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-rw-r--r--include/tak.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/tak.h b/include/tak.h
index 1d49720..135e4eb 100644
--- a/include/tak.h
+++ b/include/tak.h
@@ -22,7 +22,7 @@ typedef uint16_t colour_stack_t;
#define NUM_SHIFT 4
#define NUM_MASK (0xF<<NUM_SHIFT) // 0b11110000
#define NUM_INC (0x1<<NUM_SHIFT) // 0b00010000
-#define STONE_MASK 0b00000011
+#define STONE_MASK 3 // 0b00000011
#define STONE_AT(l) (celldat[(l)] & STONE_MASK)
#define COUNT_AT(l) (celldat[(l)] >> NUM_SHIFT)
#define THE_COORDS(col,row) ((col)+(row)*board_size)