ISSUE_SC
ptr=remove_SC(&ISSUE_SC, SCpnt);
issued = remove_SC(&ISSUE_SC, SCpnt) == NULL;
remove_SC(&ISSUE_SC, SCpnt);
append_SC(&ISSUE_SC, SCpnt);
free_hard_reset_SCs(shpnt, &ISSUE_SC);
if(ISSUE_SC)
CURRENT_SC = remove_first_SC(&ISSUE_SC);
append_SC(&ISSUE_SC, CURRENT_SC);
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
if (ISSUE_SC) {
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
SETPORT(SIMODE1, ENSCSIRST | ( (ISSUE_SC||DONE_SC) ? ENBUSFREE : 0));
append_SC(&ISSUE_SC, SCpnt);