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Emulation » Archimedes » BBC Micro TechDocs » Acorn RiscPC » Acorn A4 Laptop » Acorn A7000 » Archimedes A5000 » Archimedes A4000 » Archimedes A30x0 » Archimedes A3000 » Archimedes A680 » Archimedes A540 » Archimedes A4x0 » Archimedes A3x0 » BBC Master Compact » BBC Master 128 » BBC Micro » Acorn Atom » Acorn Electron Clubs » WROCC » ROUGOL » MUG » BigBenClub.nl Shows » RISC OS North » RISC OS London » RISC OS SouthWest Other Sites » RISC OS Open » StarDot (Discord) » Archimedes Archive » Arc Wiki » RISCOSitory news » The Icon Bar news Vector                    No     Description of vector UserV                    00     User (reserved) ErrorV                    01     Error (OS_GenerateError) IrqV          02     Unknown interrupt WrchV          03     Write character (OS_WriteC) RdchV                    04     Read character (OS_ReadC) CLIV                    05     Command line interpreter (OS_CLI) ByteV                    06     OS_Byte indirection (OS_Byte) WordV                    07     OS_Word indirection (OS_Word) FileV                    08     File read/write (OS_File) ArgsV                    09     File arguments read/write (OS_Args) BGetV                    0A     File byte read (OS_BGet) BPutV                    0B     File byte put (OS_BPut) GBPBV                    0C     File byte block get/put (OS_GBPB) FindV                    0D     File open (OS_Find) ReadLineV               0E     Read a line of text (OS_ReadLine) FSControlV               0F     Filing system control (OS_FSControl) EventV          10     Event vector (OS_GenerateEvent) KeyV          13     Key vector InsV          14     Buffer insert (OS_Byte 138) RemV          15     Buffer remove (OS_Byte 145) CnpV          16     Count/Purge Buffer (OS_Byte 21 & 152) UKVDU23V     17     Unknown VDU23 (OS_WriteC etc.) UKSWIV          18     Unknown SWI (SWI) UKPLOTV     19     Unknown VDU25 (OS_Plot) MouseV                    1A     Mouse (OS_Mouse) VDUXV          1B     VDU extension vector (OS_WriteC etc.) TickerV     1C     100Hz pacemaker UpCallV     1D     Warning vector ChangeEnvironmentV          1E     Environment change (OS_ChangeEnvironment) SpriteV                    1F     OS_SpriteOp indirection DrawV                    20     Draw SWI (Draw_xx) EconetV     21     Econet activity (Econet_xx) ColourV     22     ColourTrans SWI (ColourTrans_xx) PaletteV     23     Read/Write palette vector SerialV                    24     Serial operation (OS_SerialOp) FontV                    25     Font manager PointerV     26     Mouse drivers TimeShareV                    27     Acorn TimeCode multimedia subsystem LowPriorityEventV                    28     For future expansion FastTickerV                    29     Like TickerV, but faster GraphicsV                    2A     Graphics hardware abstraction (5.00+) UnthreadV                    2B     Call back after interrupt (5.08+) Reserved                    2C SeriousErrorV                    2D     Pre handling of errors with bit 31 set Reserved                    2E-2F [sh-index] Back to list of manuals