518 lines
11 KiB
ObjectPascal
518 lines
11 KiB
ObjectPascal
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unit Unit1;
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interface
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uses
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SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
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Forms, Dialogs, StdCtrls, Grids, Outline, DirOutln, FileCtrl, Buttons,
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Gauges, ExtCtrls, Spin, Mask;
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type
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TForm1 = class(TForm)
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DriveComboBox1: TDriveComboBox;
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FilterComboBox1: TFilterComboBox;
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FileListBox1: TFileListBox;
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DirectoryListBox1: TDirectoryListBox;
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SpeedButton1: TSpeedButton;
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SpeedButton2: TSpeedButton;
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Memo1: TMemo;
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Memo2: TMemo;
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Memo3: TMemo;
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SpeedButton3: TSpeedButton;
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SpeedButton4: TSpeedButton;
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Gauge1: TGauge;
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SpeedButton5: TSpeedButton;
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SpeedButton6: TSpeedButton;
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SpinButton1: TSpinButton;
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MaskEdit1: TMaskEdit;
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SpeedButton8: TSpeedButton;
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SpinButton2: TSpinButton;
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okm: TCheckBox;
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Label1: TLabel;
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procedure FormActivate(Sender: TObject);
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procedure SpinButton1DownClick(Sender: TObject);
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procedure SpinButton1UpClick(Sender: TObject);
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procedure showadress(Sender: TObject);
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procedure SpeedButton6Click(Sender: TObject);
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procedure SpeedButton8Click(Sender: TObject);
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procedure MaskEdit1Change(Sender: TObject);
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procedure SpinButton2DownClick(Sender: TObject);
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procedure SpinButton2UpClick(Sender: TObject);
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procedure SpeedButton3Click(Sender: TObject);
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procedure Memo2Click(Sender: TObject);
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private
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{ Private-d<>clarations }
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public
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{ Public-d<>clarations }
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end;
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const UNESEC = 1000;
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DIXSEC = 4000;
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ACK = $00;
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NAK = $FF;
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MAXTRY = 5;
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type DBloc = array[ 1..15534 ] of byte;
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type BHEADER = record
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case boolean of
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true : ( Checksum:byte;
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Lenb : byte;
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Lenh : byte;
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Token : byte;
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);
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false : ( Champ : array[ 0..3 ] of byte );
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end;
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var
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Form1: TForm1;
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Inlpt : word;
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Outlpt : word;
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times : longint;
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Block : DBLOC;
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adress :longint;
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errors: boolean;
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reste:integer;
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pop:boolean;
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implementation
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{$R *.DFM}
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function Getlpt( Number : integer ) : boolean;
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begin
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Outlpt := MemW[ $0040: 6 + Number * 2 ];
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if ( Outlpt <> 0 ) then
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begin
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Inlpt := Outlpt + 1;
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Getlpt := TRUE;
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end
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else
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Getlpt := FALSE;
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end;
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function getfirstlpt:byte;
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var i:integer;
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begin
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i:=1;
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while (not(getlpt(i)) or (i>4)) do inc(i);
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if (getlpt(i)=false) then i:=0;
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getfirstlpt:= i;
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end;
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function getb:byte;
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begin
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getb:=port[inlpt] and $F8
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end;
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procedure putb(what:byte);
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begin
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port[outlpt]:=what;
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end;
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procedure starttimer;
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begin
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times:=GetTickCount;
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end;
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function endtimer:longint;
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begin
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endtimer:=getTickCount-times;
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end;
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function Initlpt( Emetteur : boolean ) : boolean;
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begin
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errors:=false;
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putb($10);
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putb($18);
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putb($10);
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starttimer;
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if ( Emetteur ) then
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begin
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while ( ( GetB <> $00 ) and ( Endtimer <= DIXSEC ) ) do;
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end
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else
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begin
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while ( ( GetB <> $00 ) and ( Endtimer <= DIXSEC ) ) do;
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PutB( $10 );
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end;
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Initlpt := ( Endtimer <= DIXSEC );
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end;
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function sendlpt( Wert : byte ) : boolean;
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var Retour : byte;
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label fin;
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begin
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if errors then goto fin;
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Starttimer;
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PutB( Wert and $0F );
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while ( ( ( GetB and 128 ) = 0 ) and ( Endtimer <= DIXSEC )) do;
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if ( Endtimer > DIXSEC ) then
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begin
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errors:=true;
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goto fin;
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end;
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Retour := ( GetB shr 3 ) and $0F;
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Starttimer;
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PutB( ( Wert shr 4 ) or $10 );
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while ( ( ( GetB and 128 ) <> 0 ) and ( Endtimer <= DIXSEC ) ) do
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if ( Endtimer > DIXSEC ) then
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begin
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errors:=true;
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goto fin;
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end;
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Retour := Retour or ( ( GetB shl 1 ) and $F0 );
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fin:
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sendlpt := ( Wert = Retour );
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end;
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function receivelpt : byte;
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var LoNib,
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HiNib : byte;
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label fin;
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begin
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if errors then goto fin;
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Starttimer;
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while ( ( ( GetB and 128 ) = 0 ) and ( Endtimer <= DIXSEC )) do;
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if ( Endtimer > DIXSEC ) then
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begin
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errors:=true;
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goto fin;
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end;
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LoNib := ( GetB shr 3 ) and $0F;
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PutB( LoNib );
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Starttimer;
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while ( ( ( GetB and 128 ) <> 0 ) and ( Endtimer <= DIXSEC ) ) do;
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if ( Endtimer > DIXSEC ) then
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begin
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errors:=true;
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goto fin;
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end;
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HiNib := ( GetB shl 1 ) and $F0;
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PutB( ( HiNib shr 4 ) or $10 );
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fin:
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receivelpt := ( LoNib or HiNib );
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end;
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function checksum8(Nombre:word;Dptr : pointer):byte ;
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var donnees : ^DBloc ;
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i:word;
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ch:byte;
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begin
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ch:=0;
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donnees:=dptr;
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for i:=1 to Nombre do ch:=ch + Donnees^[ i ];
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checksum8:=ch;
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end;
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function SendlptBlock( Token : byte;
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Nombre : word;
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Dptr : pointer ):boolean;
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var header : BHEADER;
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ok : boolean;
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i : word;
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trys : word;
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Donnees : ^DBloc;
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label fin;
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begin
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form1.gauge1.visible:=true;
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header.Token := Token;
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header.Lenb := (Nombre and $FF00) shr 8;
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header.Lenh := Nombre and $FF;
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header.Checksum:=checksum8(nombre,Dptr);
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trys := MAXTRY;
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repeat
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ok := TRUE;
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for i := 0 to 3 do
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ok := ok and sendlpt( Header.Champ[ i ] );
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if ( ok ) then
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ok := ok and sendlpt( ACK )
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else
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ok := ok and sendlpt( NAK );
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if ( not ok ) then
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dec( trys );
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until ( ( ok ) or ( trys = 0 ) or (errors));
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if ( (trys = 0) or (errors)) then
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begin
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goto fin;
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SendlptBlock:=false;
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end;
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if ( Nombre > 0 ) then
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begin
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Donnees := DPTR;
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trys := MAXTRY;
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repeat
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ok := TRUE;
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for i := Nombre downto 1 do
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begin
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ok := ok and sendlpt( Donnees^[ i ] );
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reste:=trunc(100-i/nombre*100);
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form1.gauge1.progress:=reste
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end;
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if ( ok ) then
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ok := ok and sendlpt( ACK )
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else
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ok := ok and sendlpt( NAK );
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if ( not ok ) then
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dec( trys );
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until ( ( ok ) or ( trys = 0 ) or (errors));
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if ( (trys = 0) or (errors)) then
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begin
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goto fin;
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SendlptBlock:=false;
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end;
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end;
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SendlptBlock:=true;
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fin:
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form1.gauge1.visible:=false;
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end;
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function ReceivelptBlock( var Token : byte;
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var Len : word;
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Dptr : pointer ):boolean;
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var header : BHEADER;
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ok : boolean;
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i : word;
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trys : word;
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EscapeStatus : boolean;
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ByteBuffer : byte;
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Donnees : ^DBloc;
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label fin,good;
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begin
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form1.gauge1.visible:=true;
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trys := MAXTRY;
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repeat
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for i:= 0 to 3 do
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Header.Champ[ i ] := receivelpt;
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ByteBuffer := receivelpt;
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if ( ByteBuffer <> ACK ) then
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dec( trys );
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until ( ( trys = 0 ) or ( ByteBuffer = ACK ) or (errors));
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if ( (trys = 0) or (errors)) then
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begin
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goto fin;
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receivelptblock:=false;
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end;
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Token := Header.Token;
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Len := Header.Lenh+(Header.Lenb shl 8);
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if ( Len > 0 ) then
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begin
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Donnees := Dptr;
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trys := MAXTRY;
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repeat
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for i := len downto 1 do
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begin
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Donnees^[ i ] := receivelpt;
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reste:=trunc(100-i/len*100);
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form1.gauge1.progress:=reste
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end;
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ByteBuffer := receivelpt;
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if ( ByteBuffer <> ACK ) then
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dec( trys );
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until ( ( trys = 0 ) or ( ByteBuffer = ACK ) );
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if ( trys = 0 ) then
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begin
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goto fin;
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receivelptblock:=false;
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end;
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end;
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receivelptblock:=true;
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fin:
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form1.gauge1.visible:=false;
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end;
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function Sendfile(name:string):boolean;
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var lus:word;
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Fichier:file;
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begin
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assign( Fichier, Name );
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reset( Fichier, 1 );
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Blockread( Fichier, Block, 15000, Lus );
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if lus>0 then
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Sendfile:=SendlptBlock( 1, Lus, @Block )
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else
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Sendfile:=false;
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end;
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procedure TForm1.FormActivate(Sender: TObject);
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begin
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adress:=0;
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showadress(sender);
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Memo2Click(Sender);
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SpeedButton8Click(Sender);
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pop:=true;
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end;
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procedure TForm1.SpinButton1DownClick(Sender: TObject);
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begin
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if (adress>0) and okm.checked then
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begin
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dec(adress);
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SpeedButton6Click(Sender);
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end;
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end;
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procedure TForm1.SpinButton1UpClick(Sender: TObject);
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begin
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if (adress<65536*16) and okm.checked then
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begin
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inc(adress);
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SpeedButton6Click(Sender);
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end;
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end;
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function hextoint(hex:string;n:word):longint;
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var
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resu,exp:longint;
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i:word;
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begin
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hex :=UpperCase(hex);
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resu:=0;
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exp:=1;
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for i:=n downto 1 do
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begin
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resu:=resu+(Pos(hex[i],'0123456789ABCDEF')-1)*(exp);
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exp:=exp*16
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end;
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hextoint:=resu;
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end ;
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function adresstoint(hex:string):longint;
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begin
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adresstoint:=hextoint(Copy(hex, 1, 4),4)shl 4 + hextoint(Copy(hex, length(hex)-3, 4),4)
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end;
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|||
|
|
procedure TForm1.showadress(Sender: TObject);
|
|||
|
|
var i,j,adh,adl:word;
|
|||
|
|
adress2:longint;
|
|||
|
|
old,old2:string;
|
|||
|
|
begin
|
|||
|
|
memo1.clear;
|
|||
|
|
memo2.clear;
|
|||
|
|
memo3.clear;
|
|||
|
|
for i:=0 to 29 do
|
|||
|
|
begin
|
|||
|
|
adress2:=adress+i*16;
|
|||
|
|
adl:=adress2 and $FFFF;
|
|||
|
|
adh:=(adress2 and $F0000) shr 4;
|
|||
|
|
memo1.lines.add(IntToHex(adh,4)+':'+IntToHex(adl,4)) ;
|
|||
|
|
old:='';
|
|||
|
|
old2:='';
|
|||
|
|
for j:=1 to 16 do
|
|||
|
|
begin
|
|||
|
|
old:=old+inttohex(block[i*16+j],2);
|
|||
|
|
if block[i*16+j]=0 then
|
|||
|
|
old2:=old2+'.'
|
|||
|
|
else
|
|||
|
|
old2:=old2+char(block[i*16+j]) ;
|
|||
|
|
if j mod 2=0 then old:=old+' ';
|
|||
|
|
end;
|
|||
|
|
memo2.lines.add(old) ;
|
|||
|
|
memo3.lines.add(old2) ;
|
|||
|
|
end
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
procedure TForm1.SpeedButton8Click(Sender: TObject);
|
|||
|
|
begin
|
|||
|
|
if getfirstlpt=0 then showmessage('Pas de port parall<6C>le d<>tect<63>');
|
|||
|
|
errors:=false;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
procedure TForm1.SpeedButton6Click(Sender: TObject);
|
|||
|
|
var adl,adh,good:word;
|
|||
|
|
tok:byte;
|
|||
|
|
ok:boolean;
|
|||
|
|
begin
|
|||
|
|
if (inlpt=0) then SpeedButton8Click(sender);
|
|||
|
|
if ((inlpt<>0) and (initlpt(true))) then
|
|||
|
|
begin
|
|||
|
|
adl:=adress and $FFFF;
|
|||
|
|
adh:=(adress and $F0000) shr 4;
|
|||
|
|
Block[1]:=lo(adl);
|
|||
|
|
Block[2]:= hi(adl);
|
|||
|
|
Block[3]:= lo(adh);
|
|||
|
|
Block[4]:= hi(adh);
|
|||
|
|
Block[5]:= lo(512);
|
|||
|
|
Block[6]:= hi(512) ;
|
|||
|
|
ok:=false;
|
|||
|
|
if SendlptBlock( 1,6,@Block) then ok:=receivelptBlock(tok,good ,@Block); {demande de RAM}
|
|||
|
|
if not(ok) or errors then Showmessage('Erreur de transmission !!!!!!!!!!');
|
|||
|
|
showadress(sender);
|
|||
|
|
end
|
|||
|
|
else
|
|||
|
|
Showmessage('Pas de PC distant');
|
|||
|
|
putb($08);
|
|||
|
|
errors:=false;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
procedure TForm1.MaskEdit1Change(Sender: TObject);
|
|||
|
|
begin
|
|||
|
|
if pop then
|
|||
|
|
begin
|
|||
|
|
adress:=adresstoint(maskedit1.text);
|
|||
|
|
if okm.checked=true then SpeedButton6Click(sender);
|
|||
|
|
showadress(sender);
|
|||
|
|
end;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
procedure TForm1.SpinButton2DownClick(Sender: TObject);
|
|||
|
|
begin
|
|||
|
|
if (adress+16*30<=65536*16) and okm.checked then
|
|||
|
|
begin
|
|||
|
|
adress:=adress+16*30;
|
|||
|
|
SpeedButton6Click(Sender);
|
|||
|
|
end;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
procedure TForm1.SpinButton2UpClick(Sender: TObject);
|
|||
|
|
begin
|
|||
|
|
if (adress-16*30>=0) and okm.checked then
|
|||
|
|
begin
|
|||
|
|
adress:=adress-16*30;
|
|||
|
|
SpeedButton6Click(Sender);
|
|||
|
|
end;
|
|||
|
|
end;
|
|||
|
|
procedure TForm1.SpeedButton3Click(Sender: TObject);
|
|||
|
|
var adl,adh,good:word;
|
|||
|
|
adress2:longint;
|
|||
|
|
tok:byte;
|
|||
|
|
ok:boolean;
|
|||
|
|
begin
|
|||
|
|
if (inlpt=0) then SpeedButton8Click(sender);
|
|||
|
|
if ((inlpt<>0) and (initlpt(true))) then
|
|||
|
|
begin
|
|||
|
|
adress2 :=adresstoint(maskedit1.text);
|
|||
|
|
adl:=adress2 and $FFFF;
|
|||
|
|
adh:=(adress2 and $F0000) shr 4;
|
|||
|
|
Block[1]:=lo(adl);
|
|||
|
|
Block[2]:= hi(adl);
|
|||
|
|
Block[3]:= lo(adh);
|
|||
|
|
Block[4]:= hi(adh);
|
|||
|
|
ok:=SendlptBlock( 7,4,@Block);
|
|||
|
|
if not(ok) or errors then Showmessage('Erreur de transmission !!!!!!!!!!');
|
|||
|
|
end
|
|||
|
|
else
|
|||
|
|
Showmessage('Pas de PC distant');
|
|||
|
|
putb($18);
|
|||
|
|
errors:=false;
|
|||
|
|
end;
|
|||
|
|
procedure TForm1.Memo2Click(Sender: TObject);
|
|||
|
|
var ligne,col,pos,adl,adh:word;
|
|||
|
|
adress2:longint;
|
|||
|
|
begin
|
|||
|
|
ligne:=memo2.selstart div 42;
|
|||
|
|
col:= (trunc((memo2.selstart mod 42+1) / 2.5));
|
|||
|
|
pos:=16*ligne+col;
|
|||
|
|
label1.caption:=inttostr(ligne)+':'+inttostr(col)+':'+inttostr(pos);
|
|||
|
|
adress2:=pos+adress;
|
|||
|
|
adl:=adress2 and $FFFF;
|
|||
|
|
adh:=(adress2 and $F0000) shr 4;
|
|||
|
|
pop:=false;
|
|||
|
|
maskedit1.text:=inttohex(adh,4)+':'+inttohex(adl,4);
|
|||
|
|
pop:=true;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
end.
|