Multiline Ultimate Assembler (Mod version)

This is a modified version of the original Multiline Ultimate Assembler (by RaMMicHaeL / m417z) plugin for x64dbg and OllyDbg.

It resolves several long-standing usability issues, including Korean IME (Input Method Editor) input bugs and syntax highlighting improvements.

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🚀 Key Improvements & Fixes

1. Complete Korean IME Support (IME Fix)

• Before: Writing Korean letters in the Scintilla assembler editor caused character corruption, combination overlaps, or skipped keystrokes.
• After: Fixed internal Windows IME message processing so that Korean letters combine and display smoothly without any input delays or skips.

2. Modern Code Fonts & Enhanced Syntax Highlighting

• Before: Courier-based tiny default fonts caused straining in high-DPI environments, with a basic single-color syntax styling.
• After: Updated default layouts with clean, resizable fixed-width monospace fonts and customized assembly syntax coloring:
  • JMP family: Distinctive custom style (SCE_ASM_JMP) for branch controls.
  • CALL family: Colored highlight (SCE_ASM_CALL) for subroutines.
  • RET family: Marked boundaries (SCE_ASM_RET) for return execution.
  • NOP family: Dimmed gray color (SCE_ASM_NOP) for clear patch identification.
  • Optimized rendering routines to completely eliminate editor flickering during dynamic custom styling repaints.
  • 💡 Customization Note: You can freely customize all editor syntax colors by editing the multiasm.ini configuration file to suit your preferences.

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📦 Repository Structure

multi/v8/
├── x86/
│   └── Scintilla.dll      <- 32-bit Scintilla DLL (for OllyDbg / x32dbg)
├── x64/
│   └── Scintilla.dll      <- 64-bit Scintilla DLL (for x64dbg x64)
├── minicrt/               <- Minimal CRT Library
├── ollydbglib/            <- OllyDbg import libraries
├── x64dbg_pluginsdk/      <- x64dbg Plugin SDK
├── rsrc_files/            <- Resource icons & assets
├── MUltimate Assembler.sln
└── MUltimate Assembler.vcxproj

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🛠️ How to Build

Open developer command prompt or MSBuild tool to compile the binaries.

1. OllyDbg Plugin (Win32)

msbuild "MUltimate Assembler.vcxproj" /p:Configuration=Release_odbg /p:Platform=Win32 /t:Build

Output: Release/multiasm_odbg.dll

2. x64dbg Plugin (32-bit / 64-bit)

# 32-bit (x32dbg)
msbuild "MUltimate Assembler.vcxproj" /p:Configuration=Release_x64dbg /p:Platform=Win32 /t:Build

# 64-bit (x64dbg)
msbuild "MUltimate Assembler.vcxproj" /p:Configuration=Release_x64dbg /p:Platform=x64 /t:Build

Output: Release/multiasm_x64dbg.dp32 & Release/multiasm_x64dbg.dp64

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🔧 Installation & Deployment

When deploying the plug-in binaries into your debugger's plugins directory, you must copy the correct architecture version of Scintilla.dll to the same folder:

1. For OllyDbg / x32dbg: Copy the compiled plugin alongside x86/Scintilla.dll to your plugins directory.
2. For x64dbg (64-bit): Copy the compiled plugin alongside x64/Scintilla.dll to your plugins directory.