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General Functions - Subroutine Descriptions

Group SC : Screen Manipulation Routines

Name	Description
IScreenBackground	Fill screen with a 'desktop' background pattern
IScreenBell	Enable/disable/ring the bell
IScreenBuffer	Enable/disable/flush screen output buffer
IScreenClose	Terminate INTERACTER screen handling
IScreenCode	Specify codes to select VT/Tek text/graphics modes
IScreenCopy	Copy a block of screen text into a character array
IScreenDump	Dump screen to a printer or print file
IScreenDumpOptions	Define screen dump options (page size, position, etc.)
IScreenGet	Save text screen in an internal buffer
IScreenLoadImage	Load a previously saved screen from disk
IScreenMode	Select screen mode by resolution & colours
IScreenModeN	Select screen mode by number
IScreenModeOptions	Specify screen mode selection options
IScreenOpen	Initialise INTERACTER screen handling
IScreenPaste	Paste a block of screen text from a character array
IScreenPut	Restore a text screen saved by IScreenGet
IScreenSaveImage	Save screen to disc
IScreenScroll	Scroll or clear a number of screen lines
IScreenTitle	Set text/graphics window titles in windowing environment

Name	Description
InfoAttribute	Return text attributes information
InfoCursor	Return current/saved cursor positions
InfoDeviceName	Return printer/plotter descriptions
InfoError	Return error information
InfoErrorMessage	Return error message string
InfoField	Return information about a specified form field
InfoFilename	Return default filenames
InfoForm	Return Forms Manager information
InfoFormMenu	Return option strings from specified form menu field
InfoFrame	Return text frame styles/options
InfoGraphics	Return real graphics mode information
InfoGrHardcopy	Return graphics facilities information (hardcopy)
InfoGrid	Return Grid Manager information
InfoGrPalette	Return graphics palette information
InfoGrScreen	Return graphics facilities information (screen)
InfoHardware	Return hardware information
InfoInput	Return keyboard input facilities information
InfoOpSystem	Return operating system related information
InfoPgInteger	Return presentation graphics information (integer)
InfoPgReal	Return presentation graphics information (real)
InfoPgStyle	Return presentation graphics information (styles)
InfoScreen	Return screen mode/dump information (current mode)
InfoScreenMode	Return screen mode information (any mode)
InfoVersion	Return library version number information
InfoWindow	Return window management system information
InfoWinString	Return character data associated with text window manager

Name	Description
IOsArgument	Return a command line argument
IOsCommand	Issue an o.s. command, clear screen & pause
IOsCommandSilent	Issue a silent operating system command
IOsCopyFile	Copy a file
IOsDate	Return system date
IOsDeleteFile	Delete file(s)
IOsDirChange	Change current directory
IOsDirCount	Count number of matching files in specified directory
IOsDirDelete	Delete named directory
IOsDirEntryType	Specify type of directory entries to be returned
IOsDirInfo	Return directory file name/date/time/size info
IOsDirList	List contents of a directory, with optional match string
IOsDirMake	Make a directory
IOsDirName	Return the name of the current directory
IOsExecute	Terminate current program & execute a new one
IOsExitProgram	Abort program with an error message & error code
IOsFileDate	Convert a file date/time value to year/month/day
IOsFileTime	Convert a file date/time value to hours/minutes/seconds
IOsRenameFile	Rename a file
IOsTime	Return system time
IOsVariable	Return the value of an operating system variable
IOsWait	Halt program execution for specified length of time

Name	Description
IFileClose	Close binary file
IFileOpen	Open binary file
IFileRead	Read data into non-char buffer
IFileReadChar	Read data into character buffer
IFileSeek	Set file pointer
IFileWrite	Write data from non-char buffer
IFileWriteChar	Write data from character buffer

Name	Description
IDigitiser	Select digitiser type
IDisplay	Select display type
IMouse	Select mouse type
IPlotter	Select plotter type
IPrinter	Select printer type
IPrinter2	Select HP-GL/2 printer/plotter type

Name	Description
IDebug	Write string to diagnostic file
IDebugDouble	Write string and double prec. values to diagnostic file
IDebugInteger	Write string and integer values to diagnostic file
IDebugLevel	Set the error reporting level
IDebugReal	Write string and real values to diagnostic file

Name	Description
IRandomNumber	Return a random number

Name	Description
IActualLength	Return actual length of string excl. trailing blanks
IDoubleToString	Convert a double precision value to a string
IFillString	Fill a character string with a given character
IJustifyString	Justify a string within a character variable
ILocateChar	Locate position of first non blank character
ILocateString	Locate position of first non blank sub-string
ILowerCase	Convert a string to lower case
INextDouble	Extract/clear next substring & return as double prec.
INextInteger	Extract/clear next substring & return as integer
INextReal	Extract/clear next substring & return as real
INextString	Extract/clear next substring & return as string
IntegerToString	Convert an integer value to a string
IntValueOfChar	Return integer value of a numeric character
IRealToString	Convert a real value to a string
IStringToDouble	Convert a string to a double precision value
IStringToInteger	Convert a string to an integer value
IStringToReal	Convert a string to a real value
IUpperCase	Convert a string to upper case

Name	Description
IDoubleMax1	Return maximum value of a 1 dimensional double prec array
IDoubleMax2	Return maximum value of a 2 dimensional double prec array
IDoubleMaxMin1	Return max & min of a 1 dimensional double prec array
IDoubleMaxMin2	Return max & min of a 2 dimensional double prec array
IDoubleMin1	Return minimum value of a 1 dimensional double prec array
IDoubleMin2	Return minimum value of a 2 dimensional double prec array
IRealMax1	Return maximum value of a 1 dimensional real array
IRealMax2	Return maximum value of a 2 dimensional real array
IRealMaxCum2	Return max cumulative row value of a 2 dimension real array
IRealMaxFunc1	Return maximum value of a real function taking 1 arg
IRealMaxFunc2	Return maximum value of a real function taking 2 args
IRealMaxMin1	Return max & min of a 1 dimensional real array
IRealMaxMin2	Return max & min of a 2 dimensional real array
IRealMaxMinFunc1	Return max & min of a real function taking 1 arg
IRealMaxMinFunc2	Return max & min of a real function taking 2 args
IRealMin1	Return minimum value of a 1 dimensional real array
IRealMin2	Return minimum value of a 2 dimensional real array
IRealMinFunc1	Return minimum value of a real function taking 1 arg
IRealMinFunc2	Return minimum value of a real function taking 2 args

(Bit manipulation functions only provided where compiler lacks equivalents)