Intel 80C188EC User Manual page 47

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OVERVIEW OF THE 80C186 FAMILY ARCHITECTURE

To be dynamically relocatable, a program must not load or alter its segment registers and must

not transfer directly to a location outside the current code segment. All program offsets must be

relative to the segment registers. This allows the program to be moved anywhere in memory, pro-

vided that the segment registers are updated to point to the new base addresses.

Figure 2-9. Dynamic Code Relocation