ptwp               91 src/dps8/segldr.c         word36 * ptwp = (word36 *) M + x1 + ADDR_DSPT;
ptwp               92 src/dps8/segldr.c         putbits36_18 (ptwp,  0, ADDR_DSP >> 6);  // points to the Descriptor Segment Page
ptwp               93 src/dps8/segldr.c         putbits36_1  (ptwp, 26,        0);  // unused
ptwp               94 src/dps8/segldr.c         putbits36_1  (ptwp, 29,        0);  // unmodified
ptwp               95 src/dps8/segldr.c         putbits36_1  (ptwp, 29,        0);  // unmodified
ptwp               96 src/dps8/segldr.c         putbits36_1  (ptwp, 33,        1);  // page is in memory
ptwp               97 src/dps8/segldr.c         putbits36_2  (ptwp, 34,        0);  // fault code