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-rw-r--r--baremetal/400.mu2
1 files changed, 1 insertions, 1 deletions
diff --git a/baremetal/400.mu b/baremetal/400.mu
index 4dfb9951..8db62837 100644
--- a/baremetal/400.mu
+++ b/baremetal/400.mu
@@ -1,6 +1,6 @@
 # screen
 sig pixel-on-real-screen x: int, y: int, color: int
-sig draw-grapheme-on-real-screen g: grapheme, x: int, y: int, color: int
+sig draw-grapheme-on-real-screen g: grapheme, x: int, y: int, color: int, background-color: int
 sig cursor-position-on-real-screen -> _/eax: int, _/ecx: int
 sig set-cursor-position-on-real-screen x: int, y: int