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* NAME: LDR-APM DOC. 70180005000 REV. E PAGE 10

0424 * AAAAAAAABBBBBBBB 0425 * CCCCCCCCDDDDDDDD 0426 * EEEE........QQQQ 0427 * ZZZZZZZZZZZZZZZZ 0428 * 0429 * N = NUMBER OF 16-BIT WORDS IN THE BLOCK, INCLUDING CONTROL 0430 * WORDS AND CHECKSUM. 0431 * A = FIRST CHARACTER OF THE FIRST ENTRY POINT NAME OF THIS 0432 * SUBPROGRAM IN ASCII. 0433 * B = SECOND CHARACTER OF THE FIRST ENTRY POINT NAME OF THIS 0434 * SUBPROGRAM. 0435 * ... 0436 * Q = SIXTH CHARACTER OF THE LAST ENTRY POINT NAME OF THIS 0437 * SUBPROGRAM. 0438 * Z = 16-BIT ERA CHECKSUM OF ALL THE 16-BIT WORDS IN THIS BLOCK 0439 * EXCEPT THE CHECKSUM ITSELF. 0440 * 0441 * THE PROGRAM BREAK WILL BE SET SO THAT THE NEXT 0442 * SUBPROGRAM LOADS STARTING IN AN EVEN LOCATION. IF ANY OF THE 0443 * SUBPROGRAM NAMES OF THE BLOCK HAVE REEN CALLED BY PREVIOUSLY 0444 * LOADED PROGRAMS, THE FOLLOWING SUBPROGRAM WILL BE LOADED, OTHERWISE 0445 * IT WILL BE SKIPPED. 0446 * ENTRY POINT NAMES ARE SIX CHARACTERS, LEFT-JUSTIFIED, AND 0447 * FILLED WITH BLANKS (240). 0448 * 0449 * BLOCK TYPES 0-1, 0-2, AND 0-3.. SPECIAL ACTION BLOCKS. 0450 * 0451 * 00000000NN000000 0452 * ---------------- 0453 * ZZZZZZZZZZZZZZZZ 0454 * 0455 * N = 1.. TURN OFF NON-LOAD FLAG (FORCE LOADING OF NEXT 0456 * SUBPROGRAM). 0457 * = 2.. TURN ON CHAIN FLAG (USE WITH FORTRAN). 0458 * = 3.. END-OF-JOB (CAUSE BY $0 OR $3 IN FORTRAN). 0459 * --- = IGNORED, BUT INCLUDED IN CHECKSUM. 0460 * Z = CHECKSUM, 0461 * 0462 * BLOCK TYPE 0-4.. DATA BLOCK. 0463 * 0464 * 0000000100000000 (000400) 0465 * 00NNNNNN00000000 0466 * OLLLLLLLLLLLLLLL 0467 * AAAAAAAAAAAAAAAA 0468 * AAAAAAAABBBBBBBB 0469 * BBBBBBBBBBBBBBBB 0470 * CCCC........QQQQ 0471 * ZZZZZZZZZZZZZZZZ 0472 * 0473 * N = NUMBER OF WORDS IN THIS BLOCK.
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