IBM XT 5160

Memory Segmentation Model
7 0
FFFFF
Logical Memory Space
Data Segment
Code Segment
Extra Data
Segment
XXXXO
}Stack Segment
t
64KB
~
i
~
Displacement
15
0
Offset
Address
word{
I
I
MSB
15 ;
0
I
I
LSB
Selected
CS
0000
BYTE
Segment
SS 0000
Register
DS 0000
CS,SS,DS,ES
or none
l
for I/O, INTI
Adder
00000
9
Physical
Address
Latch
Instruction Set 6-5