MASM

Microsoft Macro Assembler (MASM)

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    Hello World in MASM

    [Gemini] Microsoft Macro Assembler (MASM) is the standard for writing assembly code on Windows. Modern MASM usually targets x64 (64-bit), which uses a specific calling convention and 64-bit registers. Below is a classic “Hello World” example written for MASM x64, utilizing the Windows API (MessageBoxA). 1. MASM x64 “Hello World” Example 2. Key Components Explained…