117 lines
3.5 KiB
Plaintext
117 lines
3.5 KiB
Plaintext
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{*******************************************************}
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{ }
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{ Turbo Pascal Version 4.0 }
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{ DOS Unit Interface Documentation }
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{ }
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{ Copyright (c) 1987 Borland International, Inc. }
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{ }
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{*******************************************************}
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{$D-,I-,S-}
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unit Dos;
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interface
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const
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{ Flags bit masks }
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FCarry = $0001;
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FParity = $0004;
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FAuxiliary = $0010;
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FZero = $0040;
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FSign = $0080;
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FOverflow = $0800;
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{ File mode magic numbers }
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fmClosed = $D7B0;
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fmInput = $D7B1;
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fmOutput = $D7B2;
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fmInOut = $D7B3;
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{ File attribute constants }
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ReadOnly = $01;
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Hidden = $02;
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SysFile = $04;
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VolumeID = $08;
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Directory = $10;
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Archive = $20;
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AnyFile = $3F;
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type
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{ Registers record used by Intr and MsDos }
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Registers = record
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case Integer of
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0: (AX,BX,CX,DX,BP,SI,DI,DS,ES,Flags: Word);
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1: (AL,AH,BL,BH,CL,CH,DL,DH: Byte);
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end;
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{ Typed-file and untyped-file record }
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FileRec = record
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Handle: Word;
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Mode: Word;
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RecSize: Word;
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Private: array[1..26] of Byte;
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UserData: array[1..16] of Byte;
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Name: array[0..79] of Char;
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end;
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{ Textfile record }
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TextBuf = array[0..127] of Char;
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TextRec = record
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Handle: Word;
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Mode: Word;
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BufSize: Word;
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Private: Word;
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BufPos: Word;
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BufEnd: Word;
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BufPtr: ^TextBuf;
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OpenFunc: Pointer;
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InOutFunc: Pointer;
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FlushFunc: Pointer;
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CloseFunc: Pointer;
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UserData: array[1..16] of Byte;
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Name: array[0..79] of Char;
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Buffer: TextBuf;
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end;
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{ Search record used by FindFirst and FindNext }
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SearchRec = record
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Fill: array[1..21] of Byte;
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Attr: Byte;
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Time: Longint;
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Size: Longint;
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Name: string[12];
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end;
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{ Date and time record used by PackTime and UnpackTime }
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DateTime = record
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Year,Month,Day,Hour,Min,Sec: Word;
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end;
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var
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DosError: Integer; { Error status variable }
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procedure Intr(IntNo: Byte; var Regs: Registers);
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procedure MsDos(var Regs: Registers);
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procedure GetDate(var Year,Month,Day,DayOfWeek: Word);
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procedure SetDate(Year,Month,Day: Word);
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procedure GetTime(var Hour,Minute,Second,Sec100: Word);
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procedure SetTime(Hour,Minute,Second,Sec100: Word);
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function DiskFree(Drive: Byte): Longint;
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function DiskSize(Drive: Byte): Longint;
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procedure GetFAttr(var F; var Attr: Word);
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procedure SetFAttr(var F; Attr: Word);
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procedure GetFTime(var F; var Time: Longint);
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procedure SetFTime(var F; Time: Longint);
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procedure FindFirst(Path: String; Attr: Word; var F: SearchRec);
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procedure FindNext(var F: SearchRec);
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procedure UnpackTime(P: Longint; var T: DateTime);
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procedure PackTime(var T: DateTime; var P: Longint);
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procedure GetIntVec(IntNo: Byte; var Vector: Pointer);
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procedure SetIntVec(IntNo: Byte; Vector: Pointer);
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procedure Keep(ExitCode: Word);
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procedure Exec(Path,CmdLine: String);
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function DosExitCode: Word;
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implementation
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