Binary strings: Difference between revisions

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 mov cx,4 ;length of the shorter of the two.
+repz cmpsb
-repz cmpsb ;this will continue until the strings are different or CX = 0, whichever occurs first. If, after this, the zero flag is set and CX=0, the strings were the same.
+; this will continue until the strings are different or CX = 0,
+; whichever occurs first. If, after this, the zero flag is set and CX=0,
+; the strings were the same
 ret