GRP_FLD          1531 src/dps8/dps8_opcodetable.c        GRP_MISC,  GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_FLD,   GRP_UNKN,  GRP_FLD,   // 520-527
GRP_FLD          1535 src/dps8/dps8_opcodetable.c        GRP_MISC,  GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_UNKN,  GRP_FLD,   GRP_UNKN,  GRP_FLD,   // 560-567