September 2017
Beginner to intermediate
290 pages
6h 58m
English
Content preview from Mastering Assembly Programming
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Bit #10 - direction flag
The direction flag (DF) controls the direction of string operations. An operation is performed from the lower address to the higher address if the flag is reset (is 0) or from the higher address to the lower address if the flag is set (is 1).
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