DATA 620/i SYSTEM REFERENCE MANUAL . - Al Kossow's Bitsavers

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P013180SA BRING INSTRUCTION (W-+U) BRING OPERAND (W-+R) ADDRESS NEXT INSTRUCTION (P+ l-+L,P) ADD OPERAND TO A SUB = A ... R+ 1 +A A. R+A YES SET OVERFLOW (OF -+1) BRING NEXT INSTRUCTION (W~U) Fig. 3-5 Add Instruction I Genera I Flow 3-9
I ncrement Memory and Replace Timing: 3 cycles 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 r-T-! L _..L _ 04 M A .A..._____--'--_____________-----' lIS-bit I option The contents of the effective memory location are incremented by one, mod 2 16 (2 18). After execution, if (M) ~ is set. Indexing: Yes Indirect Addressing: Yes Registers <strong>Al</strong>tered: Memory, OF 2 15 (2 17 ), the overflow indicator (OF) ADD Add Memory to A Timing: 2 cycles 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 L_..L ~-T-! _ 12 M A .I.._____----I..___---L________---' IIS-bitl option The contents of the effective memory location are added to the contents of the A register and the sum is placed in the A register. After execution, if (A)~ 2 15 (217) or~215 (_2 17 ), the overflow indicator (OF) is set. Indexing: Yes Indirect Addressing: Yes Regi sters AI tered: A, OF Subtract Memory from A Timing: 2 cycles 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 r-T-! 14 M A L_.J.. _ ...... _____ --'-___ ---& ________ ---' I IS-bit I option 3-10
Page 1 and 2: DATA 620/i SYSTEM REFERENCE MANUAL
Page 3 and 4: VDM-3000 Revision A March 1968
Page 5 and 6: Page SECTION 5 CONTROL CONSOLE OPER
Page 7 and 8: The unique design of the DA TA 620/
Page 9 and 10: Table 1-1. (Continued) Specifi cati
Page 11 and 12: Table 1-1. (Continued) Specifi cati
Page 13 and 14: Detailed design and maintenance inf
Page 15 and 16: SET R., SET U'" J POI 26801A R REGI
Page 17 and 18: A register. This full-length regist
Page 19 and 20: made available on an external cable
Page 21 and 22: 17 16 15 14 13 12 11 10 9 8 7 6 5 4
Page 23 and 24: n 17 16 15 14 13 12 11 10 9 8 7 6 5
Page 25 and 26: 620/i -01 Memory /Periphera I Contr
Page 27 and 28: un ique memory destination address
Page 29 and 30: Table G-1 (d), appendix G, summariz
Page 31 and 32: P0131802A BRING INSTRUCTION (W-+U)
Page 33 and 34: Relative: Yes Indexing: Yes Indirec
Page 35: POl31804A BRING OPERAND ('N~U) BRIN
Page 39 and 40: The contents of the A and B registe
Page 41 and 42: ANA AND Memory and A Timing: 2 cycl
Page 43 and 44: The overflow indicator (OF) is set.
Page 45 and 46: Indexing: No Indirect Addressing: N
Page 47 and 48: LLRL Long Logical Rotate Left Timin
Page 49 and 50: I ASLB I Arithmetic Shift B Left Ti
Page 51 and 52: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 0
Page 53 and 54: The contents of the A (B, X) regist
Page 55 and 56: Indexing: No Indirect Addressing: N
Page 57 and 58: A¢FB Add Overflow to B Register Ti
Page 59 and 60: P0131807A r------, 1 BRING I : INST
Page 61 and 62: POJ3J808A BRING INSTRUCTION (W-+U)
Page 63 and 64: ~ Jump if A Register Zero Timing: 2
Page 65 and 66: ~ Jump if Sense Switch 3 Set Timing
Page 67 and 68: Indexing: No Indirect Addressing: Y
Page 69 and 70: JBZM Jump and Mark if B Register Ze
Page 71 and 72: Execute instru'ction group. For the
Page 73 and 74: X¢F Execute if Overflow Set Timing
Page 75 and 76: §] Execute it' B Regi ster Timing:
Page 77 and 78: Extended-addressing instruction gro
Page 79 and 80: STAE Store A Reg i ster Extended Ti
Page 81 and 82: ADDE Add Memory to A Timing: 3 cycl
Page 83 and 84: If (A,B) ~1 --;::x- (divisor> divid
Page 85 and 86: ANAE AND Memory and A Timing: 3 cyc
Page 87 and 88:
LDXI Load X Reg i ste r Immediate T
Page 89 and 90:
I ADDI I Add Immediate Timing: 2 cy
Page 91 and 92:
(divisor> dividend, taken as a bina
Page 93 and 94:
ANAl AND Immediate Timing: 2 cycles
Page 95 and 96:
P0131811A A~ I L-BUS 1 r-J---, r-J-
Page 97 and 98:
Table 4-1. I/O-Cable Control Line S
Page 99 and 100:
P0131812A BRING INSTRUCTION (W-'U)
Page 101 and 102:
~ Clear and Input to B Register Tim
Page 103 and 104:
~ I o P0131813A BRING INSTRUCTION r
Page 105 and 106:
. A trap timing sequence is initiat
Page 107 and 108:
4.4.2 Program Interrupt (optional)
Page 109 and 110:
P0131815A DATA-.:aO/i Fig. 5-1 Cont
Page 111 and 112:
Table 5-1. (Continued) Control or I
Page 113 and 114:
APPENDICES
Page 115 and 116:
DATA 620/i Number System Binary num
Page 117 and 118:
The negative result is in error. Th
Page 119 and 120:
~ Standard DATA 620/i Subroutines I
Page 121 and 122:
Appendix C Table of Powers of Two
Page 123 and 124:
Appendix D Octal-Decimal Integer Co
Page 125 and 126:
Octal-Decimal Integer Conversion Ta
Page 127 and 128:
Octal-Decimal Integer Conversion Ta
Page 129 and 130:
Octal-Decimal Fraction Conversion T
Page 131 and 132:
Octal-DecImal Fraction Conversion T
Page 133 and 134:
Appendix F DATA 620/i Instructions
Page 135 and 136:
WDS/ Time Indirect I Mnemonic Octal
Page 137 and 138:
Mnemonic Octal Description WDS/ Tim
Page 139 and 140:
Appendix G DATA 620/i Instructions
Page 141 and 142:
Table G-1 (c) Logical Instruction G
Page 143 and 144:
Table G-3(b) Instruction Format Us
Page 145 and 146:
Table G-5 Jump Instruction Group Ta
Page 147 and 148:
Table G-7 Execute Instruction Group
Page 149 and 150:
Table G-11 Input/Output Instruction
Page 151 and 152:
Appendix H DA TA 620/i Reserved Ins
Page 153 and 154:
Table H-2 BIC Reserved Instruction
Page 155 and 156:
Table H-3(b) Model B Teletype Instr
Page 157 and 158:
Table H-5 Gated-Input-Channel Reser
Page 159 and 160:
Table H-7 Gated-Output-Channel Rese
Page 161 and 162:
Table H-10 Magnetic Tape Unit Reser
Page 163 and 164:
Appendix I DATA 620/i Standard BCD
Page 165 and 166:
DATA 620/i Standard BCD Codes (cont
Page 167:
Teletype Character Codes (continued
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DATA 620/i SYSTEM REFERENCE MANUAL . - Al Kossow's Bitsavers

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