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-rw-r--r--ice40/gfx.cc11
1 files changed, 11 insertions, 0 deletions
diff --git a/ice40/gfx.cc b/ice40/gfx.cc
index 1b01cbd8..0a583e8e 100644
--- a/ice40/gfx.cc
+++ b/ice40/gfx.cc
@@ -701,6 +701,17 @@ void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src,
if (getWireXY_local(src, x1, y1) && getWireXY_local(dst, x2, y2))
pipGfx(g, x, y, x1, y1, x2, y2, local_swbox_x1, local_swbox_y1, local_swbox_x2, local_swbox_y2, style);
+
+ if (src == TILE_WIRE_CARRY_IN && dst == TILE_WIRE_CARRY_IN_MUX) {
+ GraphicElement el;
+ el.type = GraphicElement::G_ARROW;
+ el.style = style;
+ el.x1 = x + logic_cell_x1 + 0.005 * 3;
+ el.x2 = el.x1;
+ el.y1 = y + 0.01;
+ el.y2 = y + 0.02;
+ g.push_back(el);
+ }
}
NEXTPNR_NAMESPACE_END