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- .R:E
- .W:96
- .H:...DML UNIT Version 1.00...
- .H:...$$Day Mon D, YEAR$$ $$Z:MI A.M.$$ Page $$$...
- .H:
- .F:
- .F:... Copyright (c) 1989, by DML Software Inc. ...
- .X:8
-
- DML is a collection of 87 useful routines not found in the standard Turbo
- Pascal Version 5.0 Library. Full source code and documentation is included
- for the entire library.
-
- The entire library can be accessed by a single USE DML statement, or the four
- unit modules can be accessed indiviadually by a USE GEN, NUM, STRG, KBD
- statement. Because of Turbo Pascal's smart linking, the distrinction is moot.
- Because the individual UNITs take advantage of circular references, they
- are NOT immediately source level compatible with Turbo Pascal 4.0, but the
- overall DML UNIT is Turbo Pascal 4.0 source level compatible.
-
- The demo program DMLTEST exercises every unit call.
-
-
- This overall documentation is in three sections:
-
- A) UNIT INTERFACES
- B) PROCEDURE ALPHABETICAL LISTING
- C) FILES ON DISK
-
-
- A) UNIT INTERFACES
-
- ---------------------------------------------------------------------------
- I) GEN.TPU - GENERAL PURPOSE PROCEDURES (42)
- ---------------------------------------------------------------------------
-
- 1) System programming extensions (5)
-
- PROCEDURE Abend(ExitCode : BYTE; ProcAddr : POINTER);
- PROCEDURE CallProcedure(ProcAddr : POINTER);
- PROCEDURE CallProcedureX( ProcAddr : POINTER;
- I1 : INTEGER;
- VAR S1 : STRING;
- VAR I2 : INTEGER);
- FUNCTION LongAddr(Seg, Ofs : WORD) : LONGINT;
- FUNCTION Same (VAR Var1, Var2; Len : WORD) : BOOLEAN;
-
- 2) File I/O and Protection (5)
-
- FUNCTION ReadOnlyExist(FileName : STRING) : BOOLEAN;
- FUNCTION ReadOnlyGetAttr(FileName : STRING) : BOOLEAN;
- FUNCTION ReadOnlySetAttr(FileName : STRING ; Flag : BOOLEAN) : INTEGER;
- FUNCTION FileOpen(VAR GenFileDummy;
- GenFileRecLen : WORD;
- GenFileOpenMode : WORD) : INTEGER;
- FUNCTION FileAssignAndOpen( GenFileName : STRING;
- VAR GenFileDummy;
- GenFileRecLen : WORD;
- GenFileOpenMode : WORD) : BOOLEAN;
-
- 3) Text Encryption (2)
-
- FUNCTION EnCrypt (Orig : STRING) : STRING;
- FUNCTION DeCrypt (Orig : STRING) : STRING;
-
- 4) General Purpose Video (7)
-
- PROCEDURE GenBeep (Frequency, Duration : WORD);
- FUNCTION ColorMonitorInstalled : BOOLEAN;
- PROCEDURE Cursor (Visible : BOOLEAN);
- PROCEDURE CursorInsertSize;
- PROCEDURE CursorOverwriteSize;
- FUNCTION ScrBackCursorColor : WORD;
- FUNCTION ScrForeCursorColor : WORD;
-
-
- 5) Video Messages (6)
-
- PROCEDURE Pause;
- PROCEDURE ScrErrMsg (Message : STRING );
- PROCEDURE ScrStatMsg (Message : STRING);
- FUNCTION ScrYN (Message : STRING) : BOOLEAN;
- FUNCTION ScrYouAreSure (Message : STRING ) : BOOLEAN;
- PROCEDURE Wait (DispWait : BOOLEAN);
-
- 6) Disk and Memory Sizes (4)
-
- FUNCTION BytesOnDiskFree(Drive : CHAR) : LONGINT;
- FUNCTION FreeDOSMem : LONGINT;
- FUNCTION SizeOfMem : LONGINT;
- FUNCTION StackAvail : WORD;
-
- 7) Instruction Timing (2)
-
- FUNCTION TimeElapsed : REAL;
- FUNCTION TimeTotal(Start , Stop : REAL) : STRING;
-
- 8) General Purpose File (4)
-
- FUNCTION Exist (FileName: STRING) : BOOLEAN;
- FUNCTION LinesInFile (FileName : STRING) : INTEGER;
- FUNCTION GetFileDateAndTimeString (FileName : STRING) : STRING;
- FUNCTION GetFileDateAndTimeLongInt (FileName : STRING) : LONGINT;
-
- 9) Math (2)
-
- FUNCTION Power (X, Y : REAL) : REAL;
- FUNCTION Log (x : REAL) : REAL;
-
- 10) DOS and Environment (3)
-
- FUNCTION DOSVersionR : REAL;
- FUNCTION WhoAmI : STRING;
- FUNCTION GetEnvString(EnvVar : STRING) : STRING;
-
- 11) Version Control (2)
-
- FUNCTION GetDMLVersion(Module : WORD) : STRING;
- FUNCTION GetDMLVersions : STRING;
-
-
- ---------------------------------------------------------------------------
- II) NUM.TPU - NUMERIC PROCEDURES (18)
- ---------------------------------------------------------------------------
-
- 1) General Numeric Formatting And Conversion (12)
-
- FUNCTION B2S (Flag : BOOLEAN) : STRING;
-
- FUNCTION W2S (Num : WORD; Mask : STRING) : STRING;
- FUNCTION I2S (Num : INTEGER; Mask : STRING) : STRING;
- FUNCTION L2S (Num : LONGINT; Mask : STRING) : STRING;
-
- FUNCTION R2S (Num : REAL; Mask : STRING) : STRING;
- FUNCTION D2S (Num : DOUBLE; Mask : STRING) : STRING;
-
- FUNCTION S2R (Source : STRING) : REAL;
- FUNCTION S2D (Source : STRING) : DOUBLE;
-
- FUNCTION StrNumTest (Fld : STRING) : StrNumType;
-
- FUNCTION S2L (Source : STRING) : LONGINT;
- FUNCTION S2I (Source : STRING) : INTEGER;
- FUNCTION S2W (Source : STRING) : WORD;
-
- 2) Date and Time Formatting And Conversion (6)
-
- FUNCTION NumTh (Num : INTEGER) : STRING;
- PROCEDURE Date2R (VAR JulSec : REAL; DateTime : T_DateTime);
- PROCEDURE R2Date (JulSec : REAL; VAR DateTime : T_DateTime);
- FUNCTION Date2S (DateTime : T_DateTime; Mask : STRING) : STRING;
- PROCEDURE GetDOSDateAndTime (VAR JulSec : REAL; VAR DateTime : T_DateTime);
- PROCEDURE SetDOSDateAndTime (DateTime : T_DateTime);
-
-
- ---------------------------------------------------------------------------
- III) STRG - STRING PROCEDURES (14)
- ---------------------------------------------------------------------------
-
- 1) General Purpose String (10)
-
- FUNCTION RJS (Source : STRING; Size : BYTE) : STRING;
- FUNCTION LJS (Source : STRING; Size : BYTE) : STRING;
- FUNCTION CJS (Source : STRING; Size : BYTE) : STRING;
- FUNCTION Strip (Source : STRING; Code : BYTE) : STRING;
- FUNCTION StrCase (Source : STRING; Code : BYTE) : STRING;
- FUNCTION StrField (Source : STRING; Delimiter : CHAR; Num : BYTE) : STRING;
- FUNCTION StrFill (FillCh : CHAR; Num : BYTE) : STRING;
- FUNCTION StrPad (Source : STRING) : STRING;
- FUNCTION StrShiftLeft (Fld : STRING; Posit : BYTE) : STRING;
- FUNCTION StrShiftRight (Fld : STRING; Posit : BYTE; Fill : CHAR) : STRING;
-
- 2) String Conversion (4)
-
- PROCEDURE S2C (Strg : STRING ; VAR CharA ; Len : BYTE);
- FUNCTION C2S (VAR CharA ; BYTE : WORD) : STRING;
- PROCEDURE S2Z (Strg : STRING ; VAR CharA);
- FUNCTION Z2S (VAR CharA) : STRING;
-
-
- ---------------------------------------------------------------------------
- IV) KBD - KEYBOARD PROCEDURES (13)
- ---------------------------------------------------------------------------
-
- 1) General Purpose Keyboard (9)
-
- FUNCTION KbdGetStatus : WORD;
- PROCEDURE KbdSetInsMode (InsMode : BOOLEAN);
- PROCEDURE KbdSetCapsLock (CapsLock : BOOLEAN);
- PROCEDURE KbdSetNumLock (NumLock : BOOLEAN);
- PROCEDURE KbdSetScrollLock (ScrollLock : BOOLEAN);
- FUNCTION KbdInsModeStatus : BOOLEAN;
- FUNCTION KbdCapsLockStatus : BOOLEAN;
- FUNCTION KbdNumLockStatus : BOOLEAN;
- FUNCTION KbdScrollLockStatus : BOOLEAN;
-
- 2) Keyboard Buffer (4)
-
- PROCEDURE KbdClear;
- FUNCTION KbdNumValuesWaiting : WORD;
- FUNCTION KbdInputValue : WORD;
- FUNCTION KbdKeyWaiting : BOOLEAN;
-
-
- B) PROCEDURE ALPHABETICAL LISTING
-
- Procedure Name UNIT
-
- Abend GEN
- B2S NUM
- BytesOnDiskFree GEN
- C2S STRG
- CallProcedure GEN
- CallProcedureX GEN
- CJS STRG
- ColorMonitorInstalled GEN
- Cursor GEN
- CursorInsertSize GEN
- CursorOverwriteSize GEN
- D2S NUM
- Date2R NUM
- Date2S NUM
- DeCrypt GEN
- DOSVersionR GEN
- EnCrypt GEN
- Exist GEN
- FileAssignAndOpen GEN
- FileOpen GEN
- FreeDOSMem GEN
- GenBeep GEN
- GetDMLVersion GEN
- GetDMLVersions GEN
- GetDOSDateAndTime NUM
- GetEnvString GEN
- GetFileDateAndTimeLongInt GEN
- GetFileDateAndTimeString GEN
- I2S NUM
- KbdCapsLockStatus KBD
- KbdClear KBD
- KbdGetStatus KBD
- KbdInputValue KBD
- KbdInsModeStatus KBD
- KbdKeyWaiting KBD
- KbdNumLockStatus KBD
- KbdNumValuesWaiting KBD
- KbdScrollLockStatus KBD
- KbdSetCapsLock KBD
- KbdSetInsMode KBD
- KbdSetNumLock KBD
- KbdSetScrollLock KBD
- L2S NUM
- LJS STRG
- LinesInFile GEN
- LongAddr GEN
- Log GEN
- NumTh NUM
- Pause GEN
- Power GEN
- R2Date NUM
- R2S NUM
- ReadOnlyExist GEN
- ReadOnlyGetAttr GEN
- ReadOnlySetAttr GEN
- RJS STRG
- S2C STRG
- S2D NUM
- S2I NUM
- S2L NUM
- S2R NUM
- S2W NUM
- S2Z STRG
- Same GEN
- ScrBackCursorColor GEN
- ScrErrMsg GEN
- ScrForeCursorColor GEN
- ScrStatMsg GEN
- ScrYN GEN
- ScrYouAreSure GEN
- SetDOSDateAndTime NUM
- SizeOfMem GEN
- StackAvail GEN
- StrCase STRG
- StrField STRG
- StrFill STRG
- Strip STRG
- StrNumTest NUM
- StrPad STRG
- StrShiftLeft STRG
- StrShiftRight STRG
- TimeElapsed GEN
- TimeTotal GEN
- W2S NUM
- Wait GEN
- WhoAmI GEN
- Z2S STRG
-
-
- C) FILES ON DISK (35)
-
- 1) SOURCE FILES: *.PAS, INT, IMP, INC (16)
-
- DML.PAS - Unit
- DMLINIT.INC - Unit Initialization
-
- GEN.PAS - Unit
- GEN.INT - Unit Interface
- GEN.IMP - Unit Implementation
-
- NUM.PAS - Unit
- NUM.INT - Unit Interface
- NUM.IMP - Unit Implementation
-
- STRG.PAS - Unit
- STRG.INT - Unit Interface
- STRG.IMP - Unit Implementation
-
- KBD.PAS - Unit
- KBD.INT - Unit Interface
- KBD.IMP - Unit Implementation
-
- DMLTEST.PAS - Unit test program
- XREF.PAS - Cross reference program
-
- 2) UNIT FILES: *.TPU (6)
-
- DML.TPU
- GEN.TPU
- NUM.TPU
- STRG.TPU
- KBD.TPU
- HEAPTREE.TPU - Quasi B-Tree for Xref program
-
- 3) PROGRAM FILES: *.EXE (2)
-
- DMLTEST.EXE
- XREF.EXE
-
-
- 4) DOCUEMENTATION FILES: *.DOC, TBL (PC-WRITE Format) (11)
-
- DML.DOC - This file
- GEN.DOC
- NUM.DOC
- STRG.DOC
- KBD.DOC
- GEN.TBL - Table of Contents files
- NUM.TBL
- STRG.TBL
- KBD.TBL
- XREF.DOC
- README.DOC - Read me first
-
-