MK_MESSAGE
scb->hscb->control |= MK_MESSAGE;
ahd_inb_scbram(ahd, SCB_CONTROL) & ~MK_MESSAGE);
pending_scb->hscb->control &= ~MK_MESSAGE;
control &= ~MK_MESSAGE;
control |= pending_scb->hscb->control & MK_MESSAGE;
ahd_inb_scbram(ahd, SCB_CONTROL) & ~MK_MESSAGE);
scb->hscb->control &= ~MK_MESSAGE;
ahd_outb(ahd, SCB_CONTROL, MK_MESSAGE);
hscb->control |= MK_MESSAGE;
hscb->control |= MK_MESSAGE;
scb->hscb->control &= ~MK_MESSAGE;
scb->hscb->control |= MK_MESSAGE;
pending_hscb->control &= ~MK_MESSAGE;
control &= ~(ULTRAENB|MK_MESSAGE);
control |= pending_hscb->control & (ULTRAENB|MK_MESSAGE);
ahc_outb(ahc, SCB_CONTROL, ahc_inb(ahc, SCB_CONTROL) & ~MK_MESSAGE);
scb->hscb->control &= ~MK_MESSAGE;
hscb->control |= MK_MESSAGE;
hscb->control |= MK_MESSAGE;
scb->hscb->control |= MK_MESSAGE;