cd1400_read_reg
msvr = cd1400_read_reg(cd, CD1400_MSVR1);
msvr = cd1400_read_reg(cd, CD1400_MSVR2);
*(int *)data = cd1400_read_reg(mp->mp_cd1400, CD1400_PSVR);
while( cd1400_read_reg(cd, CD1400_CCR) )
srer = cd1400_read_reg(cd, CD1400_SRER);
cd->cd_chiprev = cd1400_read_reg(cd, CD1400_GFRCR);
while( cd1400_read_reg(cd, CD1400_GFRCR) != cd->cd_chiprev )
status |= cd1400_read_reg(&sc->ms_cd1400[chip], CD1400_SVRR);
n_chars = cd1400_read_reg(cd, CD1400_RDCR);
*mbpp->mp_ptr = cd1400_read_reg(cd,CD1400_RDSR);
line_stat = cd1400_read_reg(cd, CD1400_RDSR);
n_chars = cd1400_read_reg(cd, CD1400_RDCR);
*ptr++ = cd1400_read_reg(cd, CD1400_RDSR);
msvr = cd1400_read_reg(cd, CD1400_MSVR2);
srer = cd1400_read_reg(cd, CD1400_SRER);
__inline u_char cd1400_read_reg(struct cd1400 *, int);