IBM System/360 architecture: Difference between revisions

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| publisher = Sperry Rand Corporation
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</ref> That means kapil that instructions do not contain complete addresses, but rather specify a base register and a positive offset from the addresses in the base registers. In the case of System/360 the base address is contained in one of 15<ref group=NB>A specification of general register 0 yield a base address of zero rather than the register content.</ref> general registers. In some instructions, for example shifts, the same computations are performed for 32-bit quantities that are not addresses.
 
==Data formats==