Bytes 81 8D 8E 8F 90 9D 9E of Cp1254 and 81 8A 8D 8E 8F 90 9A 9D 9E of
Cp1258 now answer 0x805C0020 both ways instead of mapping to C1 controls,
and sceCesUtf32ToSbc answers 0x805C0015 for a surrogate, as a sweep on a
PS5 measured and a firmware 13.42 run of the module agrees.
Implement sceCesSbcTo{Ucs2,Utf16,Utf32}* and their inverses, and the
UTF-16 and UTF-32 MBCS string conversions and length queries, on the
existing single-byte, CP932 and CP51932 profiles.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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