UMBC CMSC 313, Computer Organization & Assembly Language, Spring 2002, Section 0101

i386 Assembly Language II

Tuesday 02/12, 2001

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Assigned Reading in Murdocca & Heuring:   

Assigned Reading in Neveln:  6.1-6.5

Assigned:  Prog1

Due:  HW2

Topics Covered:

• Recap Intel i386 registers.
• Compiling assembly language programs using NASM on a Linux/Pentium platform.
• i386 addressing modes.
• Using a debugger to trace assembly language code. (Do look over the gdb help page.)
• Discussed programming exercise 1.

Programs shown:

• "Hello World" in assembly language: hello.asm and hello.txt.
• Assembly language program demonstrating addressing modes with the ADD instruction: add.asm and add.txt.
• Program that converts user input to uppercase: toupper.asm and toupper.txt.