mamedev/mame
Jan 2025 – Feb 2026
3 Months active
Languages Used
C++
Technical Skills
Audio EmulationDigital Signal ProcessingEmbedded SystemsReverse EngineeringC++ programmingembedded systems
Giulio Zausa
PROFILE
Giulio Zausa
Giulio Zausa contributed to the mamedev/mame repository by developing and refining audio and CPU emulation features using C++ and low-level programming techniques. He implemented a Roland SA sound chip emulator, enabling accurate multi-voice sound generation based on reverse-engineered silicon images and digital signal processing. Giulio also enhanced hardware interfacing by updating DUART clock configurations for VFX/SD1 devices, improving sound timing and fidelity. Additionally, he addressed critical ES5510 CPU opcode handling bugs, ensuring correct operand usage and flag updates for higher emulation accuracy. His work demonstrated depth in debugging, embedded systems, and reverse engineering, resulting in more reliable emulator performance.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
3Total
Bugs
1
Commits
3
Features
2
Lines of code
557
Activity Months3
Your Network
106 peopleWork History
February 2026
1 Commits
Feb 1, 2026February 2026 monthly summary for mamedev/mame: Implemented critical ES5510 CPU emulator opcode fixes to improve accuracy and reliability. Addressed ABS, CMP, and bit manipulation opcodes with correct operands, flag updates, and readback semantics; integrated changes aligned with #14979. These changes were validated against relevant tests and contribute to higher fidelity emulation for ES5510-based games.
1 Commits
Feb 1, 2026February 2026 monthly summary for mamedev/mame: Implemented critical ES5510 CPU emulator opcode fixes to improve accuracy and reliability. Addressed ABS, CMP, and bit manipulation opcodes with correct operands, flag updates, and readback semantics; integrated changes aligned with #14979. These changes were validated against relevant tests and contribute to higher fidelity emulation for ES5510-based games.
February 2026
November 2025
1 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11 focusing on key accomplishments in mamedev/mame. Delivered enhanced DUART clock configuration for VFX/SD1 devices, including updating the DUART clock frequency and adjusting the machine configuration to improve sound timing accuracy and overall performance. Commit referenced: 671d19c1b4cfc5907abf84108c169297ee753904 (Fix VFX and SD1 duart clock, #14589).
November 2025
1 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11 focusing on key accomplishments in mamedev/mame. Delivered enhanced DUART clock configuration for VFX/SD1 devices, including updating the DUART clock frequency and adjusting the machine configuration to improve sound timing accuracy and overall performance. Commit referenced: 671d19c1b4cfc5907abf84108c169297ee753904 (Fix VFX and SD1 duart clock, #14589).
January 2025
1 Commits • 1 Features
Jan 1, 2025Concise monthly summary for 2025-01 focused on delivering a high-value feature in mamedev/mame.
1 Commits • 1 Features
Jan 1, 2025Concise monthly summary for 2025-01 focused on delivering a high-value feature in mamedev/mame.
January 2025
Activity
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Quality Metrics
Correctness83.4%
Maintainability80.0%
Architecture80.0%
Performance73.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++
Technical Skills
Audio EmulationC++ programmingCPU EmulationDebuggingDigital Signal ProcessingEmbedded SystemsLow-level ProgrammingReverse Engineeringembedded systemshardware interfacing
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