seek_64           147 src/dps8/dps8_disk.c   { "d500",  618640,  1, false, seek_64,   64, 200 },
seek_64           148 src/dps8/dps8_disk.c   { "d451",  616360,  1, true,  seek_64,   64, 154 },
seek_64           149 src/dps8/dps8_disk.c   { "d400",  309320,  1, true,  seek_64,   64,  84 }, // d400 is a d190 with "high-efficiency format (40 sectors/track)"
seek_64           150 src/dps8/dps8_disk.c   { "d190",  239723,  1, true,  seek_64,   64,  84 }, // 190A 84, 190B 137
seek_64           151 src/dps8/dps8_disk.c   { "d181",   72000,  1, true,  seek_64,   64,   0 }, // no idea what the dau idx is
seek_64           152 src/dps8/dps8_disk.c   { "d501", 1075200,  1, false, seek_64,   64, 201 },
seek_64           703 src/dps8/dps8_disk.c     if (diskTypes[typeIdx].seekSize != seek_64)