Bit/Byte Functions
BIT_AS_BYTE (FB)
BIT_AS_DWORD (FB)
BIT_AS_WORD (FB)
BYTE_AS_BIT (FB)
DWORD_AS_BIT (FB)
EXTRACT (FUN)
PACK (FUN)
PUTBIT (FUN)
SWITCHBIT (FUN)
UNPACK (FB)
WORD_AS_BIT (FB)
