From the Gforth Guide :
5.29 Time Tracking
[...]
utime – dtime gforth "utime"
Report current time in microseconds from some era.
Checking this, Gforth gives:
utime ok
.s <2> 1486782751117149 0 ok
=> I do not understand the word utime. The first number on the stack obviously contains a timestamp in microseconds. But why, please, the second, zero? Is this something special for the 64-bit version? Is my code still compatible if I just drop the second number and only work with the first?
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