As in ampr_emu, a counter pair starts at an even counter, and the write
commands take a non-null, 8-byte aligned address; others return EINVAL.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
sceAmprCommandBufferWaitOnAddress took (address, reference, mask,
compare) and WaitOnCounter (counter, reference, compare), and both read
the compare value as WAIT_REG_MEM (0 always, 1 <, 2 <=, 3 ==, ...).
ampr_emu, which replaces libSceAmpr for retail titles on the console,
has (address, reference, compare, flush) and (counter, reference,
compare, flush) with the SCE compare values (0 ==, 1 > unsigned,
2 < unsigned, 3 !=), so waits were decoded as other comparisons and
could block forever or pass early.
WriteAddressFromCounterPairOnCompletion takes one counter index, not
two, and WriteKernelEventQueueOnCompletion an int id and no user data.
Counter indices above 127, compare values above 3, flush values above 1
and misaligned wait addresses return EINVAL, as in ampr_emu.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
sceAmprCommandBufferPushMarker, PushMarkerWithColor, PopMarker, SetMarker
and SetMarkerWithColor record a marker command, and the matching
sceAmprMeasureCommandSize functions return its size. The APR executor
skips markers, as it does a nop.
Signatures follow the ampr_emu reimplementation of libSceAmpr.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Chad
DotDebian