1. xerox 560 computer system - The UK Mirror Service

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TABLE OF POWERS OF SIXTEEN II162564 Cfi665 5361 048 57616 777 216268 435 4564 294 967 29668 719 476 7361 Cfi9 511 627 77617 592 186 044 416281 474 976 710 6564 503 599 627 370 49672 057 594 037 927 9361 152 921 504 606 846 976no234567891011121314150.10000 00000 00000 00000 x 100.62500 00000 00000 00000 x 10- 10.39062 50000 00000 00000 x 10- 20.24414 06250 00000 00000 x 10- 30.15258 78906 25000 00000 x 10- 40.95367 43164 06250 00000 x 10- 60.59604 64477 53906 25000 x 10- 70.37252 90298 46191 40625 x 10- 80.23283 06436 53869 62891 x 10- 90.14551 91522' 83668 51807 x 10-100.90949 47017 72928 23792 x 10- 120.56843 41886 08080 14870 x 10- 130.35527 13678 80050 09294 x 10- 140.22204 46049 25031 30808 x 10- 150.13877 78780 78144 56755 x 10- 160.86736 17379 88403 54721 x 10- 18TABLE OF POWERS OF TEN 1&o lnOOO 0000 0000 0000323163OEO8AC7217E89185AF3807E86F24578B6B32304A643E8271086AOF 424098 96805F5 El003B9A CAOO540B E4004876 E80004A5 10004E72 AOOO107A 4000A4C6 80006FCl 0000508A 0000A764 000089E8 000023456789101112131415161718190.19990.28F50.4 1890.680B0.A7C50.10C60.1 A070.2 AF 30.44B 80.6 OF 3O.AFE B0.11970.1 C2 59999 9999C28F 5C28374B C6A78BAC 710CAC47 1B47F7 AO B5E 0F29 A BCAF10C4 61 182FAO 9B5A7F67 5EF6FFOB CB249981 2 DE AC268 49760.2 DO 9 370 0 425 70.4 80 E BE 7 B 90580.734A CA5 f 62260.B877 AA32 36A40.12720.10835001C94F0243B602999AF5C3 xEF9E xB296 x8423 x8037 x4858 x73BF x52CC xEAOF xAAFF x1 1 19 x81C2 x3604 x5660 xFOAE xB449 xABA1 xAC35 x16- 116- 216- 316- 416- 4_ti16 -16- 616- 716- 816- 916- 916- 1016 -1116- 1216- 1316- 1416- 1416- 15180 Appendix A
HEXADECRAL-DECIMAL INTEGER CONVERSION TABLE<strong>The</strong> table below provides for direct conversions between hexa- Hexadecimal fractions may be converted to decimal fractionsdecimal integers in the range O-FFF and decimal integers in as follows:the range 0-4095. For conversion of larger integers, thetable values may be added to the following figures: <strong>1.</strong> Express the hexadecimal fraction as an integer times16 -n, where n is the number of significant hexadecimalHexadecimal Decimal Hexadecima I Decimal places to the right of the hexadecimal point.01 000 4096 20000 131 07202000 8 192 30000 196608O. CA9BF3 16= CA9 BF3 16x 16-603000 12288 40000 262 144 2. Find the decimal equivalent of the hexadecimal integer04 000 16384 50000 3276SO05 000 20480 60000 39321606 000 24576 70000 458752CA9 BF3 = 13 278 195 16 1007000 28672 SO 000 524288 3. Multiply the decimal equivalent by 16- n08000 32768 90 000 58982409000 36 864 AOooo 655 360 13278 195OA 000 40960 SO 000 720896 x 596 046 448 x 10- 16OB 000 45056 CO 000 786 432oe 000 49 152 00000 851 9680.791442096 10OD 000 53248 EO 000 917 504 Decimal fractions may be converted to hexadecimal fractionsOE 000 57344 FO 000 983040 by successively multiplying the decimal fraction by 16 . 10OF 000 61 440 100 000 1 048576 After each multiplication, the integer portion is removeCl to10000 65536 200000 2097 152 form a hexadecimal fraction by bui Iding to the right of the11 000 69632 300 000 3 145728 hexadecimal point. However, since decimal arithmetic is12000 73728 400 000 4 194304 used in this conversion, the integer portion of each product13000 77824 500000 52428SO must be converted to hexadecimal numbers.14 000 81920 600000 6 291 45615000 86 016 700 000 7340032 Example: Convert 0.89510 to its hexadecimal equivalent16000 90 112 800 000 8388 6080.89517000 94208 900000 9437 184J1618000 98304 AOO 000 10 485 76019000 102400 BOO 000 11 534 336~lA 000 106 496 COO 000 12582 912@.120IB 000 110592 DOO 000 13631 488lC 000 114688 Eoo 000 14 6SO 064ID 000 118784 Foo 000 15 728640 ;;;==-~lE 000 122880 1 000 000 16777216IF 000 126 976 2000 000 335544320.E51 E 16 • @.71~0 1 2 3 4 5 6 7 8 9 A B C D E F000 0000 0001 0002 0003 0004 0005 0006 0007 0008 0009 0010 0011 0012 0013 0014 0015010 0016 0017 0018 0019 0020 0021 0022 0023 0024 0025 0026 0027 0028 0029 0030 0031020 0032 0033 0034 0035 0036 0037 0038 0039 0040 0041 0042 0043 0044 0045 0046 0047030 0048 0049 0050 0051 0052 0053 0054 0055 0056 0057 0058 0059 0060 0061 0062 0063040 0064 0065 0066 0067 0068 0069 0070 0071 0072 0073 0074 0075 0076 0077 0078 0079050 0080 0081 0082 0083 0084 0085 0086 0087 0088 0089 0090 0091 0092 0093 0094 0095060 0096 0097 0098 0099 0100 0101 0102 0103 0104 0105 0106 0107 0108 0109 0110 0111070 0112 0113 0114 0115 0116 0117 0118 0119 0120 0121 0122 0123 0124 0125 0126 0127080 0128 0129 0130 0131 0132 0133 0134 0135 0136 0137 0138 0139 0140 0141 0142 0143090 0144 0145 0146 0147 0148 0149 0150 0151 0152 0153 0154 0155 0156 0157 0158 0159OAO 0160 0161 0162 0163 0164 0165 0166 0167 0168 0169 0170 0171 0172 0173 0174 0175OBO 0176 0177 0178 0179 01SO 0181 0182 0183 0184 0185 0186 0187 0188 0189 0190 0191oeo 0192 0193 0194 0195 0196 0197 0198 0199 0200 0201 0202 0203 0204 0205 0206 0207ODO 0208 0209 0210 0211 0212 0213 0214 0215 0216 0217 0218 0219 0220 0221 0222 0223OEO 0224 0225 0226 0227 0228 0229 0230 0231 0232 0233 0234 0235 0236 0237 0238 0239OFO 0240 0241 0242 0243 0244 0245 0246 0247 0248 0249 0250 0251 0252 0253 0254 0255Appendix A 181
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Xerox 560 ComputerReference Manual9
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4. INPUT/OUTPUT OPERA TIO NS 142 AG
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1. XEROX 560 COMPUTER SYSTEMINTRODU
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Many operations are performed in fl
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Rapid Context Switching. When respo
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2. SYSTEM ORGANIZATIONThe elements
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FAST MEMORYARITHMETIC AND CONTROL U
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INFORMATION BOUNDARIESBasic process
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(Maximumof eight)Core Core Core Cor
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3. Diagnostic logic. Each memory dr
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eference address field of the instr
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Instruction in memory:Instruction i
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Real-extended addressing is specifi
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Table 1. Basic Processor Operating
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DesignationFunctionDesignationFunct
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InterruptStateDisarmedArmed[$Waitin
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AddressTable 2. Interrupt Locations
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is assumed to contain an XPSD or a
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Table 3. Summary of Trap LocationsL
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TRAP MASKSThe programmer may mask t
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PUSH-DOWN STACK LIMIT TRAPPush-down
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Instruction Name Mnemonic FaultDeci
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subroutine. However, with certain c
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3. INSTRUCTION REPERTOIREThis chapt
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CC1 is unchanged by the instruction
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Condition code settings:2 3 4 Resul
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Example 2, odd R field value:Before
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significance (FS), floating zero (F
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next sequential register after regi
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R 1 R2 R3 MeaningoThe effective vir
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MIMULTIPLY IMMEDIATE(Immediate oper
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original contents of register R, re
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Instruction NameCompare HalfwordMne
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2 3 4 Result of ShiftCircular Shift
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4. At the completion of the left sh
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Instruction NameFloating Subtract L
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The following table shows the possi
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Table 8.Condition Code Settings for
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PACKED DECIMAL NUMBERSAll decimal a
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DSTDECIMAL STORE(Byte index alignme
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If no indirect addressing or indexi
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Instruction NameMnemonicDesignation
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Both byte strings are C bytes in le
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of the destination byte that caused
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again present, unti I a positive or
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The new contents of register 7 are:
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traps to location X'42 1 as a resul
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If there is sufficient space in the
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If CC1, or CC3, or both CC1 and CC3
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appropriate memory stack locations
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II, EI) are generated by II ORing"
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In the real extended addressing mod
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CAll INSTRUCTIONSEach ofthe four CA
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The XPSD instruction' is used for t
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If (I)1O = 0, trap or interrupt ins
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For either memory map format and ei
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initial value plus the initial valu
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Table 9. Status Word 0Field Bits Co
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READ INTERRUPT INHIBITSThe followin
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Table 11.Read Direct Mode 9 Status
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SET ALARM INDICATORThe following co
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INPUT jOUTPUT INSTRUCTIONSThe I/o i
Page 135 and 136: Table 13.Description of I/o Instruc
Page 137 and 138: Table 15.Device Status Byte (Regist
Page 139 and 140: Table 16. Operational Status Byte (
Page 141 and 142: Table 19.Status Response Bits for A
Page 143 and 144: If CC4 = 0, the MIOP is in a normal
Page 145 and 146: 2 3 4 Meaningo 0 I/o address not re
Page 147 and 148: The functions of bits within the DC
Page 149 and 150: 4. Each unit-record controller (int
Page 151 and 152: Interrupt at Channel End (Bit Posit
Page 153 and 154: Transfer in Channel. A control lOCO
Page 155 and 156: Otherwise, the first word of the ne
Page 157 and 158: Depending upon the characteristics
Page 159 and 160: change the rate on the primary cons
Page 161 and 162: Location(hex) (dec)20 3221 3322 342
Page 163 and 164: Table 22.Diagnostic Control (P-Mode
Page 165 and 166: at its normal rate (e. g., fixed du
Page 167 and 168: SET LOW CLOCK MARGINSThis command c
Page 169 and 170: BP STATUS AND NO.Th i s group of i
Page 171 and 172: Input5MPri ntout5MFunctionStore X 1
Page 173 and 174: 6. SYSTEM CONFIGURATION CONTROLPool
Page 175 and 176: Table 25. Functions of Processor Cl
Page 177: Table 26. Functions of Memory Unit
Page 180 and 181: STANDARD 8-BIT COMPUTER CODES (EBCD
Page 182 and 183: STANDARD SYMBOL-CODE CORRESPONDENCE
Page 184 and 185: STANDARD SYMBOL-CODE CORRESPONDENCE
Page 188 and 189: HEXADECIMAL-DECIMAL INTEGER CONVERS
Page 194 and 195: HEXADECIMAL-DECIMAL FRACTION CONVER
Page 196 and 197: HEXADECIMAL-DECIMAL FRACTION CONVER
Page 198 and 199: APPENDIX B.GLOSSARY OF SYMBOLIC TER
Page 200 and 201: TermMeaningTermMeaningWKxWrite key
Page 202 and 203: Table C-2. Memory Unit Status Regis
Page 204 and 205: Y OYf'lV r'f'lrnf'lrtil"\n'''' ....
Page 206: 701 South Aviation BoulevardEI Segu
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