PAUSE
SET_CHECK(PAUSE, pref.pause_before_boot);
pref.pause_before_boot = IS_CHECKED(PAUSE);
bus_space_write_1(iot, ioh, HCNTRL, hcntrl | PAUSE);
ahd->pause = PAUSE;
return ((ahd_inb(ahd, HCNTRL) & PAUSE) != 0);
ahc->pause = ahc->unpause | PAUSE;
return ((ahc_inb(ahc, HCNTRL) & PAUSE) != 0);
ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
ahd_outb(ahd, HCNTRL, hcntrl|PAUSE);
cmd.opcode = PAUSE;