v3.5.1 experimental
== Release 3.5.1
* Fixed: Timer0 as PLC cycle in AVR's corrected.
* Fixed: If try to change settings for MCU-Parameters,
the 'ldmicro-de.exe' gets busy forever
and eats up windows memory.
* Added: CTR reversive counter added.
It like CTC but with decrement counting inside.
Added 'Init' value in CTU,CTD,CTC,CTR counters.
CTU,CTC counter start from 'Init' and count up to 'Max' value.
CTC generate overflow impulse when Counter==Max.
CTD,CTR counter start from 'Init' and count down to 'Min' value.
CTR generate overflow impulse when Counter==Min.
See LDmicro\SAMPLE\ctu_ctd_ctc.ld