I am in the process of wiring up a new controller for RPi4 using 7c81 and 7i76. 
In the process of doing so, I discovered that I had wired my controller for my 
PCBMill with a 7i76E Step+ to KM5056E Pulse-, Step- to KM5056E Pulse+, Dir+ to 
KM5056E Dir-, and Dir- to KM5056 Dir+.
It seems to run fine but, if I correct the connections Step+ to Pulse+, Step- 
to Pulse-, Dir+ to Dir+ and Dir- to Dir- what will happen. I don’t really want 
to break something that works.

Thanks in Advance,
Alan

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