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Stefan Koelle
@@ -0,0 +1,2 @@
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c:\progs\tp\tpc textgraf.pas
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c:\progs\tp\tpc star-int.pas
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@@ -0,0 +1,323 @@
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unit TextGraf;
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interface
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uses dos;
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type
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MonitorTyp = (Hercules, EGA, VGA, other);
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VGAColorInfo = array[0..2] of byte; { eine VGA-Farbe: nur f�r Demo }
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VGAColors = array[0..255] of VGAColorInfo; { alle VGA-Farben: dito }
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function InitTextGraf: integer;
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{ Muá ganz zu Anfang des Programms, noch im Textmodus aufgerufen
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werden. Ohne das funktioniert der Rest nicht. Ergebnis 0: Alles Ok,
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unbekannter Videotyp: -1, zuwenig Speicher: 1 (Bedarf ca. 12Kb) }
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procedure SetPaletteSave(On: boolean);
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{ Mit On = true nach InitTextGraf und im Textmodus aufrufen. Sichert die
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Textpalette und reserviert Speicher f�r die Grafikpalette, die dann
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automatisch verwendet werden. On = false schaltet diese Automatik
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wieder ab und gibt den Speicher f�r die Paletten (ca. 1.5Kb) frei.}
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procedure ToText;
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{ Schaltet vom Grafik- in den Testmodus. Bildspeicher etc. werden in
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Sicherheit gebracht }
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procedure ToGraph;
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{ Schaltet in die Grafik zur�ck. Vorher sollte ein Grafikmodus mit
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ToText verlassen worden sein, um alle Werte zu initialisieren }
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procedure GrafikMode(Mode: byte);
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{ nur f�r das Demoprogramm. Kann gel”scht werden, wenn BGI-Routinen
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(InitGraph) verwendet werden }
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function GetMonTyp: MonitorTyp;
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{ dito }
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procedure SetVGAColors(var Colors: VGAColors);
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{ dito }
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implementation
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type
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ScreenArray = array[0..3999] of word; { Bildspeicher bei 80x25 }
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CharGenArray = array[0..8191] of byte; { Zeichengenerator }
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ModeType = (Text, Grafik, unknown);
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var
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regs: registers; { f�r intr }
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CharGen: CharGenArray absolute $A000:0; { Adresse Zeichengenerator }
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BMode: byte absolute $40:$49; { Bios-Videomode }
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const
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VModus: ModeType = unknown;
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VMonitor: MonitorTyp = other; { Vorgabe: nichts gutes }
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TScreen: ^ScreenArray = nil; { zeigt in den Bildspeicher }
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ScrBuf: ^ScreenArray = nil; { speichert Textschirm zwischen }
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CGBuf: ^CharGenArray = nil; { speichert Zeichengenerator }
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ModeNr: byte = $FF; { Kennung f�r Init }
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TMode: byte = $FF; { der zu restaurierende Textmodus }
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GMode: byte = $FF; { dito Grafikmodus }
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VGATextPal: ^VGAColors = nil;
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VGAGraphPal: ^VGAColors = nil;
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function IsVga: boolean; { haben wir VGA }
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begin
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with regs do
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begin
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AX:= $1A00; { Display Combination abfragen }
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Intr($10, regs);
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IsVga:= (AL = $1A); { g�ltiger Aufruf }
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end;
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end;
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function IsEGA: boolean; { liegt wenigstens EGA vor }
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begin
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with regs do
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begin
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AH:= $12; { Funktion $12 }
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BL:= $10; { get EGA Information }
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Intr($10, regs);
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IsEga:= (BL <> $10); { hat sich was ge„ndert ? }
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end;
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end;
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procedure GetVGAColors(var Colors: VGAColors);
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begin
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with regs do
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begin
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ax:= $1017;
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bx:= 0;
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cx:= 255;
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es:= seg(Colors);
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dx:= ofs(Colors);
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intr($10, regs);
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end;
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end;
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procedure SetVGAColors(var Colors: VGAColors);
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begin
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with regs do
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begin
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ax:= $1012;
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bx:= 0;
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cx:= 255;
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es:= seg(Colors);
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dx:= ofs(Colors);
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intr($10, regs);
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end;
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end;
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procedure NoInitStop;
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begin
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writeln('TextGraph ist nicht initialisiert! Benutzen Sie InitTextGraph!');
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halt(2);
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end;
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procedure HercTextMode;
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var i: integer;
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ModeReg: byte absolute 0:$465;
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const HData: array[0..13] of byte = { Timingdaten! Nicht ver„ndern! }
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($61,$50,$52,$0f,$19,$06,$19,$19,$02,$0d,$0b,$0c,0,0);
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begin
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port[$3bf]:= 0; { Config Reg: HalfMode: eine Seite (3 f�r Full Mode) }
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port[$3b8]:= $21; { Mode Control: Dunkel, Text, 80x25 }
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for i:= 0 to 13 do { die Timing-Daten komplett }
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begin
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port[$3b4]:= i; { Index Laden (Register einblenden) }
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port[$3b5]:= HData[i]; { Wert schreiben }
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end;
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port[$3b8]:= $29; { ModeControl: Hell, Text, 80x25 }
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ModeReg:= $29; { im BIOS-Ram protokollieren }
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end;
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procedure HercGraphMode;
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var i: integer;
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ModeReg: byte absolute 0:$465;
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const HData: array[0..13] of byte = { Timingdaten! Nicht ver„ndern! }
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($35,$2d,$2e,$07,$5b,$02,$57,$57,$02,$03,0,0,0,0);
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begin
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port[$3bf]:= 1; { Config Reg: HalfMode: eine Seite (3 f�r Full Mode) }
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port[$3b8]:= 2; { Mode Control: Dunkel, Grafik, Seite 0 }
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for i:= 0 to 13 do { die Timing-Daten komplett }
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begin
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port[$3b4]:= i; { Index Laden (Register einblenden) }
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port[$3b5]:= HData[i]; { Wert schreiben }
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end;
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port[$3b8]:= $0a; { ModeControl: Hell, Grafik, Seite 0 }
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ModeReg:= $0a; { im BIOS-Ram protokollieren }
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end;
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procedure GrafikMode(Mode: byte); { Setzt den Videomodus, nur f�r Demo }
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var i: integer;
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begin
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if VMonitor <> Hercules then { alle auáer Hercules sind sehr einfach }
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with regs do
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begin
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AX:= Mode; { AH:= 0; AL:= Mode }
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Intr($10, regs);
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end
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else
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begin
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HercGraphMode;
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fillchar(ptr($B000,0)^, $8000, 0); { Clearscreen }
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end;
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end;
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function GetMonTyp: MonitorTyp; { Zugriffsfunktion, nur f�r das Demo }
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begin
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GetMonTyp:= VMonitor;
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end;
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procedure ToTextVGA; { sichert den Teil des Grafik-Bildspeichers, der }
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var b: byte; { vom Zeichengenerator �berschrieben wird }
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begin
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regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
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intr($10, regs); { Bildspeicher bleibt erhalten }
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Port[$3ce]:= 4; { Read Map Select holen }
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b:= Port[$3cf]; { lesen }
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Port[$3cf]:= 2; { Plane 2 ein }
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CGBuf^:= CharGen; { Grafikinhalt von Zeichengenerator sichern }
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Port[$3cf]:= b; { Wert zur�ck }
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end;
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procedure ToTextEGA; { wie oben jedoch Variante f�r EGA, }
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var b: byte; { deren Register nicht lesbar sind }
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begin
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regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
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intr($10, regs); { Bildspeicher bleibt erhalten }
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Port[$3ce]:= 4; { Read Map Select holen }
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Port[$3cf]:= 2; { Plane 2 ein }
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CGBuf^:= CharGen; { Grafikinhalt von Zeichengenerator sichern }
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Port[$3cf]:= 0; { Default zur�ck }
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end;
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procedure ToGraphVGA; { �berschreibt den Zeichengenerator mit }
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var b: byte; { gesicherten Grafikinhalt }
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begin
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regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
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intr($10, regs); { Bildspeicher bleibt erhalten }
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Port[$3C4]:= 2; { Map Mask Register holen }
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b:= Port[$3c5]; { lesen }
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Port[$3c5]:= 4; { Plane 2 ein }
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CharGen:= CGBuf^; { Zeichengenerator zur�ck }
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Port[$3c5]:= b; { Wert zur�ck }
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end;
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procedure ToGraphEGA; { wie oben jedoch Variante f�r EGA, }
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var b: byte; { deren Register nicht lesbar sind }
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begin
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regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
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intr($10, regs); { Bildspeicher bleibt erhalten }
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Port[$3C4]:= 2; { Map Mask Register holen }
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Port[$3c5]:= 4; { Plane 2 ein }
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CharGen:= CGBuf^; { Zeichengenerator kopieren }
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Port[$3c5]:= 0; { Default zur�ck }
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end;
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function InitTextGraf: integer; { ermittelt Monitor, setzt Variablen, }
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begin { reserviert Speicher }
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InitTextGraf:= 0;
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if ModeNr <> $FF then exit; { wurde schon aufgerufen, alles ok }
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InitTextGraf:= -1; { Fehlervorgabe: falsche Karte }
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if IsEGA then VMonitor:= EGA; { EGA ? }
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if IsVGA then VMonitor:= VGA; { oder VGA ? }
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TMode:= BMode and $7f;
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if TMode = 7 then
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begin
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TScreen:= ptr($B000,0); { Bildspeicheradresse Text mono setzen }
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if VMonitor = other then { keines von beiden: }
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begin
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VMonitor:= Hercules; { dann Hercules, (evtl Probleme mit CGA-Mono)}
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GMode:= 7; { Modi alle 7 }
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end;
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end else
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TScreen:= ptr($B800,0); { Bildspeicheradresse Text farbig setzen }
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if VMonitor = other then exit; { was anderes? geht nicht! }
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InitTextGraf:= 1; { Fehlervorgabe: kein Speicher }
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if VMonitor in [EGA, VGA] then
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begin { Vorgaben f�r EGA & VGA }
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GMode:= $10; { Grafik 640x350 }
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if MaxAvail >= sizeof(CGBuf) then { Speicher f�r Puffer belegen }
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New(CGBuf)
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else
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exit; { raus mit Fehler 1 }
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end;
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if MaxAvail >= sizeof(ScrBuf) then { noch mehr }
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New(ScrBuf)
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else
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exit; { raus mit Fehler 1 }
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ModeNr:= TMode; { Initialisierung merken }
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InitTextGraf:= 0; { alles ok }
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end;
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procedure SetPaletteSave(On: boolean);
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{ aktiviert oder deaktiviert die automatische Palettensicherung }
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begin
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if ModeNr = $FF then NoInitStop; { schon Init ? }
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if On then
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begin
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if VGATextPal = nil then { gibts schon ? }
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new(VGATextPal); { nein, neu }
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if VGAGraphPal = nil then { dito Grafikpalette }
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new(VGAGraphPal);
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GetVGAColors(VGATextPal^); { Textfarben holen }
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end else
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begin
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if VGATextPal <> nil then { was da ? }
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begin
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dispose(VGATextPal); { freigeben }
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VGATextPal:= nil; { und kennzeichnen }
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end;
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if VGAGraphPal <> nil then { andere auch }
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begin
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dispose(VGAGraphPal);
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VGAGraphPal:= nil;
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end;
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end;
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end;
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procedure ToText; { Schaltet in Textmodus, bringt, was �berschrieben }
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begin { wird in Sicherheit }
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if ModeNr = $FF then NoInitStop; { schon Init ? }
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GMode:= BMode; { Grafikmodus merken }
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case VMonitor of
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VGA: begin
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if VGAGraphPal <> nil then
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GetVGAColors(VGAGraphPal^);
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ToTextVGA; { Zeichengeneratorbereich sichern }
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end;
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EGA: ToTextEGA;
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end; {case}
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if VMonitor = Hercules then
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HercTextMode { Hercules Textmodus ohne Bildspeicher l”schen }
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else
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begin
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regs.ax:= TMode or $80; { Text, Bit 7 = 1: Bildspeicher nicht l”schen }
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intr($10, regs);
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if (VMonitor = VGA) and (VGATextPal <> nil) then
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SetVGAColors(VGATextPal^);
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end;
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scrbuf^:= TScreen^; { Grafikinhalt von Textschirm sichern }
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VModus:= Text;
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end;
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procedure ToGraph; { versucht den Grafikmodus zu restaurieren }
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begin
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if ModeNr = $FF then NoInitStop; { schon Init ? }
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TMode:= BMode;
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TScreen^:= ScrBuf^; { Grafikinhalt zur�ck in Textbildschirm f�llen }
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case VMonitor of
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VGA: begin
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if VGATextPal <> nil then
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GetVGAColors(VGATextPal^);
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ToGraphVGA; { dito Zeichengenerator }
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end;
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EGA: ToGraphEGA;
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end; {case}
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if VMonitor = Hercules then
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HercGraphMode { Hercules handmade Grafikmodus }
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else
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begin
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regs.ax:= GMode or $80; { Text, Bit 7 = 1: Bildspeicher nicht l”schen }
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intr($10, regs);
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if (VMonitor = VGA) and (VGAGraphPal <> nil) then
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SetVGAColors(VGAGraphPal^);
|
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end;
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VModus:= Grafik;
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end;
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end.
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@@ -0,0 +1,186 @@
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{$S-}
|
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{$R-}
|
||||
{$G+}
|
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{$D-}
|
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uses crt,textgraf,WOWTPU,WOWCONST;
|
||||
type
|
||||
lpi = array[0..2] of byte;
|
||||
lp = array[0..255] of lpi;
|
||||
var
|
||||
f : file;
|
||||
k,i,j,x,y,anz : integer;
|
||||
n : word;
|
||||
b : byte;
|
||||
l : lp;
|
||||
p : vgacolors;
|
||||
s : string;
|
||||
c : array[0..130] of byte;
|
||||
ch:char;
|
||||
sx : array[0..300] of integer;
|
||||
sy : array[0..300] of integer;
|
||||
sc : array[0..300] of integer;
|
||||
sc2: array[0..300] of integer;
|
||||
font : array[0..80, 0..7, 0..7] of byte;
|
||||
lauf : string;
|
||||
lx,li: integer;
|
||||
SBPort: word;
|
||||
flag:integer;
|
||||
procedure writeline(wlx,wly : integer; wls : string);
|
||||
begin
|
||||
for i:=1 to length(wls) do begin
|
||||
for x:=0 to 7 do begin
|
||||
for y:=0 to 7 do begin
|
||||
if ord(wls[i])<>32 then
|
||||
mem[$A000: (wly+y) * word(320) + wlx+x+(i-1)*8]:=font[ord(wls[i])-64,x,y]
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
function Key : boolean;
|
||||
var flag : boolean;
|
||||
begin
|
||||
asm
|
||||
mov Flag,0
|
||||
in al,$60
|
||||
test al,128
|
||||
jne @@KeineTaste
|
||||
mov Flag,1
|
||||
@@KeineTaste:
|
||||
end;
|
||||
Key:=Flag;
|
||||
end;
|
||||
begin
|
||||
case InitTextGraf of
|
||||
1: begin end;
|
||||
end;
|
||||
GrafikMode($13);
|
||||
for i:=0 to 31999 do begin
|
||||
mem[$A000:i]:=0;
|
||||
end;
|
||||
for i:=0 to 31999 do begin
|
||||
mem[$A000:i+32000]:=0;
|
||||
end;
|
||||
|
||||
for i:=0 to 255 do begin
|
||||
for j:=0 to 2 do begin
|
||||
p[i,j]:=0;
|
||||
end;
|
||||
end;
|
||||
setvgacolors(p);
|
||||
|
||||
assign(f,'star-int.004');
|
||||
reset(f);
|
||||
blockread(f,c,1,n);
|
||||
for i:=0 to 130 do
|
||||
begin
|
||||
mem[$A000: i]:= c[3+i];
|
||||
end;
|
||||
blockread(f,mem[$A007:13],500,n);
|
||||
close(f);
|
||||
for j:=0 to 1 do begin
|
||||
for i:=0 to 39 do begin
|
||||
for x:=0 to 7 do begin
|
||||
for y:=0 to 7 do begin
|
||||
font[i+j*40,x,y]:= mem[$A000: (y+j*8) * word(320) + x+i*8];
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
assign(f,'star-int.001');
|
||||
reset(f);
|
||||
blockread(f,l,sizeof(l),n);
|
||||
for i:=0 to 255 do
|
||||
begin
|
||||
for j:=0 to 2 do
|
||||
begin
|
||||
p[i,j]:=l[i+1,j];
|
||||
end;
|
||||
end;
|
||||
close(f);
|
||||
|
||||
assign(f,'star-int.003');
|
||||
reset(f);
|
||||
blockread(f,l,sizeof(l),n);
|
||||
for i:=208 to 223 do
|
||||
begin
|
||||
for j:=0 to 2 do
|
||||
begin
|
||||
p[i,j]:=l[i+1-208,j];
|
||||
end;
|
||||
end;
|
||||
close(f);
|
||||
|
||||
assign(f,'star-int.002');
|
||||
reset(f);
|
||||
blockread(f,c,1,n);
|
||||
for i:=0 to 130 do
|
||||
begin
|
||||
mem[$A000: i]:= c[3+i];
|
||||
end;
|
||||
blockread(f,mem[$A007:13],500,n);
|
||||
close(f);
|
||||
|
||||
writeline(74,90, ' star intro');
|
||||
writeline(74,106,' code gfx music');
|
||||
writeline(74,122,' by stefan koelle');
|
||||
writeline(78,138,' press any key');
|
||||
|
||||
randomize;
|
||||
for x:=0 to 150 do
|
||||
begin
|
||||
sx[x] := random(319);
|
||||
repeat
|
||||
k:=0;
|
||||
sy[x] := random(199)+1;
|
||||
for i:=0 to x-1 do
|
||||
begin
|
||||
if sy[i]=sy[x] then k:=1;
|
||||
end;
|
||||
for i:=x+1 to 150 do
|
||||
begin
|
||||
if sy[i]=sy[x] then k:=1;
|
||||
end;
|
||||
until k=0;
|
||||
sc[x] := random(3)+1;
|
||||
sc2[x]:= mem[$A000: sy[x] * word(320) + sx[x]];
|
||||
end;
|
||||
|
||||
setvgacolors(p);
|
||||
SBPort:=IdentifySB;
|
||||
if SBPort=0 then begin (* bei IdentifySB=0 -> Keine Soundblaster *)
|
||||
SBPort:=$42; (* Lautsprecherausgabe *)
|
||||
end;
|
||||
for i:=1 to paramcount do
|
||||
if paramstr(i)='-p' then SBPort:=$42;
|
||||
if sbport=$42 then begin
|
||||
flag:=doit('star-int.005',sbport,0,21000);
|
||||
end else begin
|
||||
flag:=doit('star-int.005',sbport,0,16000);
|
||||
end;
|
||||
repeat
|
||||
for x:=0 to 150 do begin
|
||||
mem[$A000: sy[x] * word(320) + sx[x]]:= sc2[x];
|
||||
sx[x]:=sx[x]+SC[X];
|
||||
if sx[x]>319 then
|
||||
begin
|
||||
sx[x]:=0;
|
||||
sc[x]:=random(3)+1;
|
||||
end;
|
||||
sc2[x]:=mem[$A000: sy[x] * word(320) + sx[x]];
|
||||
if mem[$A000: sy[x] * word(320) + sx[x]]=0 then
|
||||
begin
|
||||
mem[$A000: sy[x] * word(320) + sx[x]]:= (-sc[x]*3)+27;
|
||||
end;
|
||||
end;
|
||||
until key;
|
||||
ch:=readkey;
|
||||
endit;
|
||||
for i:=0 to 31999 do begin
|
||||
mem[$A000:i]:=0;
|
||||
end;
|
||||
for i:=0 to 31999 do begin
|
||||
mem[$A000:i+32000]:=0;
|
||||
end;
|
||||
TEXTMODE(co80);
|
||||
end.
|
||||
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Reference in New Issue
Block a user