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* NAME: LDR-APM DOC. 70180005000 REV. E PAGE 11
0474 * L = 15-BIT LOCATION INTO WHICH THE FIRST DATA WORD OF 0475 * THIS BLOCK IS TO BE LOADED. SUCCESSIVE WORDS ARE 0476 * PLACED IN L+1, L+2, ETC. 0477 * THIS LOCATION IS TAKEN AS ABSOLUTE OR RELOCATABLE 0478 * ACCORDING TO THE CURRENT LOAD MODE (SEE BLOCK TYPES 0479 * O-24 AND 0-30). 0480 * A = FIRST DATA WORD IN 24-BIT FORMAT. 0481 * B = SECOND DATA WORD. 0482 * ... 0483 * Z = CHECKSUM. 0484 * 0485 * EACH 24-81T DATA WORD IS IN ONE OF THE FOLLOWING FORMATS.. 0486 * 0487 * GGGGGGGGGGGGGGGG-----000 DATA OR GENERIC. 0488 * FTIIII-MKKKKKKKKKKKKK010 FORWARD 9-BIT. 0489 * FT-RRVVVVVVVVVVVVVVVV100 KNOWN DAC. 0490 * FT-----MKKKKKKKKKKKKK110 FORWARD DAC. 0491 * FTIIIIVVVVVVVVVVVVVVVRR1 KNOWN 9-BIT. 0492 * 0493 * F = INDIRECT FLAG. 0494 * T = TAG. 0495 * I = INSTRUCTION. 0496 * V = 15- OR 16-BIT ADDRESS. 0497 * R = RELOCATION BITS. 00 = ABSOLUTE, 0498 * 01 = POSITIVELY RELOCATABLE. 0499 * 11 = NEGATIVELY RELOCATABLE. 0500 * G = 16-BIT UNMODIFIED DATA, GENERIC, OR SHIFT. 0501 * K = SYMBOL NUMBER. 0502 * M = 0.. THIS IS THE LAST SYMBOL NUMBER ASSOCIATED 0503 * WITH THE ADDRESS. 0504 * = 1.. THE FOLLOWING SYMBOL NUMBER IS ALSO 0505 * ASSOCIATED WITH THIS ADDRESS. THE FOLLOWING 0506 * SYMBOL NUMBER MAY APPEAR IN THE NEXT DATA BLOCK 0507 * IF THE CURRENT WORD IS THE LAST WORD OF THE 0508 * CURRENT DATA BLOCK. THE FOLLOWING DATA WORD 0509 * WILL BE IN THE FORMAT.. 0510 * 0511 * -------MKKKKKKKKKKKKK--- 0512 * 0513 * KNOWN DAC.. ADDRESS KNOWN. DO NOT DESECTOR. 0514 * KNOWN 9-BIT.. ADDRESS KNOWN. DESECTOR. 0515 * FORWARD DAC.. SYMBOLIC ADDRESS, NOT TO BE DESECTORED 0516 * WHEN ADDRESS BECOMES KNOWN. UNIQUE SYMBOL 0517 * NUMBERS WILL BE ASSIGNED TO INSTANCES OF 0518 * THIS TYPE SO THAT THE REFERENCES TO THIS 0519 * SYMBOL NEED NOT BE STRUNG BY THE LOADER. 0520 * FORWARD 9-BIT.. SYMBOLIC ADDRESS, TO RE DESECTORED WHEN 0521 * ADDRESS BECOMES KNOWN. 0522 * 0523 * NOTE ON DAC.. IN DAP-16, THE DAC PSEUDO-OPERATION
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