mamedev/mame
Dec 2024 – Nov 2025
4 Months active
Languages Used
C++
Technical Skills
EmulationGraphics renderingLow-level programmingHardware ConfigurationDebuggingLow-level Programming
tim lindner
PROFILE
Tim Lindner
Over four months, Tom Lindner contributed to the mamedev/mame repository, focusing on low-level emulation and device driver development in C++. He implemented vertical text scrolling for the GIME device by updating line calculation logic, enhancing text rendering fidelity. Tom addressed bugs in graphics rendering, such as correcting lines-per-row calculations and border color handling for legacy video modes, which improved emulation accuracy. He also stabilized hardware initialization sequencing to prevent startup issues and refined the debugger’s memory dump reporting to eliminate duplicate entries. His work demonstrated depth in debugging, memory management, and graphics programming, resulting in more reliable and accurate emulation.
Overall Statistics
Feature vs Bugs
25%Features
Repository Contributions
4Total
Bugs
3
Commits
4
Features
1
Lines of code
247
Activity Months4
Your Network
106 peopleWork History
November 2025
1 Commits • 1 Features
Nov 1, 2025Month 2025-11 summary focused on delivering a targeted emulation feature and maintaining code quality.
1 Commits • 1 Features
Nov 1, 2025Month 2025-11 summary focused on delivering a targeted emulation feature and maintaining code quality.
November 2025
October 2025
1 Commits
Oct 1, 2025October 2025: Delivered a targeted debugger improvement for MAME, focusing on the memory dump reporting path. Addressed issues with overlapping memory views and duplicate entries in the memdump command, introducing a helper to detect existing handlers and refining iteration logic to ensure accurate, deduplicated memory region reporting. This fix stabilizes memory dumps, reduces debugging noise, and enhances reliability of memory-related tooling across the project.
October 2025
1 Commits
Oct 1, 2025October 2025: Delivered a targeted debugger improvement for MAME, focusing on the memory dump reporting path. Addressed issues with overlapping memory views and duplicate entries in the memdump command, introducing a helper to detect existing handlers and refining iteration logic to ensure accurate, deduplicated memory region reporting. This fix stabilizes memory dumps, reduces debugging noise, and enhances reliability of memory-related tooling across the project.
June 2025
1 Commits
Jun 1, 2025June 2025: Deliveries focused on stabilizing hardware initialization sequencing in the MAME project. Implemented a critical GIME video hardware initialization order fix to improve startup reliability for affected configurations and prevent dependent component initialization issues.
1 Commits
Jun 1, 2025June 2025: Deliveries focused on stabilizing hardware initialization sequencing in the MAME project. Implemented a critical GIME video hardware initialization order fix to improve startup reliability for affected configurations and prevent dependent component initialization issues.
June 2025
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for mamedev/mame: Focused maintenance and fidelity improvement in the emulator's rendering pipeline. Delivered a targeted bug fix for GIME Legacy Video Mode Rendering, addressing incorrect lines-per-row calculations and border color adjustments for legacy graphics/text modes to improve rendering accuracy and user experience.
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for mamedev/mame: Focused maintenance and fidelity improvement in the emulator's rendering pipeline. Delivered a targeted bug fix for GIME Legacy Video Mode Rendering, addressing incorrect lines-per-row calculations and border color adjustments for legacy graphics/text modes to improve rendering accuracy and user experience.
Activity
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Quality Metrics
Correctness82.6%
Maintainability80.0%
Architecture80.0%
Performance70.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++
Technical Skills
DebuggingEmulationGraphics renderingHardware ConfigurationLow-level ProgrammingLow-level programmingMemory Managementdevice driver developmentgraphics programminglow-level programming
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