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Guy Harris (talk | contribs) →Growth path: Put "extended, but not redesigned" in context - it's not as if S/370 *with* an MMU was "redesigned"; they're saying S/370 was a (mostly-)compatible extension of S/360. |
Guy Harris (talk | contribs) The "extended, but not redesigned" description comes from the M165 IBM Archives page. |
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or new operating systems.
The IBM System/360 architecture was described as having been "extended, but not redesigned, for System/370."<ref name=IBMarc.165/>
The 370 introduced some new instructions, such as MOVE CHARACTER LONG ('''MVCL''') and COMPARE CHARACTER LONG ('''CLCL'''),
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