Help: ICE_FLAGS_RXTCBSWAP

Swaps bits 0 and 3 in 16 bit SDDS packets to move TimeCodeBit=3 into selectable bit=0.

Swaps bits 0 and 3 in 16 bit SDDS packets to move TimeCodeBit=3 into selectable bit=0.
NOTE: This is only needed on PIC4/MBT4 cards as PIC5s allow TC=SDN3