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SourMesen / Mesen

Mesen is a cross-platform (Windows & Linux) NES/Famicom emulator built in C++ and C#
https://www.mesen.ca
GNU General Public License v3.0
1.26k stars 319 forks source link

Bug when rendering overlapping HD sprites with different background priority #609

Open mkwong98 opened 5 years ago

mkwong98 commented 5 years ago

When sprites overlap and they have different background priority, Mesen will render that area by rendering sprites with background priority first, then render the background tile and finally render sprites with higher render priority. However these priority checks use the original ROM pixel instead of the HD replacement. See https://www.romhacking.net/forum/index.php?topic=26811.msg371646#msg371646

SourMesen commented 5 years ago

Thanks - I haven't forgotten! But my time has entirely been consumed by the SNES emulator (https://www.github.com/SourMesen/Mesen-S/), so I haven't had the chance to look at this yet.