- In computing, an
opcode (abbreviated from
operation code) is an
enumerated value that
specifies the
operation to be performed.
Opcodes are emplo**** in...
- An
opcode table (also
called an
opcode matrix) is a
visual representation of all
opcodes in an
instruction set. It is
arranged such that each axis of...
- An
illegal opcode, also
called an
unimplemented operation,
unintended opcode or undo****ented instruction, is an
instruction to a CPU that is not mentioned...
-
Opcode Systems, Inc. was
founded in 1985 by Dave
Oppenheim and
based in and
around Palo Alto, California, USA.
Opcode produced MIDI
sequencing software...
- ****embly,
numerical opcodes and
operands are
replaced with
mnemonics and labels. For example, the x86
architecture has
available the 0x90
opcode; it is represented...
- 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...
- instructions. On the
processing architecture, a
given instruction may specify:
opcode (the
instruction to be performed) e.g. add, copy, test any
explicit operands:...
- PREFETCHW,
opcode 0F 0D /0 as well as
opcodes 0F 0D /2../7 are all do****ented to be
performing prefetch. On
Intel processors with PREFETCHW,
these opcodes are...
- uses a
mnemonic to represent, e.g., each low-level
machine instruction or
opcode, each directive,
typically also each
architectural register, flag, etc....
- ****igned by the
program that
generates any kind of query. QR - Query/Response.
OPCODE - A 4-bit
field that
specifies the kind of
query in this message. This value...
