diff options
Diffstat (limited to '')
| -rw-r--r-- | Game/Code/Classes/ULCD.pas | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/Game/Code/Classes/ULCD.pas b/Game/Code/Classes/ULCD.pas new file mode 100644 index 00000000..a127c689 --- /dev/null +++ b/Game/Code/Classes/ULCD.pas @@ -0,0 +1,287 @@ +unit ULCD;
+
+interface
+
+type
+ TLCD = class
+ private
+ Enabled: boolean;
+ Text: array[1..6] of string;
+ StartPos: integer;
+ LineBR: integer;
+ Position: integer;
+ procedure WriteCommand(B: byte);
+ procedure WriteData(B: byte);
+ procedure WriteString(S: string);
+ public
+ HalfInterface: boolean;
+ constructor Create;
+ procedure Enable;
+ procedure Clear;
+ procedure WriteText(Line: integer; S: string);
+ procedure MoveCursor(Line, Pos: integer);
+ procedure ShowCursor;
+ procedure HideCursor;
+
+ // for 2x16
+ procedure AddTextBR(S: string);
+ procedure MoveCursorBR(Pos: integer);
+ procedure ScrollUpBR;
+ procedure AddTextArray(Line:integer; S: string);
+ end;
+
+var
+ LCD: TLCD;
+
+const
+ Data = $378; // domyślny adres portu
+ Status = Data + 1;
+ Control = Data + 2;
+
+implementation
+
+uses
+ SysUtils, zlportio, UTime;
+
+procedure TLCD.WriteCommand(B: Byte);
+// Wysylanie komend sterujacych
+begin
+ if not HalfInterface then begin
+ zlioportwrite(Control, 0, $02);
+ zlioportwrite(Data, 0, B);
+ zlioportwrite(Control, 0, $03);
+ end else begin
+ zlioportwrite(Control, 0, $02);
+ zlioportwrite(Data, 0, B and $F0);
+ zlioportwrite(Control, 0, $03);
+
+ TimeSleep(0.1);
+
+ zlioportwrite(Control, 0, $02);
+ zlioportwrite(Data, 0, (B * 16) and $F0);
+ zlioportwrite(Control, 0, $03);
+ end;
+
+ if (B=1) or (B=2) then
+ Sleep(2)
+ else
+ TimeSleep(0.1);
+end;
+
+procedure TLCD.WriteData(B: Byte);
+// Wysylanie danych
+begin
+ if not HalfInterface then begin
+ zlioportwrite(Control, 0, $06);
+ zlioportwrite(Data, 0, B);
+ zlioportwrite(Control, 0, $07);
+ end else begin
+ zlioportwrite(Control, 0, $06);
+ zlioportwrite(Data, 0, B and $F0);
+ zlioportwrite(Control, 0, $07);
+
+ TimeSleep(0.1);
+
+ zlioportwrite(Control, 0, $06);
+ zlioportwrite(Data, 0, (B * 16) and $F0);
+ zlioportwrite(Control, 0, $07);
+ end;
+
+ TimeSleep(0.1);
+ Inc(Position);
+end;
+
+procedure TLCD.WriteString(S: string);
+// Wysylanie slow
+var
+ I: integer;
+begin
+ for I := 1 to Length(S) do
+ WriteData(Ord(S[I]));
+end;
+
+constructor TLCD.Create;
+begin
+//
+end;
+
+procedure TLCD.Enable;
+var
+ A: byte;
+ B: byte;
+begin
+ Enabled := true;
+ if not HalfInterface then
+ WriteCommand($38)
+ else begin
+ WriteCommand($33);
+ WriteCommand($32);
+ WriteCommand($28);
+ end;
+
+// WriteCommand($06);
+// WriteCommand($0C);
+// sleep(10);
+end;
+
+procedure TLCD.Clear;
+begin
+ if Enabled then begin
+ WriteCommand(1);
+ WriteCommand(2);
+ Text[1] := '';
+ Text[2] := '';
+ Text[3] := '';
+ Text[4] := '';
+ Text[5] := '';
+ Text[6] := '';
+ StartPos := 1;
+ LineBR := 1;
+ end;
+end;
+
+procedure TLCD.WriteText(Line: integer; S: string);
+begin
+ if Enabled then begin
+ if Line <= 2 then begin
+ MoveCursor(Line, 1);
+ WriteString(S);
+ end;
+
+ Text[Line] := '';
+ AddTextArray(Line, S);
+ end;
+end;
+
+procedure TLCD.MoveCursor(Line, Pos: integer);
+var
+ I: integer;
+begin
+ if Enabled then begin
+ Pos := Pos + (Line-1) * 40;
+
+ if Position > Pos then begin
+ WriteCommand(2);
+ for I := 1 to Pos-1 do
+ WriteCommand(20);
+ end;
+
+ if Position < Pos then
+ for I := 1 to Pos - Position do
+ WriteCommand(20);
+
+ Position := Pos;
+ end;
+end;
+
+procedure TLCD.ShowCursor;
+begin
+ if Enabled then begin
+ WriteCommand(14);
+ end;
+end;
+
+procedure TLCD.HideCursor;
+begin
+ if Enabled then begin
+ WriteCommand(12);
+ end;
+end;
+
+procedure TLCD.AddTextBR(S: string);
+var
+ Word: string;
+ W: integer;
+ P: integer;
+ L: integer;
+begin
+ if Enabled then begin
+ if LineBR <= 6 then begin
+ L := LineBR;
+ P := Pos(' ', S);
+
+ if L <= 2 then
+ MoveCursor(L, 1);
+
+ while (L <= 6) and (P > 0) do begin
+ Word := Copy(S, 1, P);
+ if (Length(Text[L]) + Length(Word)-1) > 16 then begin
+ L := L + 1;
+ if L <= 2 then
+ MoveCursor(L, 1);
+ end;
+
+ if L <= 6 then begin
+ if L <= 2 then
+ WriteString(Word);
+ AddTextArray(L, Word);
+ end;
+
+ Delete(S, 1, P);
+ P := Pos(' ', S)
+ end;
+
+ LineBR := L + 1;
+ end;
+ end;
+end;
+
+procedure TLCD.MoveCursorBR(Pos: integer);
+var
+ I: integer;
+ L: integer;
+begin
+ if Enabled then begin
+ Pos := Pos - (StartPos-1);
+ if Pos <= Length(Text[1]) then
+ MoveCursor(1, Pos);
+
+ if Pos > Length(Text[1]) then begin
+ // bez zawijania
+// Pos := Pos - Length(Text[1]);
+// MoveCursor(2, Pos);
+
+ // z zawijaniem
+ Pos := Pos - Length(Text[1]);
+ ScrollUpBR;
+ MoveCursor(1, Pos);
+ end;
+ end;
+end;
+
+procedure TLCD.ScrollUpBR;
+var
+ T: array[1..5] of string;
+ SP: integer;
+ LBR: integer;
+begin
+ if Enabled then begin
+ T[1] := Text[2];
+ T[2] := Text[3];
+ T[3] := Text[4];
+ T[4] := Text[5];
+ T[5] := Text[6];
+ SP := StartPos + Length(Text[1]);
+ LBR := LineBR;
+
+ Clear;
+
+ StartPos := SP;
+ WriteText(1, T[1]);
+ WriteText(2, T[2]);
+ WriteText(3, T[3]);
+ WriteText(4, T[4]);
+ WriteText(5, T[5]);
+ LineBR := LBR-1;
+ end;
+end;
+
+procedure TLCD.AddTextArray(Line: integer; S: string);
+begin
+ if Enabled then begin
+ Text[Line] := Text[Line] + S;
+ end;
+end;
+
+end.
+
|