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timer.'''getMilliSecCounter''' is a function that is part of the [[:Category:timer|timer]] functions.
timer.'''getMilliSecCounter''' is a function that is part of the [[:Category:timer|timer]] functions.
Returns the amount of milliseconds elapsed since last calculator reboot.
Returns the amount of milliseconds elapsed since last calculator reboot.<br />
In the Computer software emulator, it returns an absolute negative time.
In the Computer software emulator, it returns an absolute negative time.
<br />
The counter rolls over to zero when it passes 2<sup>32</sup> milliseconds.
The counter rolls over to zero when it passes 2<sup>32</sup> milliseconds.
<br /><br />
{{Since|3.0}}
{{Since|3.0}}
== Example ==
== Example ==
<syntaxhighlight>theTime = timer.getMilliSecCounter()</syntaxhighlight>
<syntaxhighlight>theTime = timer.getMilliSecCounter()</syntaxhighlight>
== Good to know ==
In order to define a relative time origin, whether it's on calc or in the emulator, this can be an example :
<source>function now()
local now = timer.getMilliSecCounter()
if now < 0 then
now = now + 2^31
end
return now
end</source>
If you want to do something after ''60'' seconds, for example, here is what you have to do :
<source>timeleft = 60-math.floor((math.abs(timer.getMilliSecCounter()) - math.abs(startTime))*0.001)
-- startTime would be a variable defined earlier as '0', for instance.
if math.abs(math.floor(timeleft)) == 0 then
-- your code here --
end</source>
== See also ==
== See also ==
