GRP_FXI          1506 src/dps8/dps8_opcodetable.c        GRP_UNKN,  GRP_FXC,   GRP_PM,    GRP_PRM,   GRP_FXI,   GRP_BCN,   GRP_BCN,   GRP_BCN,   // 210-217
GRP_FXI          1508 src/dps8/dps8_opcodetable.c        GRP_MISC,  GRP_PCS,   GRP_PRL,   GRP_PCS,   GRP_FXI,   GRP_FXDML, GRP_FXDML, GRP_FXDML, // 230-237