RISC OS Programmers Reference ManualsIndex (Services)

NumberServicesServicesDescriptionSectionPage
&DCAPCSBacktrace0 - BacktraceRequestAPCSBacktrace (&DC) 0 - BacktraceRequestAn APCS Backtrace has been requestedSharedCLibrary
&DCAPCSBacktrace1 - RegisterDumpAPCSBacktrace (&DC) 1 - RegisterDumpAn APCS Backtrace is in progress and a register dump needs to be writtenSharedCLibrary
&DCAPCSBacktrace2 - BacktraceDumpAPCSBacktrace (&DC) 2 - BacktraceDumpAn APCS Backtrace is in progress and the backtrace needs to be writtenSharedCLibrary
&DCAPCSBacktrace10 - DecodeNameAPCSBacktrace (&DC) 10 - DecodeNameRequest to decode a function name into a displayable formatSharedCLibrary
&DCAPCSBacktrace20 - MiniDumpCreatedAPCSBacktrace (&DC) 20 - MiniDumpCreatedNotification to clients that a MiniDump has been createdSharedCLibrary
&9DDCIDriverStatus2 - LinkActiveDCIDriverStatus (&9D) 2 - LinkActiveNotification that the link provided by a DCI driver has become activeDCI Driver Link Status
&9DDCIDriverStatus3 - LinkInactiveDCIDriverStatus (&9D) 3 - LinkInactiveNotification that the link provided by a DCI driver has become inactiveDCI Driver Link Status
&E2DeviceReregisterDeviceReregister (&E2)The core IRQ handler has initialised; devices should re-registerHardware IRQ handler
&DEDisplayChangedDisplayChanged (&DE)The display has been changedDisplay changes
&DFDisplayStatusDisplayStatus (&DF)The state of a display driver has changedDisplay changes
&45540DrawObjectRenderDrawObjectRender (&45540)Draw object render (changes for colour mapping)ColourMapping in Drawfiles
&D6HelpQueryHelpQuery (&D6)A help query has been made for a keyword which the OSCommands module does not resolveHelp extensions
&80D41ImageFileRender_DyingImageFileRender_Dying (&80D41)ImageFileRenderer about to finaliseImage file renderer
&80D42ImageFileRender_RendererChangedImageFileRender_RendererChanged (&80D42)A renderer has initialised or finalisedImage file renderer
&80D40ImageFileRender_StartedImageFileRender_Started (&80D40)ImageFileRenderer has initialisedImage file renderer
&B0InternetStatus&40InternetStatus (&B0) &40RouterDiscovery has changed its host behaviour for an interfaceRouterDiscovery
&B0InternetStatus&41InternetStatus (&B0) &41RouterDiscovery has changed its router behaviour for an interfaceRouterDiscovery
&B0InternetStatus&42InternetStatus (&B0) &42RouterDiscovery has changed the routeRouterDiscovery
&B0InternetStatus4 - BootPReplyInternetStatus (&B0) 4 - BootPReplyResponse received for BootP/DHCP requestDHCPClient
&B0InternetStatus5 - DHCPOfferInternetStatus (&B0) 5 - DHCPOfferDHCPOffer has been receivedDHCPClient
&B0InternetStatus8InternetStatus (&B0) 8Duplicate Internet address detectedInternet address collision
&B0InternetStatus32 - ZeroConfAddressAcquiredInternetStatus (&B0) 32 - ZeroConfAddressAcquiredAddress has been acquired by the ZeroConf moduleZeroConf
&B0InternetStatus33 - ZeroConfAddressLostInternetStatus (&B0) 33 - ZeroConfAddressLostAddress has been lost by the ZeroConf moduleZeroConf
&B0InternetStatus48 - DHCPLeaseGainedInternetStatus (&B0) 48 - DHCPLeaseGainedDHCP address has been configured on an interfaceDHCPClient
&B0InternetStatus49 - DHCPLeaseLostInternetStatus (&B0) 49 - DHCPLeaseLostDHCP address has been removed from an interfaceDHCPClient
&A2MBufManagerStatus2 - ScavengeMBufManagerStatus (&A2) 2 - ScavengeRequest that clients release spare MBufsMBufManager
&B9ModulePreInitModulePreInit (&B9)A module is about to be initialisedOS_Module changes
&D8ModuleStatusModuleStatus (&D8)Significant event has occurred to a moduleOS_Module changes
&8APortablePortable (&8A)Portable state change request, or informationThe Portable module
&8APortable0 - Portable_PowerDownPortable (&8A) 0 - Portable_PowerDownHardware is about to be powered downThe Portable module
&8APortable1 - Portable_PowerUpPortable (&8A) 1 - Portable_PowerUpHardware has been powered upThe Portable module
&8APortable3 - Portable_FreezingPortable (&8A) 3 - Portable_FreezingDevice is about to enter a stopped state (frozen)The Portable module
&8APortable4 - Portable_AwakenedPortable (&8A) 4 - Portable_AwakenedDevice has left stopped state (awakened)The Portable module
&8APortable5 - Portable_StopRequestPortable (&8A) 5 - Portable_StopRequestDevice wishes to be stopped (frozen)The Portable module
&DDRTCSynchronisedRTCSynchronised (&DD)Real time clock has been synchronisedReal Time Clock
&A6RedrawManagerDyingRedrawManagerDying (&A6)The Redraw Manager is about to dieRendering into Windows
&A5RedrawManagerInstalledRedrawManagerInstalled (&A5)The Redraw Manager has startedRendering into Windows
&27ResetReset (&27)Clears the remembered desktop task handleSysLog module
&801C8SharingSharing (&801C8)Change to shared directoriesShareFS module
&54SoundSound (&54)Notifies of, and allows limited control of, changes within the sound systemSoundDMA system information and controllers
&54Sound8 - SoundConfigChangingSound (&54) 8 - SoundConfigChangingThe sound system's sample rate or buffer size has changedSoundDMA system information and controllers
&54Sound9 - SoundEnabledSound (&54) 9 - SoundEnabledThe sound system has been enabledSoundDMA system information and controllers
&54Sound10 - SoundDisabledSound (&54) 10 - SoundDisabledThe sound system has been disabledSoundDMA system information and controllers
&54Sound11 - SoundAutoTuneSound (&54) 11 - SoundAutoTuneThe SoundChannels module's automatic sample-rate tuning has been enabled or disabledSoundDMA system information and controllers
&E1SpriteReregisterSpriteReregister (&E1)SpriteExtend has claimed SpriteV; extensions should registerSpriteV claimants
&49StartWimpStartWimp (&49)Requests startup of the desktop SysLog taskSysLog module
&4AStartedWimpStartedWimp (&4A)Clears a failed desktop-start placeholderSysLog module
&A1StatisticEnumerateStatisticEnumerate (&A1)List available statistic suppliersDCI4 Statistic Interface
&42680TaskManagerAcknowledgementsTaskManagerAcknowledgements (&42680)Broadcast to gather or refresh software acknowledgementsTask Manager
&44EC0ToolboxSubMenuToolboxSubMenu (&44EC0)Sub-menu notification and linkingSub-Menus
&44EC0ToolboxSubMenu0 - ToolboxSubMenu_WarningToolboxSubMenu (&44EC0) 0 - ToolboxSubMenu_WarningA sub-menu is about to openSub-Menus
&44EC0ToolboxSubMenu1 - ToolboxSubMenu_LinkToolboxSubMenu (&44EC0) 1 - ToolboxSubMenu_LinkRequest to link a sub-menu into the current menu treeSub-Menus
&B7UKCompression2 - NonAIFExecutionUKCompression (&B7) 2 - NonAIFExecutionNon-AIF file executionCode execution changes
&B7UKCompression3 - 26bitOn32bitUKCompression (&B7) 3 - 26bitOn32bit26bit on 32bit executionCode execution changes
&B7UKCompression4 - DebuggerStateUKCompression (&B7) 4 - DebuggerStateDebugger stateCode execution changes
&A7URIURI (&A7)events issued by URI handlerURI Handler specification
&A7URI0 - StartedURI (&A7) 0 - StartedURI handler startedURI Handler specification
&A7URI1 - DyingURI (&A7) 1 - DyingURI handler dyingURI Handler specification
&A7URI2 - ProcessURI (&A7) 2 - Processprocess or check URIURI Handler specification
&A7URI3 - ReturnResultURI (&A7) 3 - ReturnResultreturn result of a dispatchURI Handler specification
&83E00URLModuleURLModule (&83E00)Communicates AcornSSL module lifecycle eventsAcornSSL module
&83E00URLProtocolModuleURLProtocolModule (&83E00)Communicate important events to protocol modulesURL Fetcher specification
&83E00URLProtocolModule0 - UrlModuleStartedURLProtocolModule (&83E00) 0 - UrlModuleStartedURL module has initialisedURL Fetcher specification
&83E00URLProtocolModule1 - UrlModuleDyingURLProtocolModule (&83E00) 1 - UrlModuleDyingURL module is dyingURL Fetcher specification
&83E01URLProtocolModule_ProtocolModuleURLProtocolModule_ProtocolModule (&83E01)A protocol module has registered or deregisteredURL Fetcher specification
&53WimpCloseDownWimpCloseDown (&53)Flushes buffered log output during Wimp shutdownSysLog module
&85WimpSpritesMovedWimpSpritesMoved (&85)The Wimp sprite pools have changedPriority sprite pool
&400C3WimpToolSpritesChangedWimpToolSpritesChanged (&400C3)The Tool sprite area has changedTool sprites
&48481ZapRedrawDyingZapRedrawDying (&48481)ZapRedraw is about to quitZapRedraw module
&48480ZapRedrawStartedZapRedrawStarted (&48480)ZapRedraw has startedZapRedraw module