STORE_OPERAND     306 src/dps8/dps8.h     STORE_OPERAND   = (1U <<  1),  // stores/writes operand to memory (its a STR-OP)
STORE_OPERAND     307 src/dps8/dps8.h # define RMW             (READ_OPERAND | STORE_OPERAND) // a Read-Modify-Write instruction