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Jason Aller Floppy Collection
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FORUM25C.ZIP
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IOTXTFIL.SUB
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1988-12-27
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2KB
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99 lines
{$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-}