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Line 60: It is important to differ addresses from each other in protected mode. There are ''physical addresses'', ''linear addresses'' and ''logic addresses''. A logic address is a segment-register and a offset-register paired together. However, only the offset address matters because nearly all operating systems use ''flat addressing'' (see below). With other words: A logic address is a pointer inside a program. ~~(Example: In C, <tt>*pointer</tt> is a logic address.)~~ A linear address is a logic address that has gone through the descriptor-mechanism. (see ''Descriptors'' below.)

32-bit x86 assembly programming: Difference between revisions