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* first working version of CRT unit
This commit is contained in:
carl
parent
3474cf1a60
commit
c2f855fbb7
548
rtl/amiga/crt.pp
548
rtl/amiga/crt.pp
@ -1,8 +1,7 @@
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{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 1997 by Nils Sjoholm
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member of the Amiga RTL development team.
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Copyright (c) 1998 by Nils Sjoholm
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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@ -14,90 +13,118 @@
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**********************************************************************}
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unit Crt;
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Interface
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INTERFACE
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Const
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{ Controlling consts }
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Flushing=false; {if true then don't buffer output}
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ScreenWidth = 80;
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ScreenHeight = 25;
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const
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{ screen modes }
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bw40 = 0;
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co40 = 1;
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bw80 = 2;
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co80 = 3;
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mono = 7;
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font8x8 = 256;
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{ CRT modes }
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BW40 = 0; { 40x25 B/W on Color Adapter }
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CO40 = 1; { 40x25 Color on Color Adapter }
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BW80 = 2; { 80x25 B/W on Color Adapter }
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CO80 = 3; { 80x25 Color on Color Adapter }
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Mono = 7; { 80x25 on Monochrome Adapter }
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Font8x8 = 256; { Add-in for ROM font }
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{ screen color, fore- and background }
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black = 0;
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blue = 1;
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green = 2;
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cyan = 3;
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red = 4;
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magenta = 5;
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brown = 6;
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lightgray = 7;
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{ Mode constants for 3.0 compatibility }
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C40 = CO40;
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C80 = CO80;
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{ only foreground }
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darkgray = 8;
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lightblue = 9;
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lightgreen = 10;
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lightcyan = 11;
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lightred = 12;
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lightmagenta = 13;
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yellow = 14;
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white = 15;
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{
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When using this color constants on the Amiga
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you can bet that they don't work as expected.
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You never know what color the user has on
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his Amiga. Perhaps we should do a check of
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the number of bitplanes (for number of colors)
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{ blink flag }
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blink = $80;
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The normal 4 first pens for an Amiga are
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var
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{ for compatibility }
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checkbreak,checkeof,checksnow : boolean;
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0 LightGrey
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1 Black
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2 White
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3 Blue
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{ works in another way than in TP }
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{ true: cursor is set with direct port access }
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{ false: cursor is set with a bios call }
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directvideo : boolean;
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}
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lastmode : word; { screen mode}
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textattr : byte; { current text attribute }
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windmin : word; { upper right corner of the CRT window }
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windmax : word; { lower left corner of the CRT window }
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{ Foreground and background color constants }
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Black = 1; { normal pen for amiga }
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Blue = 3; { windowborder color }
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Green = 15;
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Cyan = 7;
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Red = 4;
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Magenta = 5;
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Brown = 6;
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LightGray = 0; { canvas color }
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function keypressed : boolean;
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function readkey : char;
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procedure gotoxy(x,y : integer);
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procedure window(left,top,right,bottom : byte);
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procedure clrscr;
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procedure textcolor(color : byte);
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procedure textbackground(color : byte);
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procedure assigncrt(var f : text);
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function wherex : integer;
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function wherey : integer;
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procedure delline;
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procedure delline(line : byte);
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procedure clreol;
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procedure insline;
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procedure cursoron;
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procedure cursoroff;
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procedure cursorbig;
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procedure lowvideo;
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procedure highvideo;
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procedure nosound;
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procedure sound(hz : word);
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procedure delay(ms : longint);
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procedure textmode(mode : integer);
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procedure normvideo;
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{ Foreground color constants }
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DarkGray = 8;
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LightBlue = 9;
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LightGreen = 10;
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LightCyan = 11;
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LightRed = 12;
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LightMagenta = 13;
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Yellow = 14;
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White = 2; { third color on amiga }
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implementation
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{ Add-in for blinking }
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Blink = 128;
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{Other Defaults}
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TextAttr : Byte = $07;
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LastMode : Word = 3;
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WindMin : Word = $0;
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WindMax : Word = $184f;
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var
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{ CheckBreak have to make this one to a function for Amiga }
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CheckEOF,
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CheckSnow,
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DirectVideo: Boolean;
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Procedure AssignCrt(Var F: Text);
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Function KeyPressed: Boolean;
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Function ReadKey: Char;
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Procedure TextMode(Mode: Integer);
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Procedure Window(X1, Y1, X2, Y2: Integer);
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Procedure GoToXy(X: Integer; Y: Integer);
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Function WhereX: Integer;
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Function WhereY: Integer;
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Procedure ClrScr;
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Procedure ClrEol;
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Procedure InsLine;
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Procedure DelLine;
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Procedure TextColor(Color: Byte);
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Procedure TextBackground(Color: Byte);
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Procedure LowVideo;
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Procedure HighVideo;
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Procedure NormVideo;
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Procedure Delay(DTime: Word);
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Procedure Sound(Hz: Word);
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Procedure NoSound;
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{ Extra functions }
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Procedure CursorOn;
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Procedure CursorOff;
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Function CheckBreak: Boolean;
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Implementation
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{
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The definitions of TextRec and FileRec are in separate files.
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}
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{$i textrec.inc}
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{$i filerec.inc}
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Type
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{$PACKRECORDS 4}
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{ returned by Info(), must be on a 4 byte boundary }
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pInfoData = ^tInfoData;
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tInfoData = record
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tInfoData = packed record
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id_NumSoftErrors : Longint; { number of soft errors on disk }
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id_UnitNumber : Longint; { Which unit disk is (was) mounted on }
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id_DiskState : Longint; { See defines below }
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@ -112,7 +139,7 @@ Type
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{ * List Node Structure. Each member in a list starts with a Node * }
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pNode = ^tNode;
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tNode = Record
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tNode = packed Record
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ln_Succ, { * Pointer to next (successor) * }
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ln_Pred : pNode; { * Pointer to previous (predecessor) * }
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ln_Type : Byte;
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@ -120,12 +147,10 @@ Type
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ln_Name : PChar; { * ID string, null terminated * }
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End; { * Note: Integer aligned * }
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{$PACKRECORDS NORMAL}
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{ normal, full featured list }
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pList = ^tList;
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tList = record
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tList = packed record
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lh_Head : pNode;
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lh_Tail : pNode;
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lh_TailPred : pNode;
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@ -134,7 +159,7 @@ Type
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end;
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pMsgPort = ^tMsgPort;
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tMsgPort = record
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tMsgPort = packed record
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mp_Node : tNode;
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mp_Flags : Byte;
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mp_SigBit : Byte; { signal bit number }
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@ -143,14 +168,14 @@ Type
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end;
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pMessage = ^tMessage;
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tMessage = record
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tMessage = packed record
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mn_Node : tNode;
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mn_ReplyPort : pMsgPort; { message reply port }
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mn_Length : Word; { message len in bytes }
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end;
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pIOStdReq = ^tIOStdReq;
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tIOStdReq = record
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tIOStdReq = packed record
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io_Message : tMessage;
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io_Device : Pointer; { device node pointer }
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io_Unit : Pointer; { unit (driver private)}
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@ -162,9 +187,9 @@ Type
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io_Data : Pointer; { points to data area }
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io_Offset : Longint; { offset for block structured devices }
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end;
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pIntuiMessage = ^tIntuiMessage;
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tIntuiMessage = record
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tIntuiMessage = packed record
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ExecMessage : tMessage;
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Class_ : Longint;
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Code : Word;
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@ -179,7 +204,7 @@ Type
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end;
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pWindow = ^tWindow;
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tWindow = record
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tWindow = packed record
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NextWindow : pWindow; { for the linked list in a screen }
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LeftEdge,
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TopEdge : Integer; { screen dimensions of window }
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@ -230,10 +255,10 @@ Type
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IFont : Pointer;
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MoreFlags : Longint;
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end;
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pConUnit = ^tConUnit;
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tConUnit = record
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tConUnit = packed record
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cu_MP : tMsgPort;
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cu_Window : Pointer; { (WindowPtr) intuition window bound to this unit }
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cu_XCP : Integer; { character position }
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@ -270,113 +295,157 @@ Type
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cu_Modes : Array [0..(22+7) div 8 - 1] of Byte;
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cu_RawEvents : Array [0..($15+7) div 8 - 1] of Byte;
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end;
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const
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CD_CURRX = 1;
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CD_CURRY = 2;
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CD_MAXX = 3;
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CD_MAXY = 4;
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CSI = chr($9b);
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function AllocVec( size, reqm : Longint ): Pointer; Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _ExecBase,A6
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MOVE.L size,d0
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MOVE.L reqm,d1
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JSR -684(A6)
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MOVE.L (A7)+,A6
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SIGBREAKF_CTRL_C = 4096;
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function AllocVec( size, reqm : Longint ): Pointer;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L size,d0
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MOVE.L reqm,d1
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MOVE.L _ExecBase, A6
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JSR -684(A6)
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MOVE.L (A7)+,A6
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MOVE.L d0,@RESULT
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end;
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end;
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function DoPkt(ID : pMsgPort;
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Action, Param1, Param2,
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Param3, Param4, Param5 : Longint) : Longint; Assembler;
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asm
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MOVEM.L d2/d3/d4/d5/d6/d7/a6,-(A7)
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MOVE.L _DOSBase,A6
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MOVE.L ID,d1
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MOVE.L Action,d2
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MOVE.L Param1,d3
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MOVE.L Param2,d4
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MOVE.L Param3,d5
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MOVE.L Param4,d6
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MOVE.L Param5,d7
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JSR -240(A6)
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MOVEM.L (A7)+,d2/d3/d4/d5/d6/d7/a6
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Param3, Param4, Param5 : Longint) : Longint;
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begin
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asm
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MOVEM.L d2/d3/d4/d5/d6/d7/a6,-(A7)
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MOVE.L ID,d1
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MOVE.L Action,d2
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MOVE.L Param1,d3
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MOVE.L Param2,d4
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MOVE.L Param3,d5
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MOVE.L Param4,d6
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MOVE.L Param5,d7
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MOVE.L _DOSBase,A6
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JSR -240(A6)
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MOVEM.L (A7)+,d2/d3/d4/d5/d6/d7/a6
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MOVE.L d0,@RESULT
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end;
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end;
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procedure FreeVec( memory : Pointer ); Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _ExecBase,A6
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MOVE.L memory,a1
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JSR -690(A6)
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MOVE.L (A7)+,A6
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procedure FreeVec( memory : Pointer );
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L memory,a1
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MOVE.L _ExecBase,A6
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JSR -690(A6)
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MOVE.L (A7)+,A6
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end;
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end;
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function GetConsoleTask : pMsgPort; Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _DOSBase,A6
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JSR -510(A6)
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MOVE.L (A7)+,A6
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end;
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function GetMsg(port : pMsgPort): pMessage; Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _ExecBase,A6
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MOVE.L port,a0
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JSR -372(A6)
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MOVE.L (A7)+,A6
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function GetConsoleTask : pMsgPort;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L _DOSBase,A6
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JSR -510(A6)
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MOVE.L (A7)+,A6
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MOVE.L d0,@RESULT
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end;
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end;
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function GetMsg(port : pMsgPort): pMessage;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L port,a0
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MOVE.L _ExecBase,A6
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JSR -372(A6)
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MOVE.L (A7)+,A6
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MOVE.L d0,@RESULT
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end;
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end;
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function ModifyIDCMP(window : pWindow;
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IDCMPFlags : Longint) : Boolean; Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _IntuitionBase,A6
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MOVE.L window,a0
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MOVE.L IDCMPFlags,d0
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JSR -150(A6)
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MOVE.L (A7)+,A6
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TST.L d0
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SNE d0
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end;
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procedure ReplyMsg(mess : pMessage); Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _ExecBase,A6
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MOVE.L mess,a1
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JSR -378(A6)
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MOVE.L (A7)+,A6
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end;
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function WaitPort(port : pMsgPort): pMessage; Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _ExecBase,A6
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MOVE.L port,a0
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JSR -384(A6)
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MOVE.L (A7)+,A6
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end;
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procedure Delay_(ticks : Integer); Assembler;
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asm
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MOVE.L A6,-(A7)
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MOVE.L _DOSBase,A6
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MOVE.L ticks,d1
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JSR -198(A6)
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MOVE.L (A7)+,A6
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IDCMPFlags : Longint) : Boolean;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L window,a0
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MOVE.L IDCMPFlags,d0
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MOVE.L _IntuitionBase,A6
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JSR -150(A6)
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MOVE.L (A7)+,A6
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TST.L d0
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bne @success
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bra @end
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@success:
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move.b #1,d0
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@end:
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move.b d0,@RESULT
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end;
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end;
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procedure ReplyMsg(mess : pMessage);
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L mess,a1
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MOVE.L _ExecBase,A6
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JSR -378(A6)
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MOVE.L (A7)+,A6
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end;
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end;
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function WaitPort(port : pMsgPort): pMessage;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L port,a0
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MOVE.L _ExecBase,A6
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JSR -384(A6)
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MOVE.L (A7)+,A6
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MOVE.L d0,@RESULT
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end;
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end;
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procedure Delay_(ticks : Longint);
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L ticks,d1
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MOVE.L _DOSBase,A6
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JSR -198(A6)
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MOVE.L (A7)+,A6
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end;
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end;
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function SetSignal(newSignals, signalMask : Longint) : Longint;
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begin
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asm
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MOVE.L A6,-(A7)
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MOVE.L newSignals,d0
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MOVE.L signalMask,d1
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MOVE.L _ExecBase,A6
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JSR -306(A6)
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MOVE.L (A7)+,A6
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MOVE.L d0,@RESULT
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end;
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end;
|
||||
|
||||
|
||||
function OpenInfo : pInfoData;
|
||||
var
|
||||
port : pMsgPort;
|
||||
@ -384,17 +453,17 @@ var
|
||||
bptr, d4, d5, d6, d7 : Longint;
|
||||
begin
|
||||
info := pInfoData(AllocVec(SizeOf(tInfoData), 1));
|
||||
|
||||
|
||||
if info <> nil then begin
|
||||
port := GetConsoleTask;
|
||||
bptr := Longint(info) shr 2;
|
||||
|
||||
|
||||
if port <> nil then begin
|
||||
if DoPkt(port, $19, bptr, d4, d5, d6, d7) <> 0 then info := pInfoData(bptr shl 2)
|
||||
else port := nil;
|
||||
end;
|
||||
|
||||
if port = nil then begin
|
||||
|
||||
if port = nil then begin
|
||||
FreeVec(info);
|
||||
info := nil;
|
||||
end;
|
||||
@ -419,7 +488,7 @@ var
|
||||
begin
|
||||
pos := 1;
|
||||
info := OpenInfo;
|
||||
|
||||
|
||||
if info <> nil then begin
|
||||
theunit := pConUnit((pIoStdReq(info^.id_InUse))^.io_Unit);
|
||||
|
||||
@ -429,21 +498,21 @@ begin
|
||||
CD_MAXX : pos := theunit^.cu_XMax;
|
||||
CD_MAXY : pos := theunit^.cu_YMax;
|
||||
end;
|
||||
|
||||
|
||||
CloseInfo(info);
|
||||
end;
|
||||
|
||||
|
||||
ConData := pos + 1;
|
||||
end;
|
||||
|
||||
function wherex : integer;
|
||||
function WhereX : integer;
|
||||
begin
|
||||
wherex := ConData(CD_CURRX);
|
||||
WhereX := ConData(CD_CURRX);
|
||||
end;
|
||||
|
||||
function wherey : integer;
|
||||
function WhereY : integer;
|
||||
begin
|
||||
wherey := ConData(CD_CURRY);
|
||||
WhereY := ConData(CD_CURRY);
|
||||
end;
|
||||
|
||||
function maxx : integer;
|
||||
@ -456,33 +525,33 @@ begin
|
||||
maxy := ConData(CD_MAXY);
|
||||
end;
|
||||
|
||||
procedure gotoxy(x, y : integer);
|
||||
procedure GotoXY(x, y : integer);
|
||||
var
|
||||
mx, my : integer;
|
||||
begin
|
||||
mx := maxx;
|
||||
my := maxy;
|
||||
|
||||
|
||||
if x < 1 then x := wherex
|
||||
else if x > mx then x := mx;
|
||||
|
||||
|
||||
if y < 1 then y := wherey
|
||||
else if y > my then y := my;
|
||||
|
||||
Write($9b, y, ';', x, 'H');
|
||||
|
||||
Write(CSI, y, ';', x, 'H');
|
||||
end;
|
||||
|
||||
procedure cursoroff;
|
||||
procedure CursorOff;
|
||||
begin
|
||||
Write($9b,'0 p');
|
||||
Write(CSI,'0 p');
|
||||
end;
|
||||
|
||||
procedure cursoron;
|
||||
procedure CursorOn;
|
||||
begin
|
||||
Write($9b,'1 p');
|
||||
Write(CSI,'1 p');
|
||||
end;
|
||||
|
||||
procedure clrscr;
|
||||
procedure ClrScr;
|
||||
begin
|
||||
Write(Chr($0c));
|
||||
end;
|
||||
@ -497,7 +566,7 @@ var
|
||||
imsg : pIntuiMessage;
|
||||
msg : pMessage;
|
||||
key : char;
|
||||
idcmp, vanil : longint;
|
||||
idcmp, vanil : Longint;
|
||||
begin
|
||||
key := #0;
|
||||
info := OpenInfo;
|
||||
@ -516,7 +585,7 @@ begin
|
||||
if (imsg^.Class_ = IDCMP_VANILLAKEY) or (imsg^.Class_ = IDCMP_RAWKEY) then key := char(imsg^.Code);
|
||||
|
||||
ReplyMsg(pMessage(imsg));
|
||||
until key <> char(0);
|
||||
until key <> #0;
|
||||
|
||||
repeat
|
||||
msg := GetMsg(win^.UserPort);
|
||||
@ -532,22 +601,60 @@ begin
|
||||
ReadKey := key;
|
||||
end;
|
||||
|
||||
procedure textcolor(fgpen : byte);
|
||||
function KeyPressed : Boolean;
|
||||
const
|
||||
IDCMP_VANILLAKEY = $00200000;
|
||||
IDCMP_RAWKEY = $00000400;
|
||||
var
|
||||
info : pInfoData;
|
||||
win : pWindow;
|
||||
imsg : pIntuiMessage;
|
||||
msg : pMessage;
|
||||
idcmp, vanil : Longint;
|
||||
ispressed : Boolean;
|
||||
begin
|
||||
Write($9b, '3', fgpen, 'm');
|
||||
ispressed := False;
|
||||
info := OpenInfo;
|
||||
|
||||
if info <> nil then begin
|
||||
win := pWindow(pConUnit((pIoStdReq(info^.id_InUse))^.io_Unit)^.cu_Window);
|
||||
idcmp := win^.IDCMPFlags;
|
||||
vanil := IDCMP_VANILLAKEY or IDCMP_RAWKEY;
|
||||
|
||||
ModifyIDCMP(win, (idcmp or vanil));
|
||||
|
||||
msg := WaitPort(win^.UserPort);
|
||||
imsg := pIntuiMessage(GetMsg(win^.UserPort));
|
||||
|
||||
if (imsg^.Class_ = IDCMP_VANILLAKEY) or (imsg^.Class_ = IDCMP_RAWKEY) then ispressed := true;
|
||||
|
||||
ReplyMsg(pMessage(imsg));
|
||||
|
||||
repeat
|
||||
msg := GetMsg(win^.UserPort);
|
||||
|
||||
if msg <> nil then ReplyMsg(msg);
|
||||
until msg = nil;
|
||||
|
||||
ModifyIDCMP(win, idcmp);
|
||||
|
||||
CloseInfo(info);
|
||||
end;
|
||||
|
||||
KeyPressed := ispressed;
|
||||
end;
|
||||
|
||||
procedure textbackground(bgpen : byte);
|
||||
procedure TextColor(color : byte);
|
||||
begin
|
||||
Write($9b, '4', bgpen, 'm');
|
||||
Write(CSI, '3', color, 'm');
|
||||
end;
|
||||
|
||||
function keypressed : boolean;
|
||||
procedure TextBackground(color : byte);
|
||||
begin
|
||||
keypressed := true;
|
||||
Write(CSI, '4', color, 'm');
|
||||
end;
|
||||
|
||||
procedure window(left,top,right,bottom : byte);
|
||||
procedure window(X1,Y1,X2,Y2 : Integer);
|
||||
begin
|
||||
end;
|
||||
|
||||
@ -555,24 +662,19 @@ procedure assigncrt(var f : text);
|
||||
begin
|
||||
end;
|
||||
|
||||
procedure delline;
|
||||
procedure DelLine;
|
||||
begin
|
||||
Write($9b,'X');
|
||||
Write(CSI,'X');
|
||||
end;
|
||||
|
||||
procedure delline(line : byte);
|
||||
procedure ClrEol;
|
||||
begin
|
||||
Write($9b,'X');
|
||||
Write(CSI,'K');
|
||||
end;
|
||||
|
||||
procedure clreol;
|
||||
procedure InsLine;
|
||||
begin
|
||||
Write($9b,'K');
|
||||
end;
|
||||
|
||||
procedure insline;
|
||||
begin
|
||||
Write($9b,'1 L');
|
||||
Write(CSI,'1 L');
|
||||
end;
|
||||
|
||||
procedure cursorbig;
|
||||
@ -595,22 +697,22 @@ procedure sound(hz : word);
|
||||
begin
|
||||
end;
|
||||
|
||||
{ MsDos have 1000 ticks per second
|
||||
and Amiga only 50, so we have to
|
||||
do some calcs here.
|
||||
The min value this procedure will
|
||||
handle is 20, (less you will get 0)
|
||||
this will be 1 tick in Amiga. If
|
||||
you want to use amigados delay just
|
||||
use Delay_. }
|
||||
procedure delay(ms : longint);
|
||||
procedure delay(DTime : Word);
|
||||
var
|
||||
dummy : integer;
|
||||
dummy : Longint;
|
||||
begin
|
||||
dummy := trunc((real(ms) / 1000.0) * 50.0);
|
||||
dummy := trunc((real(DTime) / 1000.0) * 50.0);
|
||||
Delay_(dummy);
|
||||
end;
|
||||
|
||||
function CheckBreak : boolean;
|
||||
begin
|
||||
if (SetSignal(0, 0) and SIGBREAKF_CTRL_C) = SIGBREAKF_CTRL_C then
|
||||
CheckBreak := true
|
||||
else
|
||||
CheckBreak := false;
|
||||
end;
|
||||
|
||||
procedure textmode(mode : integer);
|
||||
begin
|
||||
end;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user