Corrected PTN move parsing

1 files changed, 6 insertions, 0 deletions

diff --git a/include/tak.h b/include/tak.h
index c703943..d161640 100644
--- a/include/tak.h
+++ b/include/tak.h
@@ -16,6 +16,12 @@ enum MOVE_DIRECTION { M_UP, M_DOWN, M_LEFT, M_RIGHT };
 typedef uint8_t data_t;
 typedef uint16_t colour_stack_t;
 
+#define NUM_SHIFT  4
+#define STONE_MASK 0b00000011
+#define STONE_AT(l) (celldat[(l)] & STONE_MASK)
+#define COUNT_AT(l) (celldat[(l)] >> NUM_SHIFT)
+#define THE_COORDS(x,y) ((x)+(y)*board_size)
+
 uint8_t board_size;
 data_t celldat[36];
 colour_stack_t colours[36];