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OPCODE PREFIX

  • Opcode prefix
  • Part of a computer instruction

    opcode prefix is a numeric prefix code that alters the function of a following opcode. On some instruction set architectures multiple opcode prefixes

    Opcode prefix

    Opcode_prefix

  • Opcode
  • Part of a machine instruction

    through opcode prefixes, which add a subset of new instructions made up of existing opcodes following reserved byte sequences. This table shows opcodes of

    Opcode

    Opcode

  • Z80 instruction set
  • Microprocessor instruction set

    byte opcodes (the "root instructions"), most of which are inherited from the 8080. The four remaining codes are used extensively as opcode prefixes: CB

    Z80 instruction set

    Z80 instruction set

    Z80_instruction_set

  • VEX prefix
  • Instruction set architecture extension for microprocessors

    variant. The VEX prefix replaces the 0x66, 0xF2 and 0xF3 opcode prefixes, the REX prefix, and the 0x0F, 0x0F 0x38 or 0x0F 0x3A opcode prefixes. It may not

    VEX prefix

    VEX_prefix

  • REX prefix
  • Instruction set architecture extension for microprocessors

    payload and allow addressing 32 registers. The REX coding scheme uses an opcode prefix consisting of one byte, which may be added to existing or new instruction

    REX prefix

    REX_prefix

  • Opcode table
  • Visual representation of all opcodes in an instruction set

    the opcode. Additional opcode tables can exist for additional instructions created using an opcode prefix. The structure and arrangement of an opcode table

    Opcode table

    Opcode_table

  • Prefix code
  • Set of codewords, none a prefix of another

    encoding Unicode characters, which is both a prefix-free code and a self-synchronizing code opcode prefixes used in computer instruction sets variable-length

    Prefix code

    Prefix_code

  • Illegal opcode
  • Undocumented CPU instruction that has an effect

    In computer science, an illegal opcode, also called an unimplemented operation, unintended opcode or undocumented instruction, is an instruction to a

    Illegal opcode

    Illegal opcode

    Illegal_opcode

  • List of x86 instructions
  • List of x86 microprocessor instructions

    not available — the PUSHA and POPA opcodes will cause #UD, and the BOUND opcode (62) is repurposed for the EVEX prefix. On some processors, including some

    List of x86 instructions

    List_of_x86_instructions

  • Zilog Z80
  • 8-bit microprocessor

    registers. The binary opcodes (machine language) were identical, but preceded by a new opcode prefix. Zilog published the opcodes and related mnemonics

    Zilog Z80

    Zilog Z80

    Zilog_Z80

  • EVEX prefix
  • Instruction set architecture extension for microprocessors

    up to 4 operands. Like the VEX coding scheme, the EVEX prefix unifies existing opcode prefixes and escape codes, memory addressing and operand length

    EVEX prefix

    EVEX_prefix

  • NOP (code)
  • Machine instruction that indicates to a computer to do nothing

    effects; for example, on the Motorola 68000 series of processors, the NOP opcode causes a synchronization of the pipeline. Listed below are the NOP instruction

    NOP (code)

    NOP_(code)

  • Instruction set architecture
  • Model that describes the programmable interface of a computer processor

    instructions. On the processing architecture, a given instruction may specify: opcode (the instruction to be performed) e.g. add, copy, test any explicit operands:

    Instruction set architecture

    Instruction_set_architecture

  • Comparison of instruction set architectures
  • set architectures, one or more opcode prefixes are used to alter the subsequent opcode or expand the number of opcodes. Architectures typically allow

    Comparison of instruction set architectures

    Comparison_of_instruction_set_architectures

  • Intel MCS-51
  • Single chip microcontroller series by Intel

    instructions are assigned opcodes in the range x8–xF, and are selected using the formerly unused opcode A5 as an opcode prefix in one of two ways: In "binary

    Intel MCS-51

    Intel MCS-51

    Intel_MCS-51

  • WebAssembly
  • Assembly language and bytecode for web browsers

    concatenation of the SIMD prefix, plus an opcode that is valid after the SIMD prefix, forms each SIMD opcode. The SIMD opcodes bring an additional 236 instructions

    WebAssembly

    WebAssembly

    WebAssembly

  • IBM 7090
  • Mainframe computer, 1960s

    the IBM 709: A three-bit opcode (prefix), 15-bit decrement (D), three-bit tag (T), and 15-bit address (Y) A twelve-bit opcode, two-bit flag (F), four unused

    IBM 7090

    IBM 7090

    IBM_7090

  • Vex
  • Topics referred to by the same term

    Wiktionary, the free dictionary. Vex or VEX may refer to: VEX prefix, a microprocessor opcode prefix and coding scheme for the x64 and x86 instruction set architecture

    Vex

    Vex

  • X86
  • Family of instruction set architectures

    encoding space, most registers are expressed in opcodes using three or four bits, the latter via an opcode prefix in 64-bit mode, while at most one operand

    X86

    X86

  • Branch (computer science)
  • Instruction in computer program

    Machine code General concepts Instruction set Opcode Illegal opcode Opcode table Opcode prefix Operand Addressing mode Instructions NOP Branch Indirect

    Branch (computer science)

    Branch_(computer_science)

  • ModR/M
  • Instruction encoding rule for the x86 instruction set

    set. Opcodes in x86 are generally one-byte, though two-byte instructions and prefixes exist. ModR/M is a byte that, if required, follows the opcode and

    ModR/M

    ModR/M

  • Addressing mode
  • Aspect of the instruction set architecture of CPUs

    particular operand. Keeping the addressing mode specifier bits separate from the opcode operation bits produces an orthogonal instruction set. Even on a computer

    Addressing mode

    Addressing_mode

  • INT (x86 instruction)
  • Computer assembly language instruction

    SIGTRAP. The opcode for INT3 is 0xCC, as opposed to the opcode for INT immediate8, which is 0xCD immediate8. Since the dedicated 0xCC opcode has some desired

    INT (x86 instruction)

    INT_(x86_instruction)

  • Motorola 68HC11
  • 8-bit microcontroller family

    analog-to-digital converter (ADC). Instructions using the Y register have a byte opcode prefix of 0x18. Official 68HC11 Reference Manual Motorola Annual Report 1984

    Motorola 68HC11

    Motorola 68HC11

    Motorola_68HC11

  • List of discontinued x86 instructions
  • instructions that can accept a BND prefix are the near forms of JMP (opcodes E9 and FF /4), CALL (opcodes E8 and FF /2), RET (opcodes C2 and C3), and the short/near

    List of discontinued x86 instructions

    List_of_discontinued_x86_instructions

  • Bit manipulation instructions
  • Type of computer instructions

    sign-extension and points out the potential is much greater. Intel BCD opcodes Power ISA has a large range of bit manipulation instructions, largely due

    Bit manipulation instructions

    Bit_manipulation_instructions

  • Orthogonal instruction set
  • Type of computer instruction set

    largely due to a desire to keep all opcodes one byte long. The binary-compatible Z80 later added opcode prefixes to escape from this 1-byte limit and

    Orthogonal instruction set

    Orthogonal_instruction_set

  • Indirect branch
  • Type of program control instruction

    Machine code General concepts Instruction set Opcode Illegal opcode Opcode table Opcode prefix Operand Addressing mode Instructions NOP Branch Indirect

    Indirect branch

    Indirect_branch

  • List of x86 SIMD instructions
  • 77 opcode can be VEX-encoded (resulting in the AVX VZEROUPPER and VZEROALL instructions), but this requires a VEX.NP prefix, not a VEX.66 prefix. The

    List of x86 SIMD instructions

    List_of_x86_SIMD_instructions

  • Execute instruction
  • Computer instruction executing another instruction

    Machine code General concepts Instruction set Opcode Illegal opcode Opcode table Opcode prefix Operand Addressing mode Instructions NOP Branch Indirect

    Execute instruction

    Execute_instruction

  • STM8
  • 8-bit microcontroller family

    rarely used branch instructions have had their opcodes changed to require a 90 prefix, and the unprefixed opcodes reassigned to signed branches which depend

    STM8

    STM8

    STM8

  • Hitachi 6309
  • Hitachi variant of the Motorola 6809 8-bit microprocessor

    especially in tight loops.[citation needed] Most of new instructions use opcode prefixes that makes them slower by one cycle when compared to similar 6809 instruction

    Hitachi 6309

    Hitachi 6309

    Hitachi_6309

  • Repeat instruction
  • Machine instruction executing another instruction repeatedly

    repeat instructions (REP(∅/E/Z/NE/NZ)) which are called "repeat string opcode prefixes" and may only be applied to a small number of string instructions (INS

    Repeat instruction

    Repeat_instruction

  • Motorola S08
  • indexed addressing modes. (Instructions using the SP register have an opcode prefix with the byte 0x9E). It has a single eight-bit accumulator, A, one sixteen-bit

    Motorola S08

    Motorola_S08

  • Program Segment Prefix
  • Data structure in DOS

    The Program Segment Prefix (PSP) is a data structure used in DOS systems to store the state of a program. It resembles the Zero Page in the CP/M operating

    Program Segment Prefix

    Program_Segment_Prefix

  • Pentium F00F bug
  • Design flaw in 1993-1997 Intel processors

    compare and exchange of 8 bytes in register EAX). The bug also applies to opcodes ending in C9 through CF, which specify register operands other than EAX

    Pentium F00F bug

    Pentium F00F bug

    Pentium_F00F_bug

  • ST6 and ST7
  • 8-bit microcontroller product lines from STMicroelectronics

    addressing modes (X) and (Y). The instruction set consists of one byte of opcode, followed by up to two one-byte operands. The instruction set can be summarized

    ST6 and ST7

    ST6 and ST7

    ST6_and_ST7

  • COP8
  • 8-bit microcontroller

    LD addr8,#imm8, and DIR addr8. The latter is a "direct addressing" opcode prefix which may be prepended to any instruction with a [B] operand, and changes

    COP8

    COP8

  • Advanced Vector Extensions
  • Instructions for the x86 microprocessors

    aligned. The new VEX coding scheme introduces a new set of code prefixes that extends the opcode space, allows instructions to have more than two operands,

    Advanced Vector Extensions

    Advanced_Vector_Extensions

  • X86 assembly language
  • Family of backward-compatible assembly languages

    human-readable compared to raw machine code. Each machine code instruction is an opcode which, in assembly, is replaced with a mnemonic. Each mnemonic corresponds

    X86 assembly language

    X86_assembly_language

  • KR580VM80A
  • 8-bit microprocessor

    looks like an error in the KR580VM80A's microcode. If a CALL instruction opcode is supplied during INTA cycle and the INT input remains asserted, the KR580VM80A

    KR580VM80A

    KR580VM80A

    KR580VM80A

  • Port Control Protocol
  • Computer network protocol

    request or response header containing an opcode that determines the associated operation, any relevant opcode-specific information (such as which ports

    Port Control Protocol

    Port_Control_Protocol

  • Octal
  • Base-8 numeral representation

    on this platform, although certain properties of the binary encoding of opcodes become more readily apparent when displayed in octal, e.g. the ModRM byte

    Octal

    Octal

  • PIC instruction listings
  • List of computer processor instructions

    microcontrollers (part number prefixes HY10 through HY17) with an "H08" CPU core which is very similar to the PIC18. Although the opcode assignments do not appear

    PIC instruction listings

    PIC_instruction_listings

  • X86 debug register
  • Computer register for debugging

    general-detect (see bit 13), and behavior of the F1h ("ICEBP"/"INT01") opcode to: On Intel 386/486 processors, break to In-circuit emulation. (This will

    X86 debug register

    X86_debug_register

  • Operand
  • Object of a mathematical operation, quantity on which an operation is performed

    be zero, one, two, or more operands. Mathematics portal Instruction set Opcode American Heritage Dictionary "Physical Review Style and Notation Guide"

    Operand

    Operand

  • DDR5 SDRAM
  • Type of computer memory

    to convert from bits to bytes. Here, K, M, G, or T refer to the binary prefixes based on powers of 1024. Smith, Ryan (July 14, 2020). "DDR5 Memory Specification

    DDR5 SDRAM

    DDR5 SDRAM

    DDR5_SDRAM

  • Toshiba TLCS
  • Prefix applied to microcontrollers made by Toshiba

    single-byte prefixes used by the Z80 or x86 architecture, may itself be followed by operand bytes. After the prefix bytes, the second opcode byte specifies

    Toshiba TLCS

    Toshiba_TLCS

  • List of CIL instructions
  • instructions in the instruction set of the Common Intermediate Language bytecode. Opcode abbreviated from operation code is the portion of a machine language instruction

    List of CIL instructions

    List_of_CIL_instructions

  • Macintosh Toolbox
  • System routines for Classic Mac OS

    illegal opcode handler. As 1111 was reserved for use by co-processors such as the 68881 FPU, Apple chose 1010 (A in hexadecimal) as the prefix for operating

    Macintosh Toolbox

    Macintosh_Toolbox

  • COM file
  • Type of simple executable file

    works on all three processors.) C9h is an invalid opcode on the 8088/8086, however it is the opcode for LEAVE since the 80188/80186. Albeit possible,

    COM file

    COM file

    COM_file

  • JVM bytecode
  • Instruction set of the Java virtual machine

    one byte that represents the opcode, along with zero or more bytes for operands. Of the 256 possible byte-long opcodes, as of 2015[update], 202 are in

    JVM bytecode

    JVM_bytecode

  • COP400
  • 4-bit microcontroller family

    2-byte opcodes prefixed with 33H (support depends on CPU type) Opcode Mnemonic Description Skip CPU Types 7 6 5 4 3 2 1 0 0 0 0 b0 0 0 b1 1 SKGBZ b — Gb

    COP400

    COP400

    COP400

  • Domain Name System
  • System to identify resources on a network

    follows: QR: 1 bit Indicates if the message is a query (0) or a reply (1). OPCODE: 4 bits The type can be QUERY (standard query, 0), IQUERY (inverse query

    Domain Name System

    Domain_Name_System

  • Branch predictor
  • Digital circuit

    particular branch needs to be updated, it rewrites the opcode with the semantically equivalent opcode that hinted the proper history. This scheme obtains

    Branch predictor

    Branch predictor

    Branch_predictor

  • IBM 700/7000 series
  • Mainframe computer systems made by IBM through the 1950s and early 1960s

    address. Sign (1 bit) – Whole-word (-) or Half-word (+) operand address Opcode (5 bits) – 32 instructions Address (12 bits) – 4096 Half-word addresses

    IBM 700/7000 series

    IBM 700/7000 series

    IBM_700/7000_series

  • XOP instruction set
  • Computer instruction set introduced by AMD in 2009

    instructions have an opcode byte 8F (hexadecimal), but otherwise almost identical coding scheme as AVX with the 3-byte VEX prefix. Commentators have seen

    XOP instruction set

    XOP_instruction_set

  • CPUID
  • Instruction for x86 microprocessors

    In the x86 architecture, the CPUID instruction (identified by a CPUID opcode) is a processor supplementary instruction (its name derived from "CPU Identification")

    CPUID

    CPUID

  • X86-64
  • 64-bit extension of x86 architecture

    Intel 64. The 0F 0D /r opcode with the ModR/M byte's Mod field set to 11b is a Reserved-NOP on Intel 64 but will cause #UD (invalid-opcode exception) on AMD64

    X86-64

    X86-64

    X86-64

  • RISC-V
  • Open-source CPU instruction set architecture

    compensate, RISC-V's 32-bit instructions are actually 30 bits; 3⁄4 of the opcode space is reserved for an optional (but recommended) variable-length compressed

    RISC-V

    RISC-V

    RISC-V

  • PEEK and POKE
  • Commands in some high-level programming languages

    simplest, way to program in machine language was to use BASIC to POKE the opcode values into memory. Doing much low-level coding like this usually came from

    PEEK and POKE

    PEEK and POKE

    PEEK_and_POKE

  • Intel 8087
  • Floating-point microprocessor

    three bits of the floating-point opcode. Then two "m" bits, then the latter half three bits of the floating-point opcode, followed by three "r" bits. The

    Intel 8087

    Intel 8087

    Intel_8087

  • List of DNS record types
  • Overview of resource records permissible in zone files of the Domain Name System

    RFC 1034 and 1035. P. Koch (June 2001). A DNS RR Type for Lists of Address Prefixes (APL RR). Network Working Group. doi:10.17487/RFC3123. RFC 3123. Experimental

    List of DNS record types

    List of DNS record types

    List_of_DNS_record_types

  • RL78
  • Microcontroller

    that region. Access to other regions of the address space uses an "ES" prefix opcode, indicating that the high four address bits should come from a special

    RL78

    RL78

  • Transputer
  • Series of pioneering microprocessors from the 1980s

    the time, many instructions took only one cycle to execute. Instruction opcodes were used as the entry points to the microcode read-only memory (ROM) and

    Transputer

    Transputer

    Transputer

  • Syllable (computing)
  • Platform-specific data size used for some historical digital hardware

    descriptions of redirect targets Nibble – Four-bit unit of binary data Opcode, aka instruction syllable – Part of a machine instruction Parcel (computing) –

    Syllable (computing)

    Syllable_(computing)

  • Intel iAPX 432
  • Discontinued Intel microprocessor architecture

    is terminated by the 0 to 5 bit opcode, if any (some classes contain only one instruction and therefore have no opcode). "The Format field permits the

    Intel iAPX 432

    Intel iAPX 432

    Intel_iAPX_432

  • RCA 1802
  • Early microprocessor

    instructions, the upper four bits (the high-order nibble) specify the instruction opcode and are latched into the I register during instruction fetch. The lower

    RCA 1802

    RCA 1802

    RCA_1802

  • Keystroke programming
  • key itself (21 and 26) are never used as opcodes. Here is the table of the codes produced with the 2nd prefix: The Ind key allows for indirection: wherever

    Keystroke programming

    Keystroke_programming

  • General protection fault
  • Fault initiated by x86 processors due to an access violation

    classify some exceptions not related to access violations, such as illegal opcode exceptions, as general protection faults, even though they have nothing

    General protection fault

    General protection fault

    General_protection_fault

  • U880
  • 8-bit microprocessor

    unlicensed clone of the Zilog Z80 microprocessor, also supporting illegal opcodes and bugs, except for very minor differences like not setting the CY flag

    U880

    U880

    U880

  • Blackfin
  • Hybrid RISC digital signal processor

    as 16-bit opcodes while complex DSP and mathematically intensive functions are encoded as 32- and 64-bit opcodes. This variable length opcode encoding

    Blackfin

    Blackfin

  • Transactional Synchronization Extensions
  • Instruction set architecture extension

    two new instruction prefixes, XACQUIRE and XRELEASE. These two prefixes reuse the opcodes of the existing REPNE / REPE prefixes (F2H / F3H). On processors

    Transactional Synchronization Extensions

    Transactional_Synchronization_Extensions

  • Z/Architecture
  • IBM's 64-bit instruction set architecture implemented by its mainframe computers

    the page move is completed." The MVPG mainframe instruction (MoVe PaGe, opcode X'B254') has been compared to the MVCL (MoVe Character Long) instruction

    Z/Architecture

    Z/Architecture

  • NEC V20
  • 16-bit microprocessor introduced by NEC

    arbitrary lengths (EXT, INS). And finally, there were two additional repeat prefixes, REPC and REPNC, which amended the original REPE and REPNE instructions

    NEC V20

    NEC V20

    NEC_V20

  • Debug (command)
  • Line-oriented debug utility in DOS

    several limitations: In assembly/disassembly modes it only supports 8086 opcodes. It can only access 16-bit registers and not 32-bit extended registers

    Debug (command)

    Debug (command)

    Debug_(command)

  • PHP
  • Scripting language created in 1994

    time the script runs. An opcode cache, Zend Opcache, is built into PHP since version 5.5. Another example of a widely used opcode cache is the Alternative

    PHP

    PHP

    PHP

  • Alternate Instruction Set
  • Instruction set architecture

    Micro-operations were shown to have a format that includes the fields opcode, exec unit, src width, src1, src2, dest width, dest, write flags? and end

    Alternate Instruction Set

    Alternate_Instruction_Set

  • Magic number (programming)
  • Numeric value with an unclear meaning

    scheme used to prefix all SSL packets consists of two- and three- byte header forms. Typically an SSL version 2 client hello message is prefixed with an 80

    Magic number (programming)

    Magic_number_(programming)

  • Microcode
  • Layer of hardware-level instructions or data structures

    look to find the two operands. Using the variation of the instruction, or "opcode", that most closely matches the ultimate operation can reduce the number

    Microcode

    Microcode

  • Metadata (CLI)
  • Common Language Infrastructure metadata about classes and class members

    inheritance modifiers, scope modifiers, and almost anything that isn't either opcodes or streams, are also referred to as attributes. A custom attribute is a

    Metadata (CLI)

    Metadata_(CLI)

  • X86 memory segmentation
  • Memory segmentation on Intel x86

    probably an accident, as it follows a pattern of PUSH and POP instruction opcodes for the four segment registers on the 8086 and 8088. x86 memory models

    X86 memory segmentation

    X86_memory_segmentation

  • MBASIC
  • Dialect of the BASIC programming language

    memory, or POKEd into string constants, as a series of machine codes (opcodes). MBASIC also provided hardware INP and OUT instructions that read and

    MBASIC

    MBASIC

  • List of x86 cryptographic instructions
  • REP prefix optional for instructions other than XSTORE - with such assemblers, the PadLock instructions will be assembled with one F3 (REP) prefix byte

    List of x86 cryptographic instructions

    List_of_x86_cryptographic_instructions

  • TMS320
  • Series of Digital Signal Processor chips

    TMS320C54x 16-bit fixed-point DSP, 6 stage pipeline with in-order-execution of opcodes, parallel load/store on arithmetic operations, multiply accumulate and

    TMS320

    TMS320

    TMS320

  • RDRAND
  • Computer instruction for returning hardware-generated random numbers

    The opcode for RDRAND is 0x0F 0xC7, followed by a ModRM byte that specifies the destination register and optionally combined with a REX prefix in 64-bit

    RDRAND

    RDRAND

  • Cosmos (operating system)
  • Toolkit for building GUI and command-line based operating systems

    ahead-of-time compiler named IL2CPU, designed to parse CIL and output x86 opcodes. (IL To CPU) is an AOT compiler that is written using a Common Intermediate

    Cosmos (operating system)

    Cosmos (operating system)

    Cosmos_(operating_system)

  • Word (computer architecture)
  • Base memory unit handled by a computer

    rather than bytes or characters. The documentation sometimes uses metric prefixes correctly, sometimes with rounding, e.g., 65 kilowords (kW) meaning for

    Word (computer architecture)

    Word_(computer_architecture)

  • Tail call
  • Subroutine call performed as final action of a procedure

    directly, tail-call elimination is easy: it suffices to replace a call opcode with a jump one, after fixing parameters on the stack. From a compiler's

    Tail call

    Tail_call

  • Motorola 6800
  • 8-bit microprocessor

    It has 72 instructions with seven addressing modes for a total of 197 opcodes. The original MC6800 could have a clock frequency of up to 1 MHz. Later

    Motorola 6800

    Motorola 6800

    Motorola_6800

  • IBM System/360 architecture
  • Model independent architecture for the S/360 line of mainframe computers

    Instructions in the S/360 are two, four or six bytes in length, with the opcode in byte 0. Instructions have one of the following formats: RR (two bytes)

    IBM System/360 architecture

    IBM_System/360_architecture

  • Control table
  • Data table used to control program flow

    – the branch instructions still carry some redundancy, since the branch opcode and condition code mask are repeated alongside the branch offsets. Control

    Control table

    Control table

    Control_table

  • List of x86 virtualization instructions
  • AX/EAX/RAX depends on address-size, which can be overridden with the 67h prefix. Support for AMD-V was added in stepping F of the AMD K8, and is not available

    List of x86 virtualization instructions

    List_of_x86_virtualization_instructions

  • DOS/360 and successors
  • IBM mainframe operating system designed for use with smaller machines

    issues command to a magnetic tape unit. The format is // MTC <opcode>,SYSxxx[,<nn>]. <opcode> is a function such as "FSF" to forward space one file or "REW"

    DOS/360 and successors

    DOS/360_and_successors

  • A20 line
  • Signal in the system bus of an x86-based computer system

    used a clever trick. The byte at offset 5 of the PSP contained a far call opcode (9Ah); the word at offset 6 of the PSP contained the appropriate value to

    A20 line

    A20 line

    A20_line

  • Binary-coded decimal
  • System of digitally encoding numbers

    The Intel 8080, the Zilog Z80 and the CPUs of the x86 family provide the opcode DAA (Decimal Adjust Accumulator on 8080 and Z80 / Decimal Adjust for Addition

    Binary-coded decimal

    Binary-coded decimal

    Binary-coded_decimal

  • Vector processor
  • Computer processor which works on arrays of several numbers at once

    the wider the SIMD width the worse the problems get, leading to massive opcode proliferation, degraded performance, extra power consumption and unnecessary

    Vector processor

    Vector_processor

  • PIC microcontrollers
  • Line of single-chip microprocessors from Microchip Technology

    set differs very little from the baseline devices, but the two additional opcode bits allow 128 registers and 2048 words of code to be directly addressed

    PIC microcontrollers

    PIC microcontrollers

    PIC_microcontrollers

  • BASIC interpreter
  • Interpreter that enables users to enter and run programs in the BASIC language

    the front of the program for use by the 1-byte RST 8080 opcode instead of the 3-byte CALL opcode. In LLL BASIC, some variables occupied the same memory

    BASIC interpreter

    BASIC interpreter

    BASIC_interpreter

  • TI MSP430
  • Mixed-signal microcontroller family

    follows: All other instructions can have an prefix word added which extends them to 20 bits. The prefix word contains an added operand size bit, which

    TI MSP430

    TI MSP430

    TI_MSP430

AI & ChatGPT searchs for online references containing OPCODE PREFIX

OPCODE PREFIX

AI search references containing OPCODE PREFIX

OPCODE PREFIX

  • Van
  • Boy/Male

    Dutch American

    Van

    Equivalent of 'de' in French names. Van was sometimes converted from a surname prefix to a given...

    Van

  • Avinash
  • Boy/Male

    Bengali, Celebrity, Gujarati, Hindu, Indian, Kannada, Kashmiri, Malayalam, Marathi, Punjabi, Sanskrit, Sikh, Sindhi, Tamil, Telugu

    Avinash

    Indestructible; Legend; Immortal; Happy; Oppose Destruction; Long Life; Unconquerable

    Avinash

  • Broadway
  • Surname or Lastname

    English

    Broadway

    English : habitational name from places called Broadway, in Worcestershire and Somerset, from Old English brād ‘broad’, ‘extensive’ + weg ‘way’, ‘road’, or a topographic name with the same meaning. See also Bradway.English : possibly a habitational name from Broadwey in Dorset, ‘the broad manor on the Wey river’, named with Old English brād ‘broad’ prefixed to Wey, an ancient pre-English river name.

    Broadway

  • Purchase
  • Surname or Lastname

    English

    Purchase

    English : metonymic occupational name for an official responsible for obtaining the supplies required by a monastery or manor house, from Anglo-Norman French purchacer ‘to acquire or buy’ (Old French pourchacier, from chacier ‘to chase or catch’ + the intensive prefix p(o)ur, Latin pro).

    Purchase

  • Sanhitha | ஸஹிதா
  • Girl/Female

    Tamil

    Sanhitha | ஸஹிதா

    Code

    Sanhitha | ஸஹிதா

  • Mari
  • Girl/Female

    Welsh American

    Mari

    meaning bitter. Favored prefix for blended names like Maribel.

    Mari

  • Upwode
  • Boy/Male

    British, English

    Upwode

    From the Upper Forest

    Upwode

  • Colston
  • Surname or Lastname

    English

    Colston

    English : from a Middle English personal name, Colstan, which is probably from Old Norse Kolsteinn, composed of the elements kol ‘charcoal’ + steinn ‘stone’.English : habitational name from Colston Basset in Nottinghamshire, or the nearby Car Colston, both of which seem to have originally been named from the Old Norse personal name Kolr + Old English tūn ‘settlement’. The first syllable of Car Colson was originally the defining prefix kirk ‘church’.English : habitational name from Coulston in Wiltshire, which is named with the genitive case of an Old English personal name Cufel (diminutive of Cufa) + Old English tūn ‘enclosure’, ‘settlement’.

    Colston

  • Unwin
  • Surname or Lastname

    English

    Unwin

    English : from the Old English personal name Hūnwine, composed of the elements hūn ‘bear cub’ + wine ‘friend’. Later in the Old English or early Middle English period, this name came to be confused with the word unwine ‘enemy’ (from the negative prefix un- + wine ‘friend’), and this is no doubt the source of the surname in some cases.

    Unwin

  • Code
  • Surname or Lastname

    English

    Code

    English : variant spelling of Coad.

    Code

  • Winford
  • Surname or Lastname

    English

    Winford

    English : habitational name from either of two places named Winford, in Somerset or in Newchurch on the Isle of Wight, or from Wynford Eagle in Dorset. The first and last are named from a Celtic river name meaning ‘white or bright stream’, the last having acquired a manorial prefix from the del Egle family, who were there in the 13th century. Winford, Isle of Wight, is named from an unattested Old English winn ‘meadow’ + Old English ford ‘ford’.

    Winford

  • Podd
  • Surname or Lastname

    English

    Podd

    English : nickname from Middle English pode ‘toad’.

    Podd

  • Kinsey
  • Surname or Lastname

    English

    Kinsey

    English : from the Middle English personal name Kynsey, a survival of Old English Cynesige, composed of the elements cyne ‘royal’ + sige ‘victory’.This name may also have assimilated some cases of Scottish MacKenzie, with the Mac prefix omitted.Possibly an Americanized spelling of Swiss German Künzi (see Kuenzi).The paternal grandfather of NJ and PA legislator John Kinsey (1693–1750) was one of the commissioners sent out from England in 1677 by the West Jersey proprietors to buy land from the Indians and to lay out a town. John was the leader of the Quaker party in the PA assembly and chief justice of the PA supreme court.

    Kinsey

  • Lusher
  • Surname or Lastname

    English, Scottish, and Irish

    Lusher

    English, Scottish, and Irish : variant of Usher 1, with the Old French definite article prefixed.Translation of French Lussier, L’Huissier with the French definite article retained. Compare Lafontaine.Americanized spelling of German Lüscher (see Luscher).

    Lusher

  • Jo
  • Girl/Female

    English American French Latin

    Jo

    Abbreviation of names like Joanna and Josephine. Also used as a prefix in compound names like...

    Jo

  • Stickler
  • Surname or Lastname

    English

    Stickler

    English : nickname for a person who insisted on a strict code of social behavior.German : topographic name for someone who lived on or by a hill, from Middle High German stickel ‘hill’, ‘slope’ + the suffix -er denoting an inhabitant; in the south an occupational name for someone who shapes and sets stakes in vineyards.

    Stickler

  • Sanhitha
  • Girl/Female

    Hindu

    Sanhitha

    Code

    Sanhitha

  • Hughley
  • Surname or Lastname

    English

    Hughley

    English : habitational name from a place so called in Shropshire, named in Old English with the element lēah ‘wood’, ‘glade’; the Middle English personal name Hugh (see Hugh) was prefixed to this in the 12th century, to indicate ownership.Possibly an altered spelling of German Hügli (see Hugley).

    Hughley

  • NORI
  • Female

    Japanese

    NORI

    (1-儀, 2-典, 3-則, 4-法) Japanese unisex name NORI means 1) "ceremony, regalia," 2) "code, precedent," 3) "model, rule, standard," 4) "law, rule."

    NORI

  • Ingle
  • Surname or Lastname

    English

    Ingle

    English : from either of two Old Norse personal names: Ingjaldr, in which the prefix in- probably reinforces the element -gjaldr, related to Old Norse gjalda ‘to pay or recompense’, or Ingólfr ‘Ing’s wolf’ (Ing was an ancient Germanic fertility god).English : habitational name from Ingol in Lancashire, which is named from the Old English personal name Inga + holh ‘hollow’, ‘depression’.Probably a variant of German Ingel, from a short form of any of several Germanic personal names formed with Ing- (see 1 above).An early bearer, Richard Ingle (1609–c. 1653), was a rebel and a pirate who first came to the colonies in 1631 or 1632 as a tobacco merchant. He is known to have practiced piracy in MD.

    Ingle

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Online names & meanings

  • Tabeal
  • Boy/Male

    Biblical

    Tabeal

    Good God.

  • Gunaveena
  • Girl/Female

    Hindu, Indian, Marathi

    Gunaveena

    Virtuous

  • Savina
  • Girl/Female

    Latin

    Savina

    A Sabine.

  • KATARINE
  • Female

    German

    KATARINE

    German form of Greek Aikaterine, KATARINE means "pure."

  • Bakhtawar
  • Boy/Male

    Hindu

    Bakhtawar

    One who brings good luck

  • Bhairav
  • Boy/Male

    Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Oriya, Sanskrit, Telugu, Traditional

    Bhairav

    Lord Shiva

  • Bhadrakaali
  • Girl/Female

    Indian

    Bhadrakaali

    Fierce form of Kali, Goddess Durga

  • Britton
  • Boy/Male

    American, Australian, British, Christian, English, Latin

    Britton

    From Britain; Brit; A Native of Brittany

  • Naa'ila
  • Girl/Female

    Muslim

    Naa'ila

    Winner.

  • CHARIS
  • Female

    English

    CHARIS

    Latin form of Greek Kharis, CHARIS means "charm, grace, kindness." In mythology, this is the singular form of plural Kharites (Charites), a name for the goddesses of charm.

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OPCODE PREFIX

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Other words and meanings similar to

OPCODE PREFIX

AI search in online dictionary sources & meanings containing OPCODE PREFIX

OPCODE PREFIX

  • Epode
  • n.

    The after song; the part of a lyric ode which follows the strophe and antistrophe, -- the ancient ode being divided into strophe, antistrophe, and epode.

  • Apodes
  • pl.

    of Apode

  • Oppose
  • n.

    To resist or antagonize by physical means, or by arguments, etc.; to contend against; to confront; to resist; to withstand; as, to oppose the king in battle; to oppose a bill in Congress.

  • Oppose
  • n.

    To place in front of, or over against; to set opposite; to exhibit.

  • Oppose
  • v. i.

    To be set opposite.

  • Opposed
  • imp. & p. p.

    of Oppose

  • Adverse
  • v. t.

    To oppose; to resist.

  • Oppose
  • n.

    To put in opposition, with a view to counterbalance or countervail; to set against; to offer antagonistically.

  • Overthwart
  • v. t.

    To cross; to oppose.

  • Reoppose
  • v. t.

    To oppose again.

  • Repugnate
  • v. t.

    To oppose; to fight against.

  • Opposing
  • p. pr. & vb. n.

    of Oppose

  • Oppone
  • v. t.

    To oppose.

  • Oppose
  • n.

    To compete with; to strive against; as, to oppose a rival for a prize.

  • Code
  • n.

    Any system of rules or regulations relating to one subject; as, the medical code, a system of rules for the regulation of the professional conduct of physicians; the naval code, a system of rules for making communications at sea means of signals.

  • Withset
  • v. t.

    To set against; to oppose.

  • Refragate
  • v. i.

    To oppose.

  • Oppose
  • v. i.

    To make objection or opposition in controversy.

  • Apods
  • pl.

    of Apode

  • Oppose
  • v. i.

    To act adversely or in opposition; -- with against or to; as, a servant opposed against the act.