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author | 2019-07-26 16:50:39 +0200 | |
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committer | 2019-07-26 16:50:39 +0200 | |
commit | 19fc7eff99665a94f94b86962ea1353225465cf8 (patch) | |
tree | f263ec54c8b8a434e40d50ff7e0efed366b54f7b /src/emu/tilemap.cpp | |
parent | 90e89c08515f2bcdb34432f7b32f03faf77605ad (diff) |
tilemap: update note (nw)
Diffstat (limited to 'src/emu/tilemap.cpp')
-rw-r--r-- | src/emu/tilemap.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/emu/tilemap.cpp b/src/emu/tilemap.cpp index 903ab980bcf..d2fa0de6c79 100644 --- a/src/emu/tilemap.cpp +++ b/src/emu/tilemap.cpp @@ -953,8 +953,9 @@ g_profiler.start(PROFILER_TILEMAP_DRAW); // flip the tilemap around the center of the visible area rectangle visarea = screen.visible_area(); - // These are not the width and height, rather 2 * left + width + 1, - // and 2 * top + height + 1, and these are inputs to the + // TODO: is this correct or are drivers relying on a bug here? + // These are not the width and height, rather 2 * left + width, + // and 2 * top + height, and these are inputs to the // effective_*scroll functions used in the case of a flip. u32 width = visarea.right() + visarea.left() + 1; u32 height = visarea.bottom() + visarea.top() + 1; |