Add game reset

src/game_logic.c

@@ -19,6 +19,16 @@ void swap_grids(void) {
 	back_grid = temp;
 }
 
+void reset_game(void) {
+	// Clear the back and front grid
+	memset(back_grid, 0, GRID_SIDE * GRID_SIDE);
+	memset(front_grid, 0, GRID_SIDE * GRID_SIDE);
+	
+	// Then add two random tiles
+	add_random_tile();
+	add_random_tile();
+}
+
 uint8_t *get_front_grid(void) {
 	return front_grid;
 }

src/game_logic.h

@@ -12,6 +12,7 @@ typedef enum {
 	RIGHT
 } step_direction;
 
+void reset_game(void);
 uint8_t *get_front_grid(void);
 uint8_t *step_game(step_direction dir);
 uint8_t add_random_tile(void);

src/main.c

@@ -7,6 +7,7 @@
 #include "mem_registers.h"
 #include "mem_map.h"
 #include "input.h"
+#include "game_logic.h"
 
 void __low_level_init(void);
 
@@ -26,6 +27,8 @@ void __low_level_init(void) {
 __task int main(void) {
 	key k;
 	
+	reset_game();
+	
 	while(1){
 		lfsr_update();
 		k = read_kb();