BIT74             136 src/dps8/dps8_hw_consts.h #  define BIT74           (construct_128 (01000U, 0U)) // carry out bit from 73 bit arithmetic
BIT74             153 src/dps8/dps8_hw_consts.h #  define BIT74           ((word72)1U << 73)       // carry out bit from 73 bit arithmetic