2M 0343_Whirlwind_I__Storage_Modification_Mar59 0343 Whirlwind I Storage Modification Mar59
2M-0343_Whirlwind_I__Storage_Modification_Mar59 2M-0343_Whirlwind_I__Storage_Modification_Mar59
User Manual: 2M-0343_Whirlwind_I__Storage_Modification_Mar59
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UNCLASSIFIED MASSACHUSETTS INSTITUTE OF TECHNOLOGY LINCOLN LASORA TORY Memorandum No._....::2M=.'-&-....::O~3..,1.4..:....L3_ _ To: Whirlwind I Users Non-Lincoln Recipients From: Subject: Arthur A. Mathiasen PLEASE DO NOT RETURN Whirlwind I Test Storage Modification Permission has been granted by the Contracting Officer to destroy this document, when it is no longer required by the using agency, according to applicable security regulations. ABSTRACT A modification· is being made to the Whirlwind I Test Storage. The changes should affect very few programmers in any detrimental fashion. \. This memorandum contains the revised contents. Si9ned_~aL-.::......:tWri~f~(~JJ~-+-J __ AAM: b i c ' Author 6 March 1959 Rec'd 6 March 1959 Date The research reported in this document was supported jointly by the Deportment of the ArmYI the Department of the Navy, and the Department of the Air Force under Air Force Contract No. AF19(604).5200 UNCLASSIFIED- Page 1 The following will be the contents of Test Storage as of 9 March 1959. The change s made should not affect any programs. If they do, this should be noted so that Test Storage may be set up correctly for operation of the program. This change has been made to facilitate new operations of the Utility System. Register (decimal) Register (octal) Contents (octal) WI Instruction o o 0.00000 s1 0 1 1 0.00001 s1 1 2 2 FF-2 3 4 3 FF-3 4 1.00065 FF-5 6 5 6 7 7 8 5 Alternate FF-4 0.14174 0.50002 (FF-6) ta 2 10 0.34320 cf 320· 9 10 11 12 0.77177 11 12 13 13 14 15 1.00005 0.74002 1.00006 0.20040 sp 3777 ca 5 16 0.74004 0.00102 17 17 20 21 1.00006 0.10040 ca 6 bo 40 sp 4 s1 102 ca 6 bi 40 18 22 0.14004 sp 4 19 20 21 23 24 0.14062 0.40024 (FF-4) 0.33741 1.00023 1.14024 15 16 22 23 24 14 25 26 27 0.74036 ca 23 su 24 Re-entry for block-out Block-in from MTO Re-entry from block-in Block-in of DG 7 ap 36 ta 3 26 32 27 33 28 34 35 0.20032 1.14025 ca 32 s1707 bo 32 au 25 36 37 0.00103 0010036 a1703 b1 36 31 Block out/in Standard FF-4 25 29 30 Alternate FF-6 Standard FF-6 sp 2 30 31 0.50003 1.00032 0.00707 Purpose Read-in Block-in of DG 9 Page 2 The nomal order of Flip Flops will be unchanged; i.e., FF-2 in 2, FF-3 in 3, FF-4 in 20 (24 octal), FF-5 in 5, FF-6 in 7. For purposes of running the Checker, the Flip Flops should be in nUlllerical order: FF-2 in 2, FF-3 in 3, FF-4 in 4, FF-5 in 5, FF-6 in 6. For your information, a new service is available. In particular, to block out fran. 40 (octal) to the drums, the Flip Flops should be in numerica.l order, Program Counter at 12 (octal), and Flip Flops set up a.s follows: FF-21 FF-31 FF.41 FF- 5 1 FF-6 1 s1 sp (1) 1 (1) 7 14 (Drum si) I sp x Drum Address si 0 NUmber of registers I.e., FF-2 has the proper drum si. To block in to 40 (octal), Flip Flops 2 and 3 should be: FF-2 , FF-31 s1 (1) 1 sp 20 (1) 3 Page 3 2M-0343 Distribution Lincoln R. c. M. I. T. Butman A. Curtiss (5) Ro Enticknap C. Forgie F~ C. Frick F. Eo Heart (2) D. C. Maclellan A. A. Mathiasen (5 ) Vo A. Nedzel H. Peterson G. H. Pettengill H. Sherman Eo B. Howell MITRE Corp. D. Israel Data Processing 8 Pelham Road Natick, Massachusetts R.. K. :Bennett M. Ayvazian W. Blackstock E. Witmer S. Namyet J. Cunningham E. Campbell G. Hughes w. Youngblood D. Ross (2) L. C. Allen J. Wood. R. Watson D. Arden C. J. Maletskos L. J. Gitten E. A. Kelley B. Shorr
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