ENBUSFREE
SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE);
SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE );
(s1 & ENBUSFREE) ? "ENBUSFREE " : "",
if (s & ENBUSFREE)
SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
SETPORT(SIMODE1, ENSCSIRST | ( (ISSUE_SC||DONE_SC) ? ENBUSFREE : 0));
ahd_inb(ahd, SIMODE1) & ~ENBUSFREE);
ahd_outb(ahd, SIMODE1, simode1 & ENBUSFREE);
ahd_inb(ahd, SIMODE1) & ~(ENBUSFREE|ENSCSIRST));
ahc_outb(ahc, SIMODE1, ahc_inb(ahc, SIMODE1) & ~ENBUSFREE);
&& (ahc_inb(ahc, SIMODE1) & ENBUSFREE) != 0) {
ahc_outb(ahc, SIMODE1, ahc_inb(ahc, SIMODE1) & ~ENBUSFREE);
ahc_outb(ahc, SIMODE1, simode1 & ENBUSFREE);
simode1 = ahc_inb(ahc, SIMODE1) & ~(ENBUSFREE|ENSCSIRST);
simode1 = ahc_inb(ahc, SIMODE1) & ~(ENBUSFREE|ENSCSIRST);