UMBC CMSC 313, Computer Organization & Assembly Language, Fall 2003, Section 0101

i386 Assembly Language III

Tuesday 09/16, 2001

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Assigned Reading in Murdocca & Heuring:   

Assigned Reading in Neveln:   

Assigned:  proj2

Due:  hw2, proj1

Topics Covered:

• Slides are available in PDF: Slides06.pdf. (Portion on MUL, IMUL, DIV not covered.)
• Discussed Project 1.
• Conditional jump statements. Difference between unsigned and signed jump statements. Examined in detail how JGE works with SF and OF.
• Short jumps vs near jumps.
• Logical (bit manipulation) instructions: AND, OR, NOT, SHL, SHR, SAR, SAL, ROL, ROR, RCL, RCR.
• Discussed Project 2.