for (my $t=$START+1;
$t<$START+$STEP*$RUNS;
$t+=$STEP+int((rand()-0.5)*7)){
- $counter += 2500*sin($t/2000)*$STEP;
+ $counter += int(2500*sin($t/2000)*$STEP);
my $data = (1000+500*sin($t/1000)).":".
(1000+900*sin($t/2330)).":".
(2000*cos($t/1550)).":".