GRP_FLS          1535 src/dps8/dps8_opcodetable.c        GRP_UNKN,  GRP_FXN,   GRP_PCAM,  GRP_FXN,   GRP_UNKN,  GRP_FLS,   GRP_UNKN,  GRP_FLS,   // 530-537
GRP_FLS          1539 src/dps8/dps8_opcodetable.c        GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_FLNOR, GRP_UNKN,  GRP_FLS,   GRP_UNKN,  GRP_FLS,   // 570-577