Assembly Programming

1. COMPUTER ORGANIZATION
& ASSEMBLY LANGUAGE
LECTURE # 5
BY MUHAMMAD JAFER
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2. QUIZ
• Minutes (10)
• Total Marks (15)
• What are the basic components of a computer & task
perform by them ?
• Are these basic components dependent on each, if yes
then how and why ?
• Why do we need a memory model for a processor ?
• Name memory models for processor?
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3. MEMORY READING CONCEPTS
• Memory Data Register
• Memory Address Register
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4. INSTRUCTION CLASSES
• Three Addresses
• ADD A,B,C
• Two Addresses
• ADD A,B
• One and Half Address
• ADD X31,B
• One Address
• ADD B
• Zero Address
• ADD (SP)+,(SP)
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5. ADDRESSING MODES
• Immediate MODE
• ADD #100,A
• Direct (Absolute) MODE
• ADD 1000,A
• INDIRECT MODE
• ADD (B),A
• INDEX MODE
• ADD X(B),A
• OTHER MODES
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6. CHAPTER REVIEW
• The x86 PC Assembly Language, Design &
Interfacing by Muhammad Ali Mazidi, Janice
Gillispie Mazidi & Danny Causey
• Chapter # 1
• Inside The 8088/86
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