DEFAULT_HDELAY_PAL
#define DEFAULT_HACTIVE_PAL (864-DEFAULT_HDELAY_PAL)
tbl_pal_tw2815_common[0x02] = DEFAULT_HDELAY_PAL & 0xff;
tbl_pal_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_PAL >> 8);