
  • Introduction and Overview
    • New SWIs
    • Machine type numbers
    • Port numbers
    • Changes to existing SWIs
  • SWI Calls
  • Econet_InetRxDirect (SWI &4001D)
  • Econet_EnumerateMap (SWI &4001E)
  • Econet_EnumerateTransmit (SWI &4001F)
  • Econet_HardwareAddresses (SWI &40020)
  • Econet_NetworkParameters (SWI &40021)

Volume 5a: Chapter 122: AUN

• AUN
  • Introduction
  • Overview
    • AUN concepts
  • Technical details
    • Protocols
    • Software
    • Addresses in Econet and AUN
    • AUN IP address configuration
    • Application program interface
  • * Commands
  • *Configure BootNet
  • *DeviceInfo
  • *NetMap
  • *NetProbe
  • *NetStat
  • *NetTraceOff
  • *NetTraceOn
  • *Networks
  • *SetStation

Volume 5a: Chapter 123: The Internet module

• The Internet module
  • Introduction
    • The Internet module
    • The Internet C libraries
    • Getting the libraries and full Internet module
    • Contents of this chapter
    • Finding out more...
  • Introductory tutorial
    • Introduction
    • Overview
    • Domains and protocols
    • Closing sockets
    • Datagrams in the Internet domain
    • Connections
    • Reads, writes, recvs, etc
    • Choices
    • What to do next
  • Advanced tutorial
    • Introduction
    • Basics
    • Network library routines
    • Client/server model
    • The Internet event
    • Advanced topics
    • Multitasking
  • Protocols
  • ICMP
  • IP
  • TCP
  • UDP
  • Library calls
  • INDEX
  • ACCEPT
  • ACCESS
  • BIND
  • BSTRING
  • BYTEORDER
  • CHDIR
  • CHMOD
  • CLOSE
  • CONNECT
  • ERRNO
  • FILESTAT
  • FLUSHINPUT
  • FSTAT
  • GETDTABLESIZE
  • GETEGID
  • GETGROUPS
  • GETHOSTBYNAME
  • GETHOSTNAME
  • GETLOGIN
  • GETNETENT
  • GETPASS
  • GETPEERNAME
  • GETPID
  • GETPROTOENT
  • GETPWENT
  • GETSERVENT
  • GETSOCKNAME
  • GETSOCKOPT
  • GETSTABLESIZE
  • GETTIMEOFDAY
  • GETUID
  • GETVAR
  • GETWD
  • HERROR
  • INET
  • _INET_ERROR
  • IOCTL
  • KILLFILE
  • LISTEN
  • LSEEK
  • _MAKECALL
  • NAMISIPADR
  • OSREADC
  • _PWBUF
  • READ
  • READDIR
  • RECV
  • RRESVPORT
  • SELECT
  • SEND
  • SHUTDOWN
  • SOCKET
  • SOCKETCLOSE
  • SOCKETIOCTL
  • SOCKETREAD
  • SOCKETSTAT
  • SOCKETWRITE
  • STRING
  • UNLINK
  • _VARNAMEBUF
  • WRITE
  • XGETS
  • XPERROR
  • XPUTCHAR
  • Service calls
    • Driver information blocks
  • Service_EnumerateNetworkDrivers (Service Call &9B)
  • Service_DCIDriverStatus (Service Call &9D)
  • Service_DCIFrameTypeFree (Service Call &9E)
  • Service_DCIProtocolStatus (Service Call &9F)
  • Service_InternetStatus (Service Call &B0)
  • SWI calls
    • Calling the SWIs
  • * Commands
  • *InetChecksum
  • *InetGateway
  • *InetInfo

Volume 5a: Chapter 124: Acorn Access

• Acorn Access
  • Introduction and Overview
    • Access components
    • Writing filing systems so they integrate with Access
    • Writing Filers so they integrate with Access
  • * Commands
  • *Desktop_ShareFSFiler
  • *Dismount
  • *Free
  • *FwShow
  • *Share
  • *ShareFS
  • *ShareFSIcon
  • *ShareFSWindow
  • *Shares
  • *UnShare

Volume 5a: Chapter 125: The desktop

• The desktop
  • Introduction and Overview
    • Terminology
  • Technical Details
    • The desktop font
    • Templates
    • Menus
    • Icon bar icons that use text
    • Tiled window backdrops
    • The Wimp's error system
    • The caret
    • Finding other applications
    • Changes to existing SWIs
    • Changes to existing commands
  • Service Calls
  • Service_ErrorStarting (Service Call &400C0)
  • Service_ErrorButtonPressed (Service Call &400C1)
  • Service_ErrorEnding (Service Call &400C2)
  • SWI Calls
  • Wimp_TextOp (SWI &400F9)
  • Wimp_TextOp 0 (SWI &400F9)
  • Wimp_TextOp 1 (SWI &400F9)
  • Wimp_TextOp 2 (SWI &400F9)
  • Wimp_SetWatchdogState (SWI &400FA)
  • Wimp_Extend (SWI &400FB)
  • Wimp_ResizeIcon (SWI &400FC)
  • Messages
    • Wimp messages
  • * Commands
  • *Configure WimpFont
  • *WimpKillSprite

Volume 5a: Chapter 126: Drag An Object

• Drag An Object
  • Introduction and Overview
  • SWI calls
  • DragAnObject_Start (SWI &49C40)
  • DragAnObject_Stop (SWI &49C41)
  • Example programs
    • SWI renderer
    • Code renderer

Volume 5a: Chapter 127: Draw file renderer

• Draw file renderer
  • Introduction and Overview
  • Technical details
    • Differences between DrawFile output and !Draw output
    • Errors
  • Service calls
  • Service_DrawObjectRender (Service Call &45540)
  • Service_DrawObjectDeclareFonts (Service Call &45541)
  • SWI calls
  • DrawFile_Render (SWI &45540)
  • DrawFile_BBox (SWI &45541)
  • DrawFile_DeclareFonts (SWI &45542)
  • * Commands
  • *Render

Volume 5a: Chapter 128: RISC OS boot applications

• RISC OS boot applications
  • Introduction and Overview
  • Technical details
    • Writing to a boot application
    • Starting the boot application
    • Environment set up
    • Loading CMOS
    • Files used before the desktop is started
    • The PreDesktop file
    • The PreDesk directory
    • Files used once the desktop is started
    • The Desktop file
    • The Tasks directory
    • Storing application choices
    • Changes to existing * Commands
    • The BootCommands module
  • * Commands
  • *AddApp
  • *AppSize
  • *Do
  • *FontMerge
  • *IfThere
  • *LoadCMOS
  • *Repeat
  • *SafeLogon

Volume 5a: Chapter 129: The colour picker

• The colour picker
  • Introduction and Overview
    • Terminology used
  • Technical details
    • How the colour picker works
    • Typical usage
    • SWIs and messages used
    • Dialogue types
    • Colour descriptors
    • Wimp events and the client
  • Service Calls
  • Service_ColourPickerLoaded (Service Call &93)
  • SWI calls
  • ColourPicker_RegisterModel (SWI &47700)
  • ColourPicker_DeregisterModel (SWI &47701)
  • ColourPicker_OpenDialogue (SWI &47702)
  • ColourPicker_CloseDialogue (SWI &47703)
  • ColourPicker_UpdateDialogue (SWI &47704)
  • ColourPicker_ReadDialogue (SWI &47705)
  • ColourPicker_SetColour (SWI &47706)
  • ColourPicker_HelpReply (SWI &47707)
  • ColourPicker_ModelSWI (SWI &47708)
  • Messages
    • Colour picker messages
  • * Commands
  • *ModelList

Volume 5a: Chapter 130: Printing

• Printing
  • Introduction
  • Overview
    • Trapping of output calls
    • SpriteV
    • JPEG SWIs
  • Technical details
    • The structure of the printing system
    • Colour input
    • New strip types
    • Pre-scanning of rectangles
    • New SWIs
    • Changes to existing SWIs
    • PostScript restriction on 16 or 32bpp sprites with a mask
    • New palette file format in PDumperSupport
  • SWI Calls
  • PDriver_MiscOp (SWI &8015A)
  • PDriver_JPEGSWI (SWI &8015D)

Volume 5a: Chapter 131: Internationalisation

• Internationalisation
  • Introduction and Overview
    • International module
    • Territory manager
    • New MessageTrans SWI
  • SWI calls
  • MessageTrans_Dictionary (SWI &41509)

Volume 5a: Chapter 132: Sound

• Sound
  • Introduction and Overview
    • Hardware
  • Technical details
    • 8 bit sound output
    • 16 bit sound output
    • Changes to existing SWIs
    • Linear handlers
  • SWI calls
  • Sound_Mode (SWI &40144)
  • Sound_Mode 0 (SWI &40144)
  • Sound_Mode 1 (SWI &40144)
  • Sound_LinearHandler (SWI &40145)
  • Sound_LinearHandler 0 (SWI &40145)
  • Sound_LinearHandler 1 (SWI &40145)
  • Sound_SampleRate (SWI &40146)
  • Sound_SampleRate 0 (SWI &40146)
  • Sound_SampleRate 1 (SWI &40146)
  • Sound_SampleRate 2 (SWI &40146)
  • Sound_SampleRate 3 (SWI &40146)
  • * Commands
  • *Configure SoundSystem

Volume 5a: Chapter 133: CompressJPEG

• CompressJPEG
  • Introduction and Overview
  • Technical details
    • How JPEG images are compressed
  • SWI calls
  • CompressJPEG_Start (SWI &4A500)
  • CompressJPEG_WriteLine (SWI &4A501)
  • CompressJPEG_Finish (SWI &4A502)
  • Example program

Volume 5a: Chapter 134: Expansion card support

• Expansion card support
  • Introduction and Overview
  • Technical details
    • Using EASI space
    • The network card
    • ROM sections
    • Changes to the combined hardware address
    • Simple expansion card descriptions
    • New chunk type for device data
  • SWI calls
  • Podule_ReadInfo (SWI &4028D)
  • Podule_SetSpeed (SWI &4028E)
  • Application Notes

Volume 5a: Chapter 135: Joystick module

• Joystick module
  • Introduction and Overview
  • Technical details
    • Changes to existing SWIs
    • New SWIs
    • Acorn I/O expansion card compatibility
  • SWI calls
  • OS_Byte 16 (SWI &06)
  • OS_Byte 17 (SWI &06)
  • OS_Byte 128, 0-4 (SWI &06)
  • OS_Byte 188 (SWI &06)
  • OS_Byte 189 (SWI &06)
  • OS_Byte 190 (SWI &06)
  • Joystick_Read (SWI &43F40)
  • Joystick_Read 0 (SWI &43F40)
  • Joystick_Read 1 (SWI &43F40)
  • Joystick_CalibrateTopRight (SWI &43F41)
  • Joystick_CalibrateBottomLeft (SWI &43F42)

Volume 5a: Chapter 136: Monitor power saving

• Monitor power saving
  • Introduction and Overview
  • Technical Details

Volume 5a: Chapter 137: The Toolbox modules

• The Toolbox modules
  • Introduction and Overview
    • Advantages of the Toolbox
    • Toolbox modules in RISC OS
    • Toolbox documentation
    • Writing applications to use the Toolbox

Volume 5a: Chapter 138: Appendix A: Warnings on the use of ARM assembler

• Appendix A: Warnings on the use of ARM assembler

Volume 5a: Chapter 139: Appendix B: File formats

• Appendix B: File formats
  • Draw files
    • Objects

Volume 5a: Chapter 140: Appendix C: Errata and omissions for RISC OS 3 PRM

• Appendix C: Errata and omissions for RISC OS 3 PRM

RISC OS 3 Programmer's Reference Manual: Index

• RISC OS 3 Programmer's Reference Manual