New changes since 0.90B4
Added ME-based audio engine (me_audio.c / me_audio.h)
Added MP3 menu player system (menu_mp3.c / menu_mp3.h)
Added MP3 conversion script (convert_mp3.sh)
Added custom memory allocation header (uae_malloc.h)
Added change log file (WHATS_CHANGED.txt)
Removed
Removed psp_safe.c (legacy safety / wrapper layer)
Core changes that have happened
Audio System
Replaced entire PSP audio driver with ring buffer streaming system
Converted audio to ME-driven timing model
Added audio tick / timeline counter (global sync source)
Redirected UAE audio output into new mixer pipeline
Updated sound interface layer to match new backend
CPU / Timing
Added audio-driven CPU cycle budgeting
Introduced cycles-per-sample timing model
Synced CPU execution pacing to audio clock
PSP Integration
Integrated ME audio system into main PSP loop (psp.c)
Added MP3 playback control hooks (pause/resume/init)
Linked menu system with MP3 playback
Build / Compile
Updated Makefile with new compile flags and modules
Included new audio + MP3 components in build
Graphics / Misc stuff
Cleaned and optimized gfxutil color handling (To fix AGA)
Minor fixes and corrections in custom.c (bitplane / fetch logic to AGA)
Improve Auto FrameSkip, add buffering.
Implement, Prerendering 1 frame ahead.
Config Changes
Disabled cycle switch system via sysconfig (Not needed any more, will be replaced with software accelerator)
Adjusted interrupt/audio related config behavior
Changes summed up
Shift from CPU-driven timing → Audio-driven timing
Shift from blocking audio → asynchronous ring buffer audio
Introduction of Media Engine (ME) as core audio processor
Separation of:
Paula audio generation
Output mixing / streaming
Addition of independent MP3 playback path for UI
Author
Topic: PSPUAE update (Changes so far) (Read 227 times)