Intel 121748-001 manual Llllllllllllll PP, Loc, LLLI.LLLLLLLLLL Fixuprepresentati, Link Operation

8086 Object Module Formats Version 4.8

3 Self-Relative Reference To An EXTERNAL Symbol

A LLLLLLLLLLLLLL (- PP			? ••••••••••••••
L	+--------	L	•	•
L		+ L	•••••••••••• <- PT
L	I LOC	1--------------------	>. SYM	••
L	+--------	+ L	• ••••••••••	•
L	,	L		•
LLLI.LLLLLLLLLL			• • • • • • • • • • • • • •

FIXUP"REPRESENTATI IN:

LOCATION: OFFSET or LOBYTE

PSEG: SI(A) (this is the most common choice)

TARGeT: EI(SY~),0

or EI(SYM) if the offset is to be maintained in LOCATION

Or if the reference is to the i'th element of an external array:

LOCATION: OFFSET or LOBYTE

PSEG: SICA) this is the most common choice

TARGET: EI(SYM) ,i-1

LINK OPERATION:

There are three ways in which an external self-relative reference ,ay be resol ved •

CASE 1: The EX'fERNAL symbol (SYM) is found (by LINK) to be in the same LSEG as the LOCATION.

CASE 2: The EXTERNAL symbol (SYM) is found (by LINK) to be in a different LSEG, B.

CASE 3: The EXTERNAL symbol (SYM) is found (by LINK) to !)e absolute.

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