in16rb
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
#define dbdma_ld16(a) in16rb(a)
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
return in16rb(sc->sc_regs + off);