orthogonal instruction set
<architecture> An instruction set where all (or most) instructions have
the same format and all registers and addressing modes can be used
interchangeably - the choices of op code, register, and addressing mode are
mutually independent (loosely speaking, the choices are "orthogonal"). This
contrasts with some early Intel microprocessors where only certain registers
could be used by certain instructions.
Examples include the PDP-11, 680x0, ARM, VAX.
(2002-06-26)
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orthogonal instruction set » Orwell » OS » OS2
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