From 3ce2ba715e56340ceba1ea2f2e0a91ade74c2f2b Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Wed, 23 Oct 2019 22:42:55 -0400
Subject: matrix is unsigned

---
 lib/cetris.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cetris.h b/lib/cetris.h
index 97e3f47..2382173 100644
--- a/lib/cetris.h
+++ b/lib/cetris.h
@@ -32,7 +32,7 @@ typedef struct {
   int8_t y;
 } vec2;
 
-typedef int8_t piece_matrix[4];
+typedef uint8_t piece_matrix[4];
 
 enum {
   MINO_O,
-- 
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