zs_read_csr       115 dev/ic/z8530sc.c 		rr0 = zs_read_csr(cs);
zs_read_csr       389 dev/ic/z8530tty.c 		cs->cs_rr0 = zs_read_csr(cs);
zs_read_csr       954 dev/ic/z8530tty.c 	rr0 = zs_read_csr(cs);
zs_read_csr      1042 dev/ic/z8530tty.c 	rr0 = zs_read_csr(cs);