CH_SR
sr = (SC)->sc_chbase[CH_SR]; \
sr = sc->sc_chbase[CH_SR];
sr = sc->sc_chbase[CH_SR];
while (sc->sc_chbase[CH_SR] & SR_TX_RDY) {
while ((ch_base[CH_SR] & SR_RX_RDY) == 0)
while ((ch_base[CH_SR] & SR_TX_RDY) == 0)
while ((ch_base[CH_SR] & SR_TX_RDY) == 0)
while ((vxtregs[CH_SR] & SR_TX_RDY) == 0)
while ((vxtregs[CH_SR] & SR_RX_RDY) == 0)
if ((vxtregs[CH_SR] & SR_RX_RDY) == 0)
sc->sc_qr.qr_ch_regs[0].qr_sr = CH_SR(0);
sc->sc_qr.qr_ch_regs[1].qr_sr = CH_SR(1);