System Properties | Amstrad DDI-1 specification

TOPLEVEL

throw "TOPLEVEL will exit all pending procedures.

TRUE

System value

4.10.19SYSTEM PROPERTIES

.APV

Associated property value; the value of a global variable.

.DEF

Definition of a procedure.

.PRM

Identifies a primitive.

AMSTRAD Disc Drive & Interface DDI-1 Manual

Chapter 4.24

Image 82

Amstrad DDI-1 manual System Properties

Contents

Page Amstrad Disc Drive & Interface DDI-1 Amstrad Contents Contents Page Foundations 1 Setting Up Connecting the Mains Lead Connecting the DDI-1 to the Computer Computer Interface Unit Main Disc Drive Drive a Computer Foundations 2 About Discs Write Protection Open Closed When Your Disc Is Indicator Lamp Eject Button Run rolcave Drive a disc missing Retry, Ignore or Cancel?Foundations Loading Software/Games ROLCAVE. not found Drive a read fail Retry, Ignore or Cancel? Bad commandSyntax error Type mismatch Foundations Introducing Amsdos and CP/M Disc Drive B disc missing Retry, Ignore or CancelLoad filename Tape.in Storing Data Onto Disc First Steps Using The CP/M DiscCpm CLS? Beware Back to AmsdosSaving a Program in Memory onto Disc Loading From Disc CatalogEXAMPLE.BAS Copying Programs From Cassette to Disc Copying Programs From Disc to DiscCopying Programs From Disc to Cassette Copying Using the CP/M System Disc Copying Using Disccopy Writing track 0 to Copying Using CopydiscCopying started Reading track 0 to Do you want to copy another disc Y/N Discchk Checking DiscsAborting Chkdisc Installation Amstrad Disc Drive & Interface DDI-1 Manual Backup Master Disc Making Working Discs Turnkey Amstrad Basic discs Working SYSTEM/UTILITY discBasic only disc DISCCOPY.COM Turnkey Basic onto your Working disc Turnkey Basic using disc suppliedTurnkey CP/M Discs Creating a Turnkey CP/M System disc Configuring the Output from the package Configuring a CP/M ProgramAmbiguous filename Confirm individual files Y/N ? Starting a Turnkey CP/M Package Configuring the Input to the packagePayroll Autostarting a Turnkey CP/M Package Amsdos Primer Introduction Amsdos filenames and filetypes Disc DirectoryConstruction of Filenames Filenames on two drives Amsdos headersSave 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.BAS Neat Closeout While not EOF Reference guide to Amsdos commandsPre-empting a Garbage Collection Wend Closein Save OPENOUT, Print #9, Write #9, List #9, Closeout Summary of Basic commandsSummary of Amsdos external commands CAT Disc CPMDIR DISC.IN Tape ERAREN TAPE.IN Amsdos files with headers File Copying proceduresCopying Files Ascii files File 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 fail Operating with CP/M CP/M PrimerCP/M system tracks Console control codes Configuration SectorLogging in a disc DIR command Direct Console CommandsSwitching default drives ERA command Type command Transient commandsREN command Peripheral Management Whole disc copiers and checkers File and disc copyingSingle file copying Cassette files System Management Stat Stat SECRET.BAS $DIR SetupDo you want to update your system disc Y/N Is this correct Y/N Format Disc GenerationAmsdos Format D Format I Format Movcpm BootgenAdvanced programming Sysgen Amstrad Disc Drive & Interface DDI-1 Manual What is Logo Introduction to Logo Dr. Logo Getting Started To square Repeat 4 fd 60 rt 90 end Procedures with parametersRepeat 4 fd 60 rt To squareanysize side repeat 4 fd side rt 90 end Cs squareanysize 100 rt 45 squareanysize Using Variables to remember valuesEditing programs and procedures To triangle Repeat 3 fd edge rt 120 end Operating hints Summary of Dr. Logo primitives Char Word and List ProcessingAscii Count Fput EmptypFirst List Arithmetic Operations Logical Operations Not ?= Logo Logo Procedures Variables Setsplit EditingText Screen Show Type CleanGraphic Screen Dot Setpal PalWindow Turtle Graphics Wrap Seth Setpc Ern Workspace ManagementSetpos Nodes Gprop RecycleGlist Plist Save Disc Files DirLoad KEYBOARD, Joystick buttonp ?make key rc Paddle?paddle 0 ?key Ent SoundEnv Release Run LabelRepeat Stop Pause ErrorCatch Throw System Properties Technical information for the user Firmware Headers Changing Discs Store requirements Bios messages Error MessagesAmsdos messages Failed to load boot sector Disc Organisation Common to ALL Formats Jump Block Re-Interception by the User Jump Block Interception by AmsdosReturn Parameters 132 #BC8C 133 #BC8F 134 #BC92 135 #BC95 #BC98 Intercepted Firmware Calls137 #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