This simple little serial menu program works correctly in the simulator, but when the 18M2 runs it, the select case always defaults to "Not Valid"
main:
sertxd("1. test1",cr,lf)
sertxd("2. test2",cr,lf)
sertxd("3. test3",cr,lf)
sertxd(cr,lf,"Choose...",cr,lf)
get_in:
serrxd b1
select b1...