start game

shapes.h

@@ -1,11 +1,28 @@
 #ifndef _SHAPES_H_
 #define _SHAPES_H_
 
+#include <stdint.h>
+
+void stoneCreate();
+uint8_t stoneDraw();
+uint8_t stoneMoveDown();
+uint8_t stoneMoveLeft();
+uint8_t stoneMoveRight();
+uint8_t stoneRotateLeft();
+uint8_t stoneRotateRight();
 
 
-void shapesInit();
-void shapesExec(void *handle);
+typedef enum { e_I=0, e_O, e_T, e_Z, e_S, e_L, e_J, e_ShapeEnd } shape_t;
+typedef enum { e_0, e_90, e_180, e_270 } orientation_t;
+
+typedef struct {
+  shape_t shape;
+  orientation_t orientation;
+  uint8_t x; // column
+  uint8_t y; // row
+} stone_t;
 
 
+extern stone_t stone;
 
 #endif // _SHAPES_H_