Implemented two players on single host, changed io processing to interrupt.

src/game.h

@@ -5,16 +5,23 @@
 #include<stdlib.h>
 #include"player.h"
 
-#define PLAYER_COUNT 2
-#define PLAYER_WIDTH 3
-#define SPEED_SLOW 10
+#define PLAYER_COUNT    2
+#define PLAYER_WIDTH    0   // Don't change 
+#define SPEED_SLOW      10
+#define SPEED_FAST      1
+#define SPEED_DEFAULT   (SPEED_SLOW)
+
+#define BTN_START               0
+#define BTN_PLAYER_1_LEFT       3
+#define BTN_PLAYER_1_RIGHT      2
+#define BTN_PLAYER_2_LEFT       1
+#define BTN_PLAYER_2_RIGHT      0
 
 typedef struct game_s{
     //public section
     
     uint16_t time;          // seconds since game start
     int8_t winner_id;
-    uint8_t host_id;
     uint8_t ticks_per_pixel;
     player_t player[PLAYER_COUNT];
 
@@ -24,7 +31,6 @@ typedef struct game_s{
         ended
     } state;
 
-
     //private section ahead:
     uint8_t ticks_leftover;
 } game_t;