97 lines
2.2 KiB
ObjectPascal
97 lines
2.2 KiB
ObjectPascal
unit FormV20;
|
|
|
|
interface
|
|
|
|
uses
|
|
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
|
|
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, VIC20, Vcl.StdCtrls, Vcl.ExtCtrls;
|
|
|
|
const
|
|
ScreenZoom = 2;
|
|
ScreenWidth = 176 * ScreenZoom; // 320
|
|
ScreenHeight = 184 * ScreenZoom; // 200
|
|
|
|
ColorTable: array [0 .. 2] of Cardinal = ($801010, $D0A0A0, $D0A0A0);
|
|
|
|
type
|
|
TFrmVC20 = class(TForm)
|
|
procedure FormCreate(Sender: TObject);
|
|
procedure FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
|
|
procedure FormKeyPress(Sender: TObject; var Key: Char);
|
|
procedure FormDestroy(Sender: TObject);
|
|
private
|
|
{ Private declarations }
|
|
procedure OnScreenWrite(var Msg: TMessage); message WM_SCREEN_WRITE;
|
|
public
|
|
{ Public declarations }
|
|
LastKey: Char;
|
|
VC20: TVC20;
|
|
end;
|
|
|
|
var
|
|
FrmVC20: TFrmVC20;
|
|
|
|
implementation
|
|
|
|
{$R *.dfm}
|
|
|
|
procedure TFrmVC20.FormCreate(Sender: TObject);
|
|
begin
|
|
ClientWidth := ScreenWidth;
|
|
ClientHeight := ScreenHeight;
|
|
|
|
Canvas.Font.Name := 'cbm';
|
|
Canvas.Font.Height := 8 * ScreenZoom;
|
|
Canvas.Brush.Style := bsSolid;
|
|
|
|
VC20 := TVC20.Create;
|
|
VC20.WndHandle := Handle;
|
|
VC20.LoadROM('..\ROMs\kernal.901486-06.bin', $E000); // E000-FFFF
|
|
VC20.LoadROM('..\ROMs\basic.901486-01.bin', $C000); // C000-DFFF
|
|
VC20.Exec;
|
|
end;
|
|
|
|
procedure TFrmVC20.FormDestroy(Sender: TObject);
|
|
begin
|
|
VC20.Free;
|
|
end;
|
|
|
|
procedure TFrmVC20.FormKeyPress(Sender: TObject; var Key: Char);
|
|
begin
|
|
VC20.SetKey(Key, 1);
|
|
LastKey := Key;
|
|
end;
|
|
|
|
procedure TFrmVC20.FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
|
|
begin
|
|
if LastKey <> #0 then
|
|
VC20.SetKey(LastKey, 0);
|
|
LastKey := #0;
|
|
end;
|
|
|
|
procedure TFrmVC20.OnScreenWrite(var Msg: TMessage);
|
|
var
|
|
Addr: Word;
|
|
Value: Integer;
|
|
X, Y: Integer;
|
|
Flag: Cardinal;
|
|
Q1: Byte;
|
|
Sc: Char;
|
|
begin
|
|
Addr := Msg.WParam;
|
|
Value := Msg.LParam;
|
|
|
|
Y := (Addr div 22); //40
|
|
X := (Addr - Y*22); //40
|
|
|
|
Flag := (Value shr 7) and $FF;
|
|
Q1 := Value and $7F;
|
|
Sc := Char((Q1 + 32 * (ord(Q1 < 32) * 2 + ord(Q1 > 63) + ord(Q1 > 95))));
|
|
|
|
Canvas.Font.Color := ColorTable[1 - Flag];
|
|
Canvas.Brush.Color := ColorTable[Flag];
|
|
Canvas.TextOut(X * (8*ScreenZoom), Y * (8*ScreenZoom), Sc);
|
|
end;
|
|
|
|
end.
|