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

Subroutines

Tuesday 02/26, 2001

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Assigned Reading in Murdocca & Heuring:   

Assigned Reading in Neveln:  7.1-7.4

Assigned:  Project

Due:  Prog2

Topics Covered:

• Discussed Programming Exercise 2 due today.
• Subroutines in assembly language programming.
• CALL, RET, PUSH and POP instructions.
• Discussed the Project and Base 64 Content-Transfer-Encoding

Programs shown:

• A simple print subroutine in assembly language: subroutine.asm, subroutine.txt.
• A simple recursive subroutine in assembly language: recurse.asm, recurse.txt.