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- unit Misc;
-
- interface
-
- uses Crt,Graph,Globals;
-
- function Exist(FileName:string):boolean;
- function Lowest (a,b:integer):integer;
- function DeCode (Txt:string) :string;
- procedure TextSize (mx,dx,my,dy:word);
- function St(num:integer):str80;
- procedure Sound (Frq : integer);
- procedure Delay (Ms : integer);
- procedure Black (x,y,x1,y1:word);
- procedure FindFile (FilName :string);
-
- implementation
-
- function Exist(FileName:string):boolean;
- var
- fil:file;
- begin
- Assign (Fil,FileName); {$I-}
- Reset (Fil); {$I+}
- if IOresult<>0 then Exist := False
- else begin
- Close (Fil);
- Exist:=(IOResult=0);
- end;
- end;
-
- function Lowest (a,b:integer):integer;
- begin
- if a<b then Lowest:=a else Lowest:=b;
- end;
-
- function DeCode (Txt:string) : string;
- var Ctr:byte;
- begin
- for Ctr:=1 to Length(Txt) do
- Dec (Txt[Ctr], 128);
- DeCode := Txt;
- end;
-
- procedure TextSize (mx,dx,my,dy:word);
- begin
- SetUserCharSize (mx,dx,my,dy);
- SetTextStyle (SmallFont,HorizDir,UserCharSize);
- end;
-
- function St(num:integer):str80;
- var strg:str80;
- begin
- Str(num,strg);
- St:=strg;
- end;
-
- (*procedure Sound1 (Frq : integer);
- begin
- Sound (Frq);
- end;*)
- procedure Sound (Frq : integer);
- begin
- if Noise then Crt.Sound (Frq);
- end;
-
- (*procedure Delay1 (Ms : integer);
- begin
- Delay (Ms);
- end;*)
- procedure Delay (Ms : integer);
- begin
- Crt.Delay (Ms * ((Pause div 10)+1));
- end;
-
- procedure Black (x,y,x1,y1:word);
- begin
- SetViewPort (x,y,x1,y1,ClipOn);
- ClearViewPort;
- SetViewPort (0,0,319,199,ClipOn);
- end;
-
- procedure FindFile (FilName : string);
- begin
- if not Exist (FilName) then begin
- TextMode (Co80);
- Writeln ('SPACE ADVENTURE error :');
- Writeln ('The file ',FilName,' is missing !');
- Halt;
- end;
- end;
-
- end.