Amstrad DDI-1 manual Sound, Env, Ent, Release, Bye

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4.10.14 SOUND:

The sound commands are unique to the AMSTRAD implementation of Dr. LOGO and are similar to their AMSTRAD BASIC counterparts.

Refer to Chapter 6 of the CPC464 User Instructions for further information.

sound puts a sound into the sound queue. The format is : [<channel-status> <tone- period> <duration> <volume> <volume-envelope> <tone-envelope> <noise-period>] The parameters after duration are optional.

?sound [1 20 50]

env

Set up a volume envelope. The format is: [<envelope-number> envelope-section(s)>]

?env[l 100 2 20] ?sound[l 200 300 5 1]

ent

Set up a tone envelope. The format is: [<envelope-number> <envelope-section(s)>]

?ent [l 100 2 20] ?sound [1 200 300 5 1 1]

Release

Releases sound channels that have been set to a hold state in a sound command. The channels to release are indicated as follows:

Input value	Channels released.
0	None
1	A
2	B
3	B and A
4	C
5	C and A
6	C and B
7	C and B and A

?release 1

4.10.15FLOW OF CONTROL:

bye

Exits the current session of Dr. Logo.

?bye

co

Ends a pause caused by pause,a [CTRL]Z or ERRACT

?co
Chapter 4.21	AMSTRAD Disc Drive & Interface DDI-1 Manual

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Contents Page Amstrad Disc Drive & Interface DDI-1 Amstrad Contents Contents Page Connecting the Mains Lead Foundations 1 Setting UpConnecting the DDI-1 to the Computer Computer Interface Unit Main Disc Drive Drive a Computer Write Protection Foundations 2 About DiscsOpen Closed When Your Disc Is Eject Button Indicator LampROLCAVE. not found Drive a disc missing Retry, Ignore or Cancel?Foundations Loading Software/Games Run rolcaveType mismatch Bad commandSyntax error Drive a read fail Retry, Ignore or Cancel?Foundations Introducing Amsdos and CP/M Tape.in Drive B disc missing Retry, Ignore or CancelLoad filename DiscStoring 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 Disccopy Copying Using the CP/M System DiscDo you want to copy another disc Y/N Copying Using CopydiscCopying started Reading track 0 to Writing track 0 toChkdisc Checking DiscsAborting DiscchkInstallation Amstrad Disc Drive & Interface DDI-1 Manual Making Working Discs Backup Master DiscDISCCOPY.COM Working SYSTEM/UTILITY discBasic only disc Turnkey Amstrad Basic discsCreating a Turnkey CP/M System disc Turnkey Basic using disc suppliedTurnkey CP/M Discs Turnkey Basic onto your Working discConfiguring 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 Introduction Amsdos PrimerAmsdos filenames and filetypes Disc DirectoryConstruction of Filenames Filenames on two drives Amsdos headersSave PROG.BAS a Save Bprog .BAS BERT.BAS FRED1.BAS FRED2.BAS FRED3.BAK FRED3.BAS FINISH.BAS Examples of Using Amsdos Commands in a programWild cards Saving variables and performing a Screen DumpCloseout NeatWend Closein Reference guide to Amsdos commandsPre-empting a Garbage Collection While not EOFCAT Summary of Basic commandsSummary of Amsdos external commands Save OPENOUT, Print #9, Write #9, List #9, CloseoutDISC.IN CPMDIR DiscTAPE.IN ERAREN TapeAscii files File Copying proceduresCopying Files Amsdos files with headersFile has a header Amstrad Reference guide to Amsdos Error Messages Drive Drive write fail Drive Drive disc missingDrive Drive disc is write protected Drive Drive read failOperating with CP/M CP/M PrimerCP/M system tracks Console control codes Configuration SectorLogging in a disc ERA command Direct Console CommandsSwitching default drives DIR commandPeripheral Management Transient commandsREN command Type commandCassette files File and disc copyingSingle file copying Whole disc copiers and checkersStat System ManagementIs this correct Y/N SetupDo you want to update your system disc Y/N Stat SECRET.BAS $DIRFormat D Format I Format Disc GenerationAmsdos FormatSysgen BootgenAdvanced programming MovcpmAmstrad Disc Drive & Interface DDI-1 Manual Introduction to Logo What is LogoGetting Started Dr. LogoTo squareanysize side repeat 4 fd side rt 90 end Procedures with parametersRepeat 4 fd 60 rt To square Repeat 4 fd 60 rt 90 endTo triangle Repeat 3 fd edge rt 120 end Using Variables to remember valuesEditing programs and procedures Cs squareanysize 100 rt 45 squareanysizeSummary of Dr. Logo primitives Operating hintsCount Word and List ProcessingAscii CharList EmptypFirst FputArithmetic Operations Logical Operations ?= Logo Logo NotVariables ProceduresShow EditingText Screen SetsplitDot CleanGraphic Screen TypeSetpal PalWindow Wrap Turtle GraphicsSetpc SethNodes Workspace ManagementSetpos ErnPlist RecycleGlist GpropKEYBOARD, Joystick buttonp Disc Files DirLoad Save?key Paddle?paddle 0 ?make key rcRelease SoundEnv EntStop LabelRepeat RunThrow ErrorCatch PauseSystem Properties Headers Technical information for the user FirmwareStore requirements Changing DiscsBios messages Error MessagesAmsdos messages Failed to load boot sector Common to ALL Formats Disc OrganisationJump 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