Lines Matching defs:TACK
103 #define TACK 0x08 /* Transfer acknowledge (input) */
106 #define TACK 0x02
575 /* Negate TREQ. Set TACK to input and TREQ to output. */
577 out_8(&via2[DIRB], (in_8(&via2[DIRB]) | TREQ) & ~TACK);
1187 while ((in_8(&via2[B]) & TACK) == 0) {
1477 while ((in_8(&via2[B]) & TACK) != 0)
1484 /* reset TREQ and wait for TACK to go high */
2499 while ((via2[B] & TACK) != 0)
2502 while ((via2[B] & TACK) == 0)
2542 while ((via2[B] & TACK) == 0)