TAILIEUCHUNG - Lecture Computer organization and assembly language: Chapter 11 - Dr. Safdar Hussain Bouk

Lecture 11 - Addressing Modes in Assembly. In this chapter, the following content will be discussed: How do we represent data in a computer? Computer is a binary digital system, what kinds of data do we need to represent? Unsigned integers, unsigned binary arithmetic,.and other contents. | CSC 221 Computer Organization and Assembly Language Lecture 11: Addressing Modes in Assembly Lecture 10: Review Data Transfer Instructions Operand Types Instruction Operand Notation Direct Memory Operands MOV Instruction Zero & Sign Extension XCHG Instruction Direct-Offset Instructions Lecture 10: Review ADD and SUB Instructions and how they affect FLAGS (cont.) mov ax,00FFh add ax,1 ; AX= SF= ZF= CF= sub ax,1 ; AX= SF= ZF= CF= add al,1 ; AL= SF= ZF= CF= mov bh,6Ch add bh,95h ; BH= SF= ZF= CF= mov al,2 sub al,3 ; AL= SF= ZF= CF= 0100h 0 0 0 00FFh 0 0 0 00h 0 1 1 01h 0 0 1 FFh 1 0 1 Lecture Outline Data-Related Operators and Directives OFFSET, PTR, TYPE, etc. Operators Indirect Addressing in Assembly Indirect Operands Array Sum Example Indexed Operands Pointers Index Scaling JMP and LOOP Instructions Data-Related Operators and Directives OFFSET Operator PTR Operator TYPE Operator LENGTHOF Operator SIZEOF Operator LABEL Directive OFFSET Operator OFFSET returns the distance in bytes, of

• Cơ sở dữ liệu
• Computer organization
• Assembly language
• Tổ chức máy tính
• Lecture Computer organization
• Assembly language programming
• Lập trình hợp ngữ
• Computer System
• Ebook Computer organization
• Hardware software interface
• Computer design
• Language of the computer
• Computer abstractions
• Arithmetic for computers
• Computer organization and design
• Ebook Computer organization and design
• Computer hardware
• Bài giảng Computer Organization and Architecture
• Computer Organization and Architecture
• Xử lý song song
• Multiple Processor Organization
• Tìm hiểu Single Instruction
• tìm hiểu xử lý song song
• Cấu trúc máy tính
• Hierarchical system
• Parallel organization
• Interactive simulations
• Assembly language projects
• Computer Evolution and Performance
• Hiệu suất máy tính
• Thiết bị điều khiển
• ALU operating on binary data
• Máy tính số học
• Tìm hiểu Computer Arithmetic
• Arithmetic & Logic Unit
• Integer Representation