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858:; Bakos, Jason D.; Colwell, Robert P.; Bhattacharjee, Abhishek; Conte, Thomas M.; Duato, José; Franklin, Diana; Goldberg, David; Jouppi, Norman P.; Li, Sheng; Muralimanohar, Naveen; Peterson, Gregory D.; Pinkston, Timothy M.; Ranganathan, Parthasarathy; Wood, David A.; Young, Cliff; Zaky, Amr (2017-11-23).
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and other representations intended for a software interpreter rather than a hardware device. These software-based instruction sets often employ slightly higher-level data types and operations than most hardware counterparts, but are nevertheless constructed along similar lines. Examples include the
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that specifies the operation to be performed. Beside the opcode itself, most instructions also specify the data they will process, in the form of
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321:, which are typically easier for humans to understand and write. These languages need to be compiled (translated into assembly language) by a
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317:. This enhances the readability while still giving precise control over the machine instructions. Most programming is currently done using
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operands, or none at all. There are instruction sets with nearly uniform fields for opcode and operand specifiers, as well as others (the
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architecture for instance) with a more complicated, variable-length structure. Instruction sets can be extended through the use of
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detailing all possible opcodes. Apart from the opcode itself, an instruction normally also has one or more specifiers for
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Each operation that the processor can perform is identified by a unique binary number known as an instruction code.
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or a more specialized processing unit. Opcodes for a given instruction set can be described through the use of an
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which add a subset of new instructions made up of existing opcodes following reserved byte sequences.
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MCS-4 Assembly
Language Programming Manual - The INTELLEC 4 Microcomputer System Programming Manual
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Specifications and format of the opcodes are laid out in the instruction set architecture (
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231:(i.e. data) on which the operation should act, although some operations may have
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635:. Gliwice, Poland: Jacek Skalmierski Computer Studio. pp. 80–83 .
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Application of CLP to instruction modulo scheduling for VLIW processors
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71:
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291:, and program control, as well as special instructions (such as
1099:
539:"The Functions Of A Computer: Instruction Register And Decoder"
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268:
236:
196:
801:"Finding Binary Clones with Opstrings & Function Digests"
765:"Finding Binary Clones with Opstrings & Function Digests"
729:"Finding Binary Clones with Opstrings & Function Digests"
275:), etc., specified and accessed using more or less complex
1048:
Write Great Code: Thinking Low-level, Writing High-level
219:) of the processor in question, which may be a general
199:, which are hardware devices, they can also be used in
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508:(Preliminary ed.). Santa Clara, California, USA:
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1131:
512:. December 1973. pp. B-1–B-8. MCS-030-1273-1.
435:. Computer Monographs (3 ed.). New York, USA:
427:(1978) . "2.1. Symbolic instructions". Written at
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1051:. Vol. 1. San Francisco, California, USA:
909:(1 ed.). Greensboro, North Carolina, USA:
474:"Javassist, a Java-bytecode translator toolkit"
431:, Southampton, UK. In Floretin, J. John (ed.).
860:Computer architecture: A quantitative approach
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862:(6 ed.). Cambridge, Massachusetts, USA:
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8:
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671:. School of Computing, Clemson University.
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1096:
1020:. PC Magazine Encyclopedia. Archived from
329:, or run through other compiled programs.
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122:
31:
601:
537:Raphael, Howard A., ed. (November 1974).
854:Hennessy, John L.; Patterson, David A.;
699:Computer Architecture On-Line Collection
546:MCS-40 User's Manual For Logic Designers
499:"Appendix B - Instruction Machine Codes"
413:
337:Opcodes can also be found in so-called
313:instructions and operands to represent
79:
41:
34:
1084:
1074:
809:. Part III. Vol. 30, no. 9.
586:ACM SIGARCH Computer Architecture News
915:American Broadcasting Companies, Inc.
897:"Introduction: Why Machine Language?"
773:. Part II. Vol. 30, no. 8.
388:Gadget (machine instruction sequence)
191:. In addition to opcodes used in the
7:
737:. Part I. Vol. 30, no. 7.
983:"Introduction to Assembly Language"
594:Association for Computing Machinery
705:, Department of Computer Science.
346:which are then interpreted by the
25:
953:"Programming Language Popularity"
548:. Santa Clara, California, USA:
372:
319:high-level programming languages
993:from the original on 2020-03-02
934:from the original on 2008-02-13
825:from the original on 2020-03-02
799:Schulman, Andrew (2005-09-01).
789:from the original on 2020-03-02
763:Schulman, Andrew (2005-08-01).
753:from the original on 2020-03-02
727:Schulman, Andrew (2005-07-01).
709:from the original on 2020-03-02
675:from the original on 2016-05-28
649:from the original on 2020-03-02
580:Jones, Douglas W. (June 1988).
559:from the original on 2020-03-03
519:from the original on 2020-03-01
480:from the original on 2020-03-02
251:Depending on architecture, the
1159:Low-level programming language
902:Machine Language For Beginners
307:low-level programming language
1:
350:(JVM), the byte code used in
193:instruction set architectures
27:Part of a machine instruction
959:. 2013-10-25. Archived from
669:"Multiple Instruction Issue"
360:Common Intermediate Language
919:Small System Services, Inc.
911:COMPUTE! Publications, Inc.
895:Mansfield, Richard (1983).
693:Jones, Douglas W. (2016) .
437:Elsevier North-Holland Inc.
380:Computer programming portal
201:abstract computing machines
1356:
864:Morgan Kaufmann Publishers
667:Smotherman, Mark (2016) .
1215:Microsoft Macro Assembler
981:Swanson, William (2001).
625:Domagała, Łukasz (2012).
429:University of Southampton
333:Software instruction sets
271:ports (which may also be
1144:Comparison of assemblers
627:"7.1.4. Benchmark suite"
472:Chiba, Shigeru (2007) .
362:(CIL), and many others.
162:instruction machine code
1045:Hyde, Randall (2004).
703:The University of Iowa
433:Assemblers and Loaders
259:values, values in the
180:) is the portion of a
1233:Open Watcom Assembler
1174:x86 assembly language
1012:"bytecode Definition"
811:United Business Media
425:Barron, David William
1314:Instruction listings
987:Swanson Technologies
592:(3). New York, USA:
398:Syllable (computing)
348:Java Virtual Machine
170:instruction syllable
18:Instruction syllable
1309:Calling conventions
1209:High Level Assembly
1126:x86 assembly topics
603:10.1145/48675.48684
342:byte code found in
110:Execute instruction
1304:Processor register
1055:. p. passim.
813:. pp. 64–70.
777:. pp. 56–61.
770:Dr. Dobb's Journal
741:. pp. 69–73.
734:Dr. Dobb's Journal
701:. Iowa City, USA:
289:logical operations
174:instruction parcel
156:(abbreviated from
105:Repeat instruction
1327:
1326:
1221:Netwide Assembler
1139:Assembly language
642:978-83-62652-42-6
550:Intel Corporation
510:Intel Corporation
299:Assembly language
203:as part of their
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16:(Redirected from
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582:"A Minimal CISC"
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277:addressing modes
207:specifications.
182:machine language
166:instruction code
160:, also known as
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42:General concepts
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459:(xii+100 pages)
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403:Fused operation
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279:. The types of
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907:Compute! Books
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596:(ACM): 56–63.
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1340:Machine code
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1164:Machine code
1149:Disassembler
1066:. Retrieved
1062:1-59327003-8
1047:
1026:. Retrieved
1022:the original
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995:. Retrieved
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961:the original
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225:opcode table
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80:Instructions
65:Opcode table
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36:Machine code
29:
1243:Programming
1085:|work=
1017:PC Magazine
957:langpop.com
439:p. 7.
358:code, .NET
195:of various
185:instruction
1262:Carry flag
1252:Call stack
1184:Assemblers
1068:2015-10-10
1028:2015-10-10
997:2015-10-10
967:2015-10-10
938:2016-05-28
829:2016-05-28
793:2016-05-28
757:2020-03-02
713:2016-05-28
679:2016-05-28
653:2016-05-28
563:2020-03-03
523:2020-03-02
484:2016-05-27
409:References
339:byte codes
325:-specific
301:, or just
285:arithmetic
281:operations
1319:Registers
1282:Zero flag
1087:ignored (
1077:cite book
882:983459758
819:1044-789X
783:1044-789X
747:1044-789X
352:GNU Emacs
205:byte code
150:computing
1334:Category
1192:A86/A386
991:Archived
932:Archived
823:Archived
821:. #376.
787:Archived
785:. #375.
751:Archived
749:. #374.
707:Archived
673:Archived
647:Archived
612:17280173
554:Archived
514:Archived
478:Archived
455:78-19961
366:See also
327:compiler
311:mnemonic
303:assembly
283:include
267:values,
263:, other
257:register
253:operands
247:Operands
233:implicit
229:operands
211:Overview
189:operands
178:opstring
305:, is a
255:may be
72:Operand
1294:Opcode
1245:issues
1235:(WASM)
1229:(TASM)
1223:(NASM)
1217:(MASM)
1199:(FASM)
1132:Topics
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924:
880:
870:
817:
781:
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610:
453:
443:
323:system
265:memory
154:opcode
93:Branch
55:Opcode
1257:Flags
1211:(HLA)
1205:(GAS)
608:S2CID
557:(PDF)
542:(PDF)
517:(PDF)
502:(PDF)
293:CPUID
261:stack
152:, an
1089:help
1057:ISBN
922:ISBN
878:OCLC
868:ISBN
815:ISSN
779:ISSN
743:ISSN
637:ISBN
451:LCCN
441:ISBN
356:Lisp
197:CPUs
598:doi
269:I/O
237:x86
221:CPU
217:ISA
176:or
148:In
88:NOP
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.