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Trace: • Principles of Instructions Encoding • Specific Elements of the x86 and x64 Architectures • Components of Processor: Registers, ALU, Bus Control, Instruction Decoder

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en:multiasm:papc:chapter_6_13 [2025/11/17 10:54] – [Predefined macro functions] ktokarzen:multiasm:papc:chapter_6_13 [2026/02/20 10:15] (current) – [Macro functions] ktokarz
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 ====== Macros ====== ====== Macros ======
-Macros are elements of language that enable the replacement of one text with another. In assembler language, macros can be implemented differently in different assemblers understood as programming software. In this chapter, we'll present the MASM implementation. Although in other assemblers (NASM, NASM) the syntax can differ, the idea remains the same. There are a few types of macros in MASM:+Macros are elements of language that enable the replacement of one, usually shorter text, with another. In different assemblers (NASM, FASM), macros can be implemented differently.  The syntax can differ, but the idea remains the same. In this chapter, we'll present the MASM implementation. There are a few types of macros in MASM:
   * Text macros,   * Text macros,
   * Macro procedures,   * Macro procedures,
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 ===== Macro functions ===== ===== Macro functions =====
  
-A macro function is a macro which returns a value. As all macros are tex processing feature macro functions always return text. Returning the value is possible with the use of the **EXITM** directive. Argument of the **EXITM** must be text or the result of another macro function. Numeric values must be converted to text form with the expansion operator %.+A macro function is a macro which returns a value. As all macros are texts, macro functions always return text. Returning the value is possible with the use of the **EXITM** directive. Argument of the **EXITM** must be text or the result of another macro function. Numeric values must be converted to text form with the expansion operator %.
  
 ===== Predefined macro functions ===== ===== Predefined macro functions =====
en/multiasm/papc/chapter_6_13.1763369672.txt.gz · Last modified: by ktokarz
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