X16-08T1

* E510-091-H902 (X16-08T1) DRAWING NO. 41285222-001-01 PAGE 13

0511 01452 0 04 01457 STA P159 TRY TO STORE. 0512 01453 101000 NOP INTERRUPT SHOULD OCCUR AFTER THIS INST. 0513 01454 0 10 01635 JST EROR GO TO ERROR IF NO INTERRUPT. 0514 01455 0 01 01440 JMP S16 TRY AGAIN IF NO INTERRUPT. 0515 01456 0 001454 P158 DAC *-2 ADDRESS WHICH SHOULD BE STORED BY INT. JST. 0516 01457 000000 P159 BSZ 1 TEST LOCATION. 0517 01460 0 001461 L16 DAC *+1 LINK ADDRESS. 0518 01461 0 000000 DAC ** LOCKOUT VIOLATION INTERRUPT ENTRY. 0519 01462 0 02 01457 LDA P159 MAKE SURE THAT TEST LOCATION 0520 01463 100040 SZE WAS NOT DISTURBED. 0521 01464 0 10 01635 JST EROR GO TO ERROR IF IT WAS. 0522 01465 0 02 01461 LDA L16+1 CHECK THE ADDRESS 0523 01466 0 05 01456 ERA P158 STORED BY 0524 01467 100040 SZE THE FORCED JST. 0525 01470 0 10 01635 JST EROR 0526 * 0527 * TEST STA-TO-SECTOR-0 INTERRUPT 0528 * 0529 01471 0 10 01734 S17 JST JSTL 0530 01472 0 10 01473 JST *+1 0531 01473 0 00 00002 J18 PZE 2 0532 01474 0 02 01506 LDA L17 SET 0533 01475 0 04 00062 STA '62 LINK. 0534 01476 0 02 01745 LDA ='40000 RE-SET SECTOR 1 TO UN-PROTECTED MODE 0535 01477 74 1420 SMK '1420 (SECTOR 0 IS NOW PROTECTED). 0536 01500 001401 ERM ENTER RESTRICTED MODE. 0537 01501 0 04 00776 STA TL0 CAUSE INTERRUPT (TRY TO STORE IN SECTOR O). 0538 01502 101000 NOP INTERRUPT SHOULD OCCUR AFTER THIS INST. 0539 01503 0 10 01635 JST EROR GO TO ERROR IF NO INTERRUPT. 0540 01504 0 01 01471 JMP S17 TRY AGAIN IF NO INTERRUPT. 0541 01505 0 001503 P169 DAC *-2 ADDRESS WHICH SHOULD BE STORED BY INT. JST. 0542 01506 0 001507 L17 DAC *+1 LINK ADDRESS. 0543 01507 0 000000 DAC ** LOCKOUT VIOLATION INTERRUPT ENTRY. 0544 01510 0 02 00776 LDA TL0 CHECK TEST LOCATION 0545 01511 0 05 01762 ERA ='100000 TO MAKE SURE THAT 0546 01512 100040 SZE IT WAS NOT DISTURBED. 0547 01513 0 10 01635 JST EROR GO TO ERROR IF IT WAS. 0548 01514 0 02 01507 LDA L17+1 CHECK THE ADDRESS 0549 01515 0 05 01505 ERA P169 WHICH SHOULD HAVE REEN 0550 01516 100040 SZE STORED BY THF FORCED JST. 0551 01517 0 10 01635 JST EROR GO TO ERROR IF WRONG. 0552 * 0553 * TEST LDX INTERRUPT (NOT ON DDP-416) 0554 * 0555 01520 0 10 01734 S18 JST JSTL 0556 01521 0 10 01522 JST *+1 0557 01522 0 00 00002 J19 PZE 2 0558 01523 101000 4RR5 NOP (JMP S19 IF DDP-416) 0559 01524 0 02 01533 LDA L18 SET 0560 01525 0 04 00062 STA '62 LINK.