IBM 2250 Display Unit Model 4 - All about the IBM 1130 Computing ...

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A27-2723-0 International Business Machines Corporation Data Processing Division 112 East Post Road, White Plains, N.Y.10601 [USA Only] IBM World Trade Corporation 821 United Nations Plaza, New York, New York 10017 [International]
IBM Technical Newsletter File Number 1130-03 Re: Form No. A27-2723-0 This Newsletter No. N27-2915 Date September 8, 1967 Previous Newsletter Nos. None INCLUSION OF INDEX IBM 1130 COMPUTING SYSTEM COMPONENT DESCRIPTION IBM 2250 DISPLAY UNIT MODEL 4 Form A27-2723-0 Insert new pages 38 and 39 and update the Contents page by adding "INDEX 38" under "APPENDIX A. HEXADECIMAL-DECIMAL CONVERSION---33". Also insert revised page 17, on which the format of Table 1 has been revised; (note that the technical content of this page is unchanged). File this newsletter at the back of the publication. It will provide a reference to changes, a method of determining that all amendments have been received, and a check for determining whether the publication contains the proper changes. International Business Machines Corp., Product Publications Dept., Neighborhood Road, Kingston, N .Y . 12401 PRINTED IN U. S.A. N27-2915 (A27-2723-0) Page 1 of 1
Page 1 and 2: File No. 1130-03 4 Form A27-2723-0
Page 3 and 4: CONTENTS INTRODUCTION 5 2250-4 DISP
Page 5 and 6: INTRODUCTION The IBM 2250 Display U
Page 7 and 8: compact. Because the 2250 is locate
Page 9 and 10: modified during regeneration, as di
Page 11 and 12: image to be displayed. If the beam
Page 13 and 14: underflow (decremented to below Y =
Page 15 and 16: key can provide the upper- or lower
Page 17 and 18: Form A27-2723-0 Page Revised 9/8/67
Page 19 and 20: The first branch order transfers pr
Page 21 and 22: 1st Char./ 3.-d Char . 2nd/4th Hex
Page 23 and 24: character data. Word arrangement in
Page 25 and 26: Form A27-2723-0 Page revised 12/21/
Page 27 and 28: 2250-4 OPERATIONS WITH THE 1130 COM
Page 29 and 30: I Overlay Notch(es) Overlay code (b
Page 31 and 32: NOTE: The DSW is reset to 0001 16 b
Page 33 and 34: APPENDIX A: HEXADECIMAL-DECIMAL CON
Page 35 and 36: --- 0 1 2 3 4 5 6 7 8 9 A B C D E F
Page 37 and 38: 4---0 1 2 3 4 5 6 7 8 9 A B C DE F
Page 39: Form A27-2723-0 Page Added 9/8/67 B
Page 43 and 44: 2250-4 CHANNEL INTERFACE SECTION GE
Page 45 and 46: This subroutine example represents
Page 47 and 48: 4--0 EO _ 3584 E 1 _ 3600 E2 _ 3616
Page 49: A27-2723-0 YOUR COMMENTS PLEASE...

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