ARRAY_VID2
if (checkColours (&bootpref[ARRAY_VID2], optarg))
bootpref[ARRAY_VID2] &= ~VID2_PAL;
bootpref[ARRAY_VID2] |= VID2_PAL;
bootpref[ARRAY_VID2] &= ~VID2_VGA;
bootpref[ARRAY_VID2] |= VID2_VGA;
bootpref[ARRAY_VID2] &= ~VID2_80CLM;
bootpref[ARRAY_VID2] |= VID2_80CLM;
bootpref[ARRAY_VID2] |= VID2_OVERSCAN;
bootpref[ARRAY_VID2] &= ~VID2_OVERSCAN;
bootpref[ARRAY_VID2] |= VID2_COMPAT;
bootpref[ARRAY_VID2] &= ~VID2_COMPAT;
writeNVRAM (fd, NVRAM_VID2, bootpref[ARRAY_VID2]);
bootpref[ARRAY_VID2] = readNVRAM (fd, NVRAM_VID2);