Amstrad DDI-1 manual Arithmetic Operations

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se

(sentence) Outputs a list made up of the input objects, removes list's outer brackets (compare with list).

?make "instr_list rl repeat 4 [fd 50 rt 90]

?run (se "cs : instr_list “ht

Note that the underline character between instr and list is obtained by pressing

[SHIFT]0

word

Outputs a word made up of the input words.

?word "sun "shine sunshine

wordp

Outputs TRUE if the input object is a word or a number.

?wordp "hello

TRUE ?wordp []

FALSE

4.10.2ARITHMETIC OPERATIONS

cos

Outputs the cosine of the input number of degrees.

?cos 60 0.5

int

Outputs the integer portion of the input number.

?int 4/3 1

random

Outputs a random non-negative integer less than the input number.

?random 20

sin

Outputs the sine of the input number of degrees.

?sin 30 0.5

AMSTRAD Disc Drive & Interface DDI-1 Manual

Chapter 4.8

Image 66

Contents Page Amstrad Disc Drive & Interface DDI-1 Amstrad Contents Contents Page Foundations 1 Setting Up Connecting the Mains LeadConnecting the DDI-1 to the Computer Computer Interface Unit Main Disc Drive Drive a Computer Foundations 2 About Discs Write ProtectionOpen Closed When Your Disc Is Indicator Lamp Eject ButtonRun rolcave Drive a disc missing Retry, Ignore or Cancel?Foundations Loading Software/Games ROLCAVE. not foundDrive a read fail Retry, Ignore or Cancel? Bad commandSyntax error Type mismatchFoundations Introducing Amsdos and CP/M Disc Drive B disc missing Retry, Ignore or CancelLoad filename Tape.inFirst Steps Using The CP/M Disc Storing Data Onto DiscCpm CLS? Back to Amsdos BewareSaving a Program in Memory onto Disc Catalog Loading From DiscEXAMPLE.BAS Copying Programs From Disc to Disc Copying Programs From Cassette to DiscCopying Programs From Disc to Cassette Copying Using the CP/M System Disc Copying Using DisccopyWriting track 0 to Copying Using CopydiscCopying started Reading track 0 to Do you want to copy another disc Y/NDiscchk Checking DiscsAborting ChkdiscInstallation Amstrad Disc Drive & Interface DDI-1 Manual Backup Master Disc Making Working DiscsTurnkey Amstrad Basic discs Working SYSTEM/UTILITY discBasic only disc DISCCOPY.COMTurnkey Basic onto your Working disc Turnkey Basic using disc suppliedTurnkey CP/M Discs Creating a Turnkey CP/M System discConfiguring a CP/M Program Configuring the Output from the packageAmbiguous filename Confirm individual files Y/N ? Configuring the Input to the package Starting a Turnkey CP/M PackagePayroll Autostarting a Turnkey CP/M Package Amsdos Primer IntroductionDisc Directory Amsdos filenames and filetypesConstruction of Filenames Amsdos headers Filenames on two drivesSave PROG.BAS a Save Bprog .BAS Saving variables and performing a Screen Dump Examples of Using Amsdos Commands in a programWild cards BERT.BAS FRED1.BAS FRED2.BAS FRED3.BAK FRED3.BAS FINISH.BASNeat CloseoutWhile not EOF Reference guide to Amsdos commandsPre-empting a Garbage Collection Wend CloseinSave OPENOUT, Print #9, Write #9, List #9, Closeout Summary of Basic commandsSummary of Amsdos external commands CATDisc CPMDIR DISC.INTape ERAREN TAPE.INAmsdos files with headers File Copying proceduresCopying Files Ascii filesFile has a header Amstrad Reference guide to Amsdos Error Messages Drive Drive read fail Drive Drive disc missingDrive Drive disc is write protected Drive Drive write failCP/M Primer Operating with CP/MCP/M system tracks Configuration Sector Console control codesLogging in a disc DIR command Direct Console CommandsSwitching default drives ERA commandType command Transient commandsREN command Peripheral ManagementWhole disc copiers and checkers File and disc copyingSingle file copying Cassette filesSystem Management StatStat SECRET.BAS $DIR SetupDo you want to update your system disc Y/N Is this correct Y/NFormat Disc GenerationAmsdos Format D Format I FormatMovcpm BootgenAdvanced programming SysgenAmstrad Disc Drive & Interface DDI-1 Manual What is Logo Introduction to LogoDr. Logo Getting StartedTo square Repeat 4 fd 60 rt 90 end Procedures with parametersRepeat 4 fd 60 rt To squareanysize side repeat 4 fd side rt 90 endCs squareanysize 100 rt 45 squareanysize Using Variables to remember valuesEditing programs and procedures To triangle Repeat 3 fd edge rt 120 endOperating hints Summary of Dr. Logo primitivesChar Word and List ProcessingAscii CountFput EmptypFirst ListArithmetic Operations Logical Operations Not ?= Logo LogoProcedures VariablesSetsplit EditingText Screen ShowType CleanGraphic Screen DotPal SetpalWindow Turtle Graphics WrapSeth SetpcErn Workspace ManagementSetpos NodesGprop RecycleGlist PlistSave Disc Files DirLoad KEYBOARD, Joystick buttonp?make key rc Paddle?paddle 0 ?keyEnt SoundEnv ReleaseRun LabelRepeat StopPause ErrorCatch ThrowSystem Properties Technical information for the user Firmware HeadersChanging Discs Store requirementsError Messages Bios messagesAmsdos messages Failed to load boot sector Disc Organisation Common to ALL FormatsJump Block Interception by Amsdos Jump Block Re-Interception by the UserReturn Parameters Intercepted Firmware Calls 132 #BC8C 133 #BC8F 134 #BC92 135 #BC95 #BC98137 #BC9B Page Appendix Glossary of Terms CP/M Dr.Logo Primitives TPA Amstrad Disc Drive & Interface DDI-1 Manual Appendix Term Limitations of Remedies Amstrad Disc Drive & Interface DDI-1 Manual Appendix Index ERA Setpos