– 1 – ELEC365: Microprocessors Lab

Fall 2012 Lab. Instructor: Amelle Bedair

Qatar University

College of Engineering

Department of Electrical Engineering

Microprocessors Lab.

ELEC365

Fall 2012

Lab#1

Variable Declaration in an Assembly Program

[1] The Var iable Table

Variable Name Type Initial Value Value (in Hex)

X1 Byte 30 1E

X2

X3

X4

X5

X6

X7

X8

X9

X10

X11

X12

[2] The Data Segment Table

Variable Offset Contents

X1 0000 1E

X2

X3

X4

X5

X6

X7

X8

– 2 – ELEC365: Microprocessors Lab

Fall 2012 Lab. Instructor: Amelle Bedair

Variable Offset Contents

X9

X10

X11

X12

[3] The Data Segment Address Table (Segment of address 1234H)

Variable Offset Logical Address Physical Address

X1 0000 1234:0000 12340

X2

X3

X4

X5

X6

X7

X8

X9

X10

X11

X12