bscr
bscr(amiga_contiguous_copy_region_2, u_int16_t);
bscr(amiga_interleaved_copy_region_2, u_int16_t);
bscr(amiga_interleaved_wordaccess_copy_region_2, u_int16_t);
bscr(oabs(bscr2_), u_int16_t);
bscr(oabs(bscr4_), u_int32_t);
bscr(oabs(bscr1_), u_int8_t);
static bscr(pcmio_bscr1, u_int8_t);
bscr(*bscr1, u_int8_t);
bscr(*bscr2, u_int16_t);
bscr(*bscr4, u_int32_t);
static bscr(empb_bscr4, u_int32_t);
static bscr(empb_bscr1, u_int8_t);
static bscr(empb_bscr2, u_int16_t);
bscr(*bscr1, uint8_t);
bscr(*bscr2, uint16_t);
bscr(*bscr4, uint32_t);
uint32_t bscr[16]; /* Bit steering registers */