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-rw-r--r--shared-module/displayio/TileGrid.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/shared-module/displayio/TileGrid.c b/shared-module/displayio/TileGrid.c
index 6144f8f99..f34d2fc52 100644
--- a/shared-module/displayio/TileGrid.c
+++ b/shared-module/displayio/TileGrid.c
@@ -207,7 +207,7 @@ uint8_t common_hal_displayio_tilegrid_get_tile(displayio_tilegrid_t *self, uint1
void common_hal_displayio_tilegrid_set_tile(displayio_tilegrid_t *self, uint16_t x, uint16_t y, uint8_t tile_index) {
if (tile_index >= self->tiles_in_bitmap) {
- mp_raise_ValueError(translate("Tile value out of bounds"));
+ mp_raise_ValueError(translate("Tile index out of bounds"));
}
uint8_t* tiles = self->tiles;
if (self->inline_tiles) {
@@ -443,6 +443,7 @@ bool displayio_tilegrid_fill_area(displayio_tilegrid_t *self, const _displayio_c
}
uint8_t shift = (offset % pixels_per_byte) * colorspace->depth;
if (colorspace->reverse_pixels_in_byte) {
+ // Reverse the shift by subtracting it from the leftmost shift.
shift = (pixels_per_byte - 1) * colorspace->depth - shift;
}
((uint8_t*)buffer)[offset / pixels_per_byte] |= pixel << shift;