RISC OS Programmers Reference ManualsIndex (Vectors)

NumberVectorsVectorsDescriptionSectionPage
&10EventV21,4 - ExpansionMouseScrollEventV (&10) 21,4 - ExpansionMouseScrollScroll event has been triggered by the userPointer devices
&3ENVRAMVNVRAMV (&3E)Operations on non-volatile memory used for configurationNVRAM vector
&3ENVRAMV0 - FillCacheNVRAMV (&3E) 0 - FillCachePopulate the cache with NVRAM dataNVRAM vector
&3ENVRAMV1 - ReadByteNVRAMV (&3E) 1 - ReadByteRead a single value from NVRAMNVRAM vector
&3ENVRAMV2 - WriteByteNVRAMV (&3E) 2 - WriteByteWrite a single value to NVRAMNVRAM vector
&38PointerV4 - ExtendedRequestPointerV (&38) 4 - ExtendedRequestRequest information about the current pointing device positionPointer devices
&3FRTCVRTCV (&3F)Abstracted interface to the real time clockReal Time Clock vector
&3FRTCV0 - ReadTimeRTCV (&3F) 0 - ReadTimeRead time from hardware Real Time ClockReal Time Clock vector
&3FRTCV1 - WriteTimeRTCV (&3F) 1 - WriteTimeUpdate hardware Real Time Clock with a new valueReal Time Clock vector
&2CVideoVVideoV (&2C)Graphics operation abstractionVideo drivers
&2CVideoV0 - Text_ChangeDestinationVideoV (&2C) 0 - Text_ChangeDestinationNotifies the text system when redirection occursVideo drivers
&2CVideoV1 - Text_DefineCharVideoV (&2C) 1 - Text_DefineCharDefines the bitmap of a text characterVideo drivers
&2CVideoV2 - Text_SetTextColourVideoV (&2C) 2 - Text_SetTextColourChange the colour used for rendering textVideo drivers
&2CVideoV3 - Text_WriteTextCharVideoV (&2C) 3 - Text_WriteTextCharRender a character on the screenVideo drivers
&2CVideoV4 - Text_TextCursorVideoV (&2C) 4 - Text_TextCursorRender a cursor on the screenVideo drivers
&2CVideoV5 - Text_ClearBoxVideoV (&2C) 5 - Text_ClearBoxClear a region of the screen for textVideo drivers
&2CVideoV16 - Graf_SetColour1VideoV (&2C) 16 - Graf_SetColour1Selects a colour to use as the primary drawing colourVideo drivers
&2CVideoV17 - Graf_SetColour2VideoV (&2C) 17 - Graf_SetColour2Selects a colour to use as the secondary drawing colour (background)Video drivers
&2CVideoV18 - Graf_ChangeDestinationVideoV (&2C) 18 - Graf_ChangeDestinationNotifies the graphics system when redirection occursVideo drivers
&2CVideoV19 - Graf_ChangeBaseVideoV (&2C) 19 - Graf_ChangeBaseNotifies the graphics system that the destination base has changedVideo drivers
&2CVideoV20 - Graf_ReadPrimitivesVideoV (&2C) 20 - Graf_ReadPrimitivesRead primitive operations to use for the current outputVideo drivers
&2CVideoV21 - Graf_RectangleVideoV (&2C) 21 - Graf_RectangleRender a rectangleVideo drivers
&2CVideoV22 - Graf_TriangleVideoV (&2C) 22 - Graf_TriangleRender a triangleVideo drivers
&2CVideoV23 - Graf_ParallelogramVideoV (&2C) 23 - Graf_ParallelogramRender a parallelogramVideo drivers
&2CVideoV24 - Graf_BlockCopyVideoV (&2C) 24 - Graf_BlockCopyCopy a rectangleVideo drivers
&2CVideoV25 - Graf_CircleOutlineVideoV (&2C) 25 - Graf_CircleOutlineRender the outline of a circleVideo drivers
&2CVideoV26 - Graf_CircleFillVideoV (&2C) 26 - Graf_CircleFillRender a filled circleVideo drivers
&2CVideoV27 - Graf_CircleArcVideoV (&2C) 27 - Graf_CircleArcRender the outline of an circle arcVideo drivers
&2CVideoV28 - Graf_CircleSegmentVideoV (&2C) 28 - Graf_CircleSegmentRender a filled segment of a circleVideo drivers
&2CVideoV29 - Graf_CircleSectorVideoV (&2C) 29 - Graf_CircleSectorRender a filled sector of a circleVideo drivers
&2CVideoV30 - Graf_EllipseOutlineVideoV (&2C) 30 - Graf_EllipseOutlineRender the outline of an ellipseVideo drivers
&2CVideoV31 - Graf_EllipseFillVideoV (&2C) 31 - Graf_EllipseFillRender a filled ellipseVideo drivers
&2CVideoV32 - Graf_FillRightVideoV (&2C) 32 - Graf_FillRightFill a line right from a positionVideo drivers
&2CVideoV33 - Graf_FillLeftAndRightVideoV (&2C) 33 - Graf_FillLeftAndRightFill a line left and right from a positionVideo drivers
&2CVideoV34 - Graf_FillFloodVideoV (&2C) 34 - Graf_FillFloodFlood fill a regionVideo drivers
&2CVideoV35 - Graf_PolyHLineVideoV (&2C) 35 - Graf_PolyHLineFill multiple horizontal linesVideo drivers
&2CVideoV512 - Pointer_DefineVideoV (&2C) 512 - Pointer_DefineDefine a pointer shapeVideo drivers
&2CVideoV513 - Pointer_SelectVideoV (&2C) 513 - Pointer_SelectSelect a pointer for useVideo drivers
&2CVideoV514 - Pointer_UpdateVideoV (&2C) 514 - Pointer_UpdateUpdates the location of the pointer on the screenVideo drivers
&2CVideoV515 - Pointer_RemoveVideoV (&2C) 515 - Pointer_RemoveRemoves the pointer from the screenVideo drivers
&2CVideoV516 - Pointer_SetPaletteVideoV (&2C) 516 - Pointer_SetPaletteSet a colour used by the pointerVideo drivers
&2CVideoV768 - Mode_VetModeVideoV (&2C) 768 - Mode_VetModeCheck the validity of a modeVideo drivers
&2CVideoV769 - Mode_SetModeVideoV (&2C) 769 - Mode_SetModeSelect a screen mode for useVideo drivers
&2CVideoV770 - Mode_ScrollVideoV (&2C) 770 - Mode_ScrollHardware scroll of the displayVideo drivers
&2CVideoV771 - Mode_SetPaletteVideoV (&2C) 771 - Mode_SetPaletteChange displayed colours in paletted modesVideo drivers
&2CVideoV772 - Mode_EnableVideoV (&2C) 772 - Mode_EnableEnable display hardwareVideo drivers
&2CVideoV773 - Mode_DisableVideoV (&2C) 773 - Mode_DisableDisable display hardwareVideo drivers
&2CVideoV774 - Mode_PowerSaveVideoV (&2C) 774 - Mode_PowerSaveSelect a power saving mode for the displayVideo drivers
&2CVideoV775 - Mode_SetRGBTableVideoV (&2C) 775 - Mode_SetRGBTableModify RGB mapping tables (gamma tables)Video drivers
&2CVideoV776 - Mode_AccelConfigureVideoV (&2C) 776 - Mode_AccelConfigureConfigure acceleration optionsVideo drivers
&2CVideoV777 - Mode_AccelControlVideoV (&2C) 777 - Mode_AccelControlImmediate control operations for accelerationVideo drivers
&2CVideoV778 - Mode_DisplaySelectVideoV (&2C) 778 - Mode_DisplaySelectSelect a display for useVideo drivers
&2CVideoV800 - Mode_BankCountVideoV (&2C) 800 - Mode_BankCountRead number of supported screen banksVideo drivers
&2CVideoV801 - Mode_BankDisplayVideoV (&2C) 801 - Mode_BankDisplayChange the displayed screen bankVideo drivers
&2CVideoV802 - Mode_BankDriverVideoV (&2C) 802 - Mode_BankDriverChange the screen bank used by VDU driversVideo drivers
&2CVideoV803 - Mode_BankCopyVideoV (&2C) 803 - Mode_BankCopyCopy a screen bankVideo drivers
&2CVideoV1024 - TTX_InitVideoV (&2C) 1024 - TTX_InitInitialise teletext modeVideo drivers
&2CVideoV1025 - TTX_ClearBoxVideoV (&2C) 1025 - TTX_ClearBoxClear a region of the displayVideo drivers
&2CVideoV1026 - TTX_UpdateVideoV (&2C) 1026 - TTX_UpdateUpdate the frame buffer with teletext changesVideo drivers
&2CVideoV1027 - TTX_WriteCharVideoV (&2C) 1027 - TTX_WriteCharWrite a character to the teletext screenVideo drivers
&2CVideoV1028 - TTX_ScrollVideoV (&2C) 1028 - TTX_ScrollScroll a region of the teletext bufferVideo drivers
&2CVideoV1029 - TTX_FlashStateVideoV (&2C) 1029 - TTX_FlashStateChange the flash state of the teletext bufferVideo drivers
&2CVideoV1030 - TTX_ReadCharVideoV (&2C) 1030 - TTX_ReadCharRead a character from the teletext bufferVideo drivers
&2CVideoV1031 - TTX_TextCursorVideoV (&2C) 1031 - TTX_TextCursorInvert the text cursor in the teletext screenVideo drivers
&2CVideoV1032 - TTX_SetQualityVideoV (&2C) 1032 - TTX_SetQualityChange the quality of teletext renderingVideo drivers
&2CVideoV1033 - TTX_RevealStateVideoV (&2C) 1033 - TTX_RevealStateChange the reveal state for hidden charactersVideo drivers