DCDIE
cl(scc, R15, DCDIE);
or(scc, R15, DCDIE);
wr(scc,R15, BRKIE|TxUIE|(scc->kiss.softdcd? SYNCIE:DCDIE));
cl(scc, R15, DCDIE|SYNCIE); /* No DCD changes, please */
or(scc,R15, scc->kiss.softdcd? SYNCIE:DCDIE);
cl(scc, R15, DCDIE|SYNCIE);
or(scc, R15, scc->kiss.softdcd? SYNCIE:DCDIE);
new_reg = up->curregs[R15] | (DCDIE | SYNCIE | CTSIE);
uap->curregs[R15] |= DCDIE | SYNCIE | CTSIE;
uap->curregs[R15] &= ~(DCDIE | SYNCIE | CTSIE);
new_reg = uap->curregs[R15] | (DCDIE | SYNCIE | CTSIE);
new_reg = up->curregs[R15] | (DCDIE | SYNCIE | CTSIE);
((mask_b & DCDIE) ? TIOCM_CAR : 0) |
((mask_a & DCDIE) ? TIOCM_RNG : 0) |
zport_a->regs[15] &= ~(DCDIE | SYNCIE);
zport->regs[15] &= ~(DCDIE | CTSIE);
if (!(zport->regs[15] & (DCDIE | SYNCIE)))
zport_a->regs[15] |= DCDIE | SYNCIE;
zport->regs[15] |= DCDIE | CTSIE;
zport->regs[15] |= DCDIE;
zport->regs[15] &= ~DCDIE;