GRP_EDM          1570 src/dps8/dps8_opcodetable.c        GRP_UNKN,  GRP_UNKN,  GRP_EDA,   GRP_EDS,   GRP_UNKN,  GRP_UNKN,  GRP_EDM,   GRP_EDD,   // 200-207
GRP_EDM          1572 src/dps8/dps8_opcodetable.c        GRP_UNKN,  GRP_UNKN,  GRP_EDA,   GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_EDM,   GRP_EDD,   // 220-227