GRP_ENM 1559 src/dps8/dps8_opcodetable.c GRP_EANM, GRP_UNKN, GRP_UNKN, GRP_UNKN, GRP_ENM, GRP_UNKN, GRP_UNKN, GRP_UNKN, // 020-027 GRP_ENM 1581 src/dps8/dps8_opcodetable.c GRP_ENM, GRP_EDC, GRP_UNKN, GRP_ENC, GRP_UNKN, GRP_EDC, GRP_UNKN, GRP_UNKN, // 300-307