| NOUN | a machine instruction code | machine instruction codes |
NOUN article.ind sg | pl
23 Übersetzungen
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- Zilog introduced the Z80, which has a compatible machine language instruction set and initially used the same assembly language as the 8080, but for legal reasons, Zilog developed a syntactically-different (but code compatible) alternative assembly language for the Z80.
- Instead of the instruction set architecture being implemented in hardware, or translated by specialized hardware, the Crusoe runs a software abstraction layer, or a virtual machine, known as the Code Morphing Software (CMS).
- Assembly languages directly correspond to a machine language (see below), so machine code instructions appear in a form understandable by humans, although there may not be a one-to-one mapping between an individual statement and an individual instruction.
- Also, a Harvard architecture machine has distinct code and data address spaces: instruction address zero is not the same as data address zero.
- Some companies, such as Wolfram Research, opted to directly patch the machine code of existing executables to replace the FDIV opcode with an illegal instruction.
- One significant exception to this is the IBM AS/400, software for which is compiled into a virtual instruction set architecture (ISA) called "Technology Independent Machine Interface" (TIMI); TIMI code is then translated to native machine code by low-level software before being executed.
- A compiler converts source code into binary instruction for a specific processor's architecture, thus making it less portable.
- This was touted in a 1981 paper where implementors from the Xerox Systems Development Department (then, the development arm of PARC), tuned up the instruction set and published a paper on the resultant code density.
- Each machine instruction in memory occupies one word, and consists of 4 parts: the address (2 bytes and the sign of the word) in memory to read or write; an index specification (1 byte, describing which rI index register to use) to add to the address; a modification (1 byte) that specifies which parts of the register or memory location will be read or altered; and the operation code (1 byte).
- There exists a class of universal computers with a single instruction based on bit manipulation such as bit copying or bit inversion.
- ] instruction. A 16-bit value can be returned to BASIC by placing it in addresses 21210 and 21310 (D416 and D516).
- One was a cut-down version of the VAX instruction set architecture (ISA) that would run on a RISC-like system and leave more complex VAX instructions to system subroutines.
- For example, the instruction below tells an x86/IA-32 processor to move an immediate 8-bit value into a register.
- The name bytecode stems from instruction sets that have one-byte opcodes followed by optional parameters.
- Thus, the Transmeta chip is "internally" a VLIW processor, effectively decoupled from the x86 CISC instruction set that it executes.
- For example, the program might have tried to use an instruction not available on the current version of the CPU or attempted to access unavailable or protected memory.
- The notion of an instruction set architecture (ISA) defines and specifies the behavior and encoding in memory of the instruction set of the system, without specifying its exact implementation.
- Later versions of the design, starting with SH-5, included both 16- and 32-bit instructions, with the 16-bit versions mapping onto the 32-bit version inside the CPU.
- An "algorithm" is a sequence of simple instructions that solve a problem.
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Enthält Übersetzungen von der TU Chemnitz sowie aus Mr Honey's Business Dictionary (nur Englisch/Deutsch).
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