WDC_READ_REG
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);
(void) WDC_READ_REG(chp, wd_error);
cl = WDC_READ_REG(chp, wd_cyl_lo);
ch = WDC_READ_REG(chp, wd_cyl_hi);
if ((WDC_READ_REG(chp, wd_status) & (WDCS_BSY | WDCS_DRDY))
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);
(void) WDC_READ_REG(chp, wd_error);
if ((WDC_READ_REG(chp, wd_status) & (WDCS_BSY | WDCS_DRDY))
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);
(void) WDC_READ_REG(chp, wd_error);
if ((WDC_READ_REG(chp, wd_status) & (WDCS_BSY | WDCS_DRDY))
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
WDC_READ_REG(chp, wd_error));
st0 = WDC_READ_REG(chp, wd_status);
st1 = WDC_READ_REG(chp, wd_status);