2.1 Functional Requirements

• On-screen debug output - Implemented in debug_system.c
• Serial debug output (via dcload) - Implemented in debug_system.c
• Performance profiling - Implemented in debug_system.c
• Memory usage tracking - Implemented in debug_system.c
• Error reporting - Implemented in debug_system.c
• Assertion system - Implemented in debug_system.c
• Debug menu system - Implemented in debug_menu.c
• Screenshot capture - Stub implementation (needs PVR2 integration)