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CUB3D

PROFILE

Cub3d

Callum Thom contributed to ruffle-rs/ruffle and NationalSecurityAgency/ghidra by delivering targeted improvements in low-level programming and reverse engineering. He refactored AVM1 base clip handling in Rust, introducing string-based references to enhance function execution robustness and maintainability, particularly for closures and scope management. In July, he further improved error handling and logic clarity for AVM1 function execution, reducing panics and simplifying code paths. For ghidra, Callum added MIPS16e2 instruction support and improved decoding accuracy, refactoring processor definitions for clarity and fixing a bug in MIPS16 'li' instruction matching. His work deepened reliability in emulation and disassembler development.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

8Total
Bugs
1
Commits
8
Features
3
Lines of code
423
Activity Months3

Work History

August 2025

5 Commits • 1 Features

Aug 1, 2025

Concise monthly summary for 2025-08 focusing on ghidra (NationalSecurityAgency/ghidra): Delivered targeted MIPS16 improvements to enhance disassembly reliability and maintainability. The work reinforced business value by improving accuracy in reverse-engineering workflows for MIPS16 binaries and reducing debugging time for users. Overall impact: Strengthened core disassembly path for MIPS16, enabling more accurate binary analysis and safer tool usage in security investigations and software auditing.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 — ruffle-rs/ruffle: Stabilized AVM1 execution by delivering Base Clip Handling Improvements. Implemented clearer error messaging for missing base clip and simplified the logic to determine the correct base clip, ensuring the proper display object is used as the base clip, especially in closure scenarios. These changes reduce panics, improve rendering accuracy, and set the stage for easier future maintenance.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for ruffle-rs/ruffle highlighting key feature delivery and impact. Focus on AVM1 refactor of base_clip to MovieClipReference to improve robustness, scope handling for closures, and maintainability. No major bugs fixed this month; all changes targeted reliability and future feature readiness. The work supports stability of runtime AVM1 execution and better long-term maintainability.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture85.0%
Performance87.6%
AI Usage22.6%

Skills & Technologies

Programming Languages

AssemblyRustSINCSinc

Technical Skills

AVM1ActionScriptAssembly LanguageAssembly languageBitwise operationsDisassembler DevelopmentEmbedded SystemsEmulationError HandlingLow-level programmingProcessor ArchitectureReverse EngineeringReverse engineeringRustSoftware Engineering

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

NationalSecurityAgency/ghidra

Aug 2025 Aug 2025
1 Month active

Languages Used

AssemblySINCSinc

Technical Skills

Assembly LanguageAssembly languageBitwise operationsDisassembler DevelopmentEmbedded SystemsLow-level programming

ruffle-rs/ruffle

Jun 2025 Jul 2025
2 Months active

Languages Used

Rust

Technical Skills

AVM1ActionScriptRustSoftware EngineeringEmulationError Handling

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