RISC OS SWI Number Block Summary
                    ================================

Number  Name                  Reference
----------------------------------------------------
&00000  OS                    PRM
&00040  OS                    PRM
&000C0  OS                    PRM
&00100  OS                    PRM
&00140  OS                    PRM
&00180  OS                    PRM
&001C0  OS                    PRM
&00200  FileSwitch            Arthur
&00240  IIC                   PRM
&00280  Cache                 PRM
&002C0                        

&40000  Econet                PRM
&40040  NetFS                 PRM
&40080  Font                  PRM
&400C0  Wimp                  PRM
&40100  HostFS                Arthur
&40140  Sound                 PRM
&40180  Sound1                Arthur
&401C0  Sound2                Arthur
&40200  NetPrint              PRM
&40240  ADFS                  PRM
&40280  Podule                PRM
&402C0  PCEmMod (*ARMPC)
&40300  WaveSynth             Arthur
&40340  IEEE                  Arthur
&40380  Debugger              PRM
&403C0  SCSIDriver            Arthur
&40400  VFS                   Arthur
&40440  VideoCommand          Arthur
&40480  FPEmulator            PRM
&404C0  MIDI                  Arthur
&40500  IO_Podule             Arthur
&40540  FileCore              PRM
&40580  Version               Arthur
&405C0  Shell                 PRM
&40600  II16BitPIO            Arthur
&40640  II12BitADC            Arthur
&40680  IIRS423               Arthur
&406C0  Hourglass             PRM
&40700  Draw                  PRM
&40740  ColourTrans           PRM
&40780  RamFS                 PRM
&407C0  UnixFS                Arthur
&40800  DigiTape              Arthur
&40840
&40880
&408C0
&40900
&40940
&40980
&409C0
&40A00  MouseFix

&40D80  Super                 PRM

&40F80  FilerAction           PRM

&41100      
&41140      
&41180      
&411C0
&41200  Socket                PRM
&41240  CD                    PRM
&41280      
&412C0      

&41500  MessageTrans          PRM

&41A00
&41A40
&41A80
&41AC0  MultiFS (early DOSFS) PRM
&41B00  PDumper               PRM
&41B40  ResourceFS            PRM
&41B80      
&41BC0      
&41C00
&41C40  Mus
&41C80
&41CC0

&41E00
&41E40
&41E80  CDFS                  PRM
&41EC0

&42400  DragASprite           PRM
&42440
&42480
&424C0
&42500
&42540
&42580  DDEUtils              PRM
&425C0
&42600
&42640  Filter                PRM
&42680  TaskManager           PRM
&426C0
&42700  Squash                PRM
&42740  DeviceFS              PRM
&42780      
&427C0      

&42900
&42940  Buffer                PRM
&42980
&429C0

&42C00
&42C40
&42C80  BASICTrans            PRM
&42CC0

&42E00
&42E40
&42E80
&42EC0  Parallel              PRM
&42F00
&42F40
&42F80
&42FC0  Portable              PRM

&43000
&43040  Territory             PRM
&43080
&430C0
&43100  ScreenBlanker         PRM
&43140
&43180
&431C0

&43300
&43340
&43380  TaskWindow            PRM
&433C0
&43400
&43440  MakePSFont            PRM
&43480
&434C0

&43700
&43740
&43780
&437C0  ArcFS

&43B00  KeyExtend
&43E80  VideoTex
&43F40  Joystick              PRM

&44300  VProtect              PRM
&444C0  Free                  PRM
&44780  FSLock                PRM
&44B00  DOSFS                 PRM
&44EC0  Toolbox               PRM

&45540  DrawFile              PRM
&45880  DSym

&45B80
&45BC0  MenuUtil
&45C00  EtherLan8Bit
&45C40

&46000  DNSResolver
&46040
&46080
&460C0
&46100
&46140  DMA                   PRM

&46300  EtherR
&46440  Internet              PRM
&465C0  FontWindow
&46900  HostFS
&46C40  DateUtils
&46FC0  VSound

&47580  SLCD
&47700  ColourPicker          PRM
&47740  EtherM
&47980  RemotePrinterSupport  PRM
&47A80  Freeway               PRM
&47AC0  ShareFS               PRM
&47C40  ARCbbsPipes

&48480  ZapRedraw
&487C0  ScreenModes           PRM
&48A00  ArcFSMemMan

&49800
&49840  ZeriRegister
&49880  ZeriWimpUtils
&498C0  ZeriLocal
&49900
&49940
&49980  JPEG                  PRM
&499C0
&49C40  DragAnObject          PRM

&4A3C0  Dynamite
&4A500  CompressJPEG          PRM
&4A540
&4A580  Mbuf                  PRM
&4A5C0
&4A740  ATAPI                 PRM
&4AF40  ArcPPP
&4AF80  HTTP

&4BF40  InverseTable          PRM
            
&4C300      
&4C340      
&4C380
&4C3C0  FSCK                  PRM
&4C400
&4C440
&4C480  6502                  6502Em
&4C4C0  Z80                   Z80Em
&4C880  SysLog
&4CC40  Gdbm
&4CE40  ImageDFS              PRM

&4D140  PlayIt

&4E440  TTX

&4EA00  ShrinkWrap

&4F300  ServerEvent
&4F700  DigitalRenderer
&4FFF0  Z88FS

&50100  BPlot
&50B00  MimeMap               PRM

&51C00  ESocket               EasySockets, Justin Fletcher

&52280  SocketWatch           PRM

&546C0  CPMFS
&54900  HADFS                 J.G.Harston
&54940  Z80Tube               Z80Tube, J.G.Harston

&55080  RBMemMgr
&55900  AppStat
&55C80  SharedUnixLibrary
&55E40  ZeriBeep              PRM

&584C0  PDPTube               PDPTube, J.G.Harston
&58500  32Tube                32Tube, J.G.Harston

&80000  MMS (*Mail)
&80040  NetMonitor            Arthur
&80080  Spell (*ComputerConcepts)
&800C0  MinervaSystemDelta    Arthur
&80100  VIP                   Arthur
&80140  PDriver
&80180  EdinburghSWProducts   Arthur
&801C0  Clares1               Arthur
&80200  Clares2               Arthur
&80240  Clares3               Arthur
&80280  Clares4               Arthur
&802C0  FrameGrabber          Arthur
&80300  MinervaRAMmanager     Arthur
&80340  MinervaSystemGamma    Arthur
&80380  MinervaSystemSigma    Arthur
&803C0  MinervaInternalUtils  Arthur
&80400  PCEmulation           Arthur
&80440  ROMCache              65Host
&80480  SmallTalk             Arthur
&804C0  MyoLink               Arthur
&80500  Sampler               Arthur
&80540  FFT                   Arthur
&80580  VIPF                  Arthur
&805C0  FontAidPrint          Arthur
&80600  AIIV                  Arthur
&80640  Euclid
&80680  SharedCLibrary        PRM
&806C0  Colours               Arthur
&80700  CCWord                Arthur
&80740  CCDraw                Arthur
&80780  Finesse               Arthur
&807C0  Sibelius              Arthur
&80800  FAXPack               Arthur
&80840  CED                   Arthur
&80880  Servo                 Arthur
&808C0  TaskModule            Arthur
&80900  HindiWP               Arthur
&80940  AutoCue               Arthur
&80980  RTGL                  Arthur
&809C0  CAD1                  Arthur
&80A00  CAD2                  Arthur
&80A40  Playback              Arthur
&80A80  WildVision            Arthur
&80AC0
&80B00
&80B40
&80B80  ABCLib
&80BC0

&80DC0  CPCLib

&80E40  WimpManager

&81680  Interface

&82800
&82840
&82880  Window
&828C0  Menu
&82900  Iconbar
&82940
&82980  ColourMenu            PRM
&829C0  ColourDbox            PRM
&82A00  FontDbox              PRM
&82A40  FontMenu              PRM
&82A80  DCS                   PRM
&82AC0  FileInfo              PRM
&82B00  PrintDbox             PRM
&82B40  ProgInfo              PRM
&82B80
&82BC0  SaveAs                PRM
&82C00  Scale                 PRM
&82C40  TinySupport           PRM
&82C80
&82CC0
&82D00  ThreeTen              PRM
&82D40      
&82D80      
&82DC0      

&83640  WebGopher
&83BC0  WebFTP
&83F40  FileURL               PRM

&84600  ANTterm
&848C0  Ethereal

&8F040  EcoFast

&C0080  SLIPdriver
&C0280  SlidingHeap

&C4700  GraphTask

&CCFC0  FileBuffer

&CD180  LZWB

&CD2C0  Borders

&CEF00  ZXSound               MZX

&CF800  Spec128               Spec128

&DCB80  CAssembler
&DE080  AYSound               Z80Em
&DFF80  BASICTools

&140180 TextGadgets

Sources
-------
PRM    = Programmer's Reference Manual
Arthur = Arthur headers