fix dup, rot, and an off-by-one after jumps
fix switch and cmp_blk decoding
add a little demo state machine that switches something

receives packets from fdac:814e:2456:7334:69ef:7d2f:cd3d:f75f, EID 20

in 0, if value == 11 -> write eid 2 to true, goto 1
in 1, if value == 12 -> write eid 2 to false, goto 0