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Download >> Download Syntax of rep instruction
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.rep stosb
rep instruction x86
repne instruction in 8086
rep opcode
x86 rep movsb
what does the rep prefix accomplish and what type of instruction is it used withrepe cmpsb instruction in 8086
rep instruction in 8086 example
REP – Repeat String Operation Usage: REP Modifies flags: None Repeats execution of string instructions while CX != 0. After each string operation, CX is
Description. Use the rep (repeat while equal), repnz (repeat while nonzero) or repz (repeat while zero) prefixes in conjunction with string operations. Each prefix causes the associated string instruction to repeat until the count register (CX) or the zero flag (ZF) matches a tested condition.
The move string instructions are used to copy an array from one location to the Loop instruction, the string instructions come with a repeat prefix, REP, thatThe string instructions facilitate operations on sequences of bytes or words. each string instruction can be accompanied by a repeat prefix, either REP or one
Mnemonic: REP. Operation: This is an instruction prefix which can be used in string instructions. It can be used with string instructions only.
Opcode. Instruction. Description. F3 6C. REP INS r/m8, DX. Input (E)CX bytes from port DX into ES:[(E)DI]. F3 6D. REP INS r/m16,DX. Input (E)CX words from
The syntax of an assembler statement is: [label:] {prefix }[ OpCode is an instruction mnemonic or assembler directive. REP MOVSB (*repeated move byte*).
2 Data transfer instructions of 8086 microprocessor mov dest, src, Intel syntax The xchg instruction swaps the src operand with the dest operand. . clear direction flag (forward) mov ecx,6 rep movsb ; copy six times section .bss mystr2:
Assembly MOVS Instruction – Learn Assembly Programming in simple and easy including Introduction, Environment Setup, Basic Syntax, Memory Segments, s2 cld rep movsb mov edx,20 ;message length mov ecx,s2 ;message to write
The syntax of procedure declaration is the following: PROC name type To return from a procedure, the instruction rep movsb ;copy the string. MOVSW.Spalding the beast assembly instructions
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