[ photo 100_1618.JPG P131; (leaves 3 times M6 in N1) M6; DUP; SHL+1; +; EXIT1; P132; (check length of given mag tape identifier) SHL-42; SETB35; NEV; J4P45#Z; EXIT2; P133; (housekeeping for OUT involving peripheral transfer. Checks given parameters, copies to V45P104M5 and, with BA added, to Q7) DUP; =V45P104M5; =Q7; I7; DUP; M7; CAB; SIGN; OR; V9P0M5; SHL+24; SHL-38; M7; SHL-5; SIGN; OR; J4P45