Here's the latest build ofA JPCSP, the ever improving Java-based PlayStation Portable emulator for PC.
Reversed, tested and confirmed the meaning of flag 0x8000 for VplManager and sceHeap and flag 0x200 for VplManager:
Based on PSP tests, flag 0x8000 causes the memory area in question (heap or VPL) to attempt an auto extend when the user attempts to allocate memory outside it's boundaries;
The recently discovered VPL flag 0x200 allows threads yielding small blocks of memory to bypass the waiting queue. Tests with varying sizes revealed no special criteria in which thread gets chosen, but there might be a size threshold, since some threads holding memory blocks just a few KB smaller (around 5KB) than the thread in the waiting queue were immediately ignored.
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