search:undefined opcode相關網頁資料

      • en.wikipedia.org
        An illegal opcode, also called an undocumented instruction, is an instruction to a CPU that is not mentioned in any official documentation released by the CPU's designer or manufacturer, which nevertheless has an effect. Illegal opcodes were common on old
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      • ref.x86asm.net
        This reference is intended to be precise opcode and instruction set reference (including x86-64). Its principal aim is exact definition of instruction parameters and attributes. ... Using HTML Editions Since HTML editions can look complicated at first sig
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    日期:2024-07-27
    Exceptions Faults Divide-by-zero Error The Divide-by-zero Error occurs when dividing any number by 0 using the DIV or IDIV instruction. Many OS developers use this exception to test whether their exception handling code works. This exception may also occu...
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    日期:2024-07-26
    Item Description fp# [in] The function pointer. arrayIndex [in] Optional. Specifies an offset into the function pointer array. This parameter must be a literal unsigned integer if fp# was not declared as indexable. Otherwise ......
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    日期:2024-07-24
    This document provides information about less common types of system crashes. It is recommended that you read Troubleshooting Router Crashes before you proceed with this document. ... Introduction This document provides information about less common ......
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    日期:2024-07-27
    geek32 edition of X86 Opcode and Instruction Reference ... pf 0F po so flds o proc st m rl x mnemonic op1 op2 op3 op4 iext grp1 grp2 grp3 tested f modif f def f undef f f values description, notes 00...
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    日期:2024-07-21
    Pingback: This brings back some memories | /dev/random Marc Brooks August 1, 2008 at 00:16 We used illegal opcodes and a piggy-back board to add instructions to the 6502 processor. When we decoded an illegal opcode, we floated a no-op onto the instruction...
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    日期:2024-07-21
    Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 2A: Instruction Set Reference, A-M NOTE: The Intel® 64 and IA-32 Architectures Software Developer's Manual consists of seven volumes: Basic Architecture, Order Number 253665; Instruction...
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    日期:2024-07-23
    Intel Assembler 80186 and higher CodeTable 1/2 © 1996-2003 by Roger Jegerlehner, Switzerland V 2.3 English. Also available in Spanish TRANSFER Flags Name Comment Code Operation O D I T S Z A P C MOV Move (copy) MOV Dest,Source Dest:=Source...
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    日期:2024-07-26
    Usage IMUL src IMUL src,immed (286+ only) IMUL dest,src,immed8 (286+ only) IMUL dest,src (386+ only) Modifies flags CF OF (AF,PF,SF,ZF undefined) Signed multiplication of accumulator by "src" with result placed in the accumulator. If the source ......