wdr_error
chp->ch_error = CHP_READ_REG(chp, wdr_error);
er0 = CHP_READ_REG(chp, wdr_error);
er1 = CHP_READ_REG(chp, wdr_error);
CHP_READ_REG(chp, wdr_error)),
chp->ch_error = CHP_READ_REG(chp, wdr_error);
wdc_c->r_error = CHP_READ_REG(chp, wdr_error);
sl->regs[chan].cmd_iohs[wdr_error & _WDC_REGMASK];
ps->regs[channel].cmd_iohs[wdr_error & _WDC_REGMASK];