TAILIEUCHUNG - Lecture Computer organization and assembly language - Lecture 20: Conditional and Block Structures

In this lecture, students will be able to understand: Bit Test Instruction, Conditional LOOP Instructions, LOOPZ and LOOPE, LOOPNZ and LOOPNE, block structures, Block-Structured IF Statements, Compound Expressions with AND, Compound Expressions with OR, WHILE Loops, REPEAT Loops. | CSC 221 Computer Organization and Assembly Language Lecture 20: Conditional and Block Structures Lecture 19: Review I/O Instructions StdIn proc lpszBuffer:DWORD,bLen:DWORD StdOut proc lpszText:DWORD invoke StdOut, addr message1 invoke StdIn, addr buffer, 100 Conditional Jumps Specific flags Equality Unsigned comparisons Signed Comparisons Lecture 19: Review Conditional Jumps JB, JC jump to a label if the Carry flag is set JE, JZ jump to a label if the Zero flag is set JS jumps to a label if the Sign flag is set JNE, JNZ jump to a label if the Zero flag is clear JECXZ jumps to a label if ECX equals 0 Assembly Examples (cont.) Lecture Outline Bit Test Instruction Conditional LOOP Instructions LOOPZ and LOOPE LOOPNZ and LOOPNE Block Structures Block-Structured IF Statements Compound Expressions with AND Compound Expressions with OR WHILE Loops REPEAT Loops BT (Bit Test) Instruction Copies bit n from an operand into the Carry flag Syntax: BT bitBase, n bitBase may be r/m16 or r/m32 n may

• Cơ sở dữ liệu
• Assembly language
• Computer organization
• Lecture Computer organization
• Machine instruction characteristics
• Data representation
• Program control
• Lecture Assembly Language Programming
• Bài giảng Lập trình hợp ngữ
• Assembly language programming
• Introduction to Assembly Language
• Accumulator register
• Temporary storage
• Lecture Computer Architecture and Assembly Language Programming
• Bài giảng Kiến trúc máy tính
• Computer architecture
• Data movement instructions
• PC Assembly Language
• Creating a Program
• Basic Assembly Language
• Floating Point
• Physical address calculation
• Segment register value
• Tổ chức máy tính
• Lập trình hợp ngữ
• Computer System