TAILIEUCHUNG - Lecture Computer organization and assembly language: Chapter 10a - Dr. Safdar Hussain Bouk

Lecture 10 - Data Transfer, Add & SUB (Flags). In this chapter, the following content will be discussed: What are computing systems used for? How are computing systems implemented? What are computing systems able to do and how well can they do it? | CSC 221 Computer Organization and Assembly Language Lecture 10: Data Transfer, Add & SUB (Flags) (In Assembly) Lecture 09: Review Data Transfer Instructions Operand Types Instruction Operand Notation Direct Memory Operands MOV Instruction Zero & Sign Extension XCHG Instruction Direct-Offset Instructions Direct Memory Operands .data var1 BYTE 10h .code mov al,var1 ; AL = 10h mov al,[var1] ; AL = 10h Lecture 09: Review (cont.) MOVE Instruction .data count BYTE 100 wVal WORD 2 .code mov bl,count mov ax,wVal mov count,al mov al,wVal ; error mov ax,count ; error mov eax,count ; error .data bVal BYTE 100 bVal2 BYTE ? wVal WORD 2 dVal DWORD 5 .code mov ds,45 mov esi,wVal mov eip,dVal mov 25,bVal mov bVal2,bVal immediate move to DS not permitted size mismatch EIP cannot be the destination immediate value cannot be destination memory-to-memory move not permitted Lecture 09: Review (cont.) Lecture 09: Review (cont.) Zero Extension mov bl,10001111b movzx ax,bl ; zero-extension Sign Extension .

• 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