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- {$ifdef testingdevices}
-
- Procedure devicedone (VAR t:textrec; m:mstr);
- VAR r:registers;
- cnt:integer;
- begin
- write (usr,'Device ');
- cnt:=0;
- while t.name[cnt]<>#0 do begin
- write (usr,t.name[cnt]);
- cnt:=cnt+1
- end;
- writeln (usr,' ',m,'... press any key');
- r.ax:=0;
- intr ($16,r);
- if r.al=3 then halt
- end;
-
- {$endif}
-
- {$F+}
-
- Function opendevice;
- begin
- {$ifdef testingdevices} devicedone (t,'opened'); {$endif}
- t.handle:=1;
- t.mode:=fminout;
- t.bufend:=0;
- t.bufpos:=0;
- opendevice:=0
- end;
-
- Function closedevice;
- begin
- {$ifdef testingdevices} devicedone (t,'closed'); {$endif}
- t.handle:=0;
- t.mode:=fmclosed;
- t.bufend:=0;
- t.bufpos:=0;
- closedevice:=0
- end;
-
- Function cleardevice;
- begin
- {$ifdef testingdevices} devicedone (t,'cleared'); {$endif}
- t.bufend:=0;
- t.bufpos:=0;
- cleardevice:=0
- end;
-
- Function ignorecommand;
- begin
- {$ifdef testingdevices} devicedone (t,'ignored'); {$endif}
- ignorecommand:=0
- end;
-
- Function directoutchars;
- VAR cnt:integer;
- begin
- for cnt:=t.bufend to t.bufpos-1 do
- directoutchar (t.bufptr^[cnt]);
- t.bufend:=0;
- t.bufpos:=0;
- directoutchars:=0
- end;
-
- Function writechars;
- VAR cnt:integer;
- begin
- for cnt:=t.bufend to t.bufpos-1 do
- writechar (t.bufptr^[cnt]);
- t.bufend:=0;
- t.bufpos:=0;
- writechars:=0
- end;
-
- Function directinchars;
- begin
- with t do begin
- bufptr^[0]:=waitforchar;
- t.bufpos:=0;
- t.bufend:=1
- end;
- directinchars:=0
- end;
-
- Function readcharfunc;
- begin
- with t do begin
- bufptr^[0]:=getinputchar;
- t.bufpos:=0;
- t.bufend:=1
- end;
- readcharfunc:=0
- end;
-
- {$F-}
-