diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..ea66573
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,11 @@
+#! /bin/bash
+BUILD_DIR="build"
+if [ ! -d $BUILD_DIR ]; then
+    mkdir -p $BUILD_DIR
+fi
+
+cd $BUILD_DIR
+
+cmake ../
+
+make -j
diff --git a/state_machine.c b/state_machine.c
index 4a260f2..6fc2ce2 100644
--- a/state_machine.c
+++ b/state_machine.c
@@ -236,13 +236,13 @@ static states_t s_states[MAX_ATTRACT_STATES] = {
 
 typedef struct {
     bool active;
-    timer_t* timer;
+    timer* timer;
     uint8_t state_index;
 } attract_state_t;
 
 static attract_state_t s_attract_state;
 
-static bool attract_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool attract_timer_callback(timer* timer, uint32_t ticks) {
     if (!s_attract_state.active)
         return true;
 
@@ -297,12 +297,12 @@ static bool kong_climb_anim_callback(actor_t* actor) {
 typedef struct {
     uint16_t tile;
     uint8_t palette;
-    timer_t* timer;
+    timer* timer;
 } boot_state_t;
 
 static boot_state_t s_boot_state;
 
-static bool boot_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool boot_timer_callback(timer* timer, uint32_t ticks) {
     if (s_boot_state.palette < 64) {
         s_boot_state.palette += 2;
         return true;
@@ -454,11 +454,11 @@ static bool insert_coin_leave(state_context_t* context) {
 // Title State
 //
 // ----------------------------------------------------------------------------
-static timer_t* s_title_timer = NULL;
+static timer* s_title_timer = NULL;
 
 static uint8_t s_title_palette = 0;
 
-static bool title_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool title_timer_callback(timer* timer, uint32_t ticks) {
     if (s_title_palette < PALETTE_MAX - 1)
         s_title_palette++;
     else
@@ -726,7 +726,7 @@ typedef struct {
     uint8_t row;
 } level_elevation_t;
 
-static timer_t* s_how_high_duration = NULL;
+static timer* s_how_high_duration = NULL;
 
 static level_elevation_t s_level_elevations[] = {
     {1, 1, 25}, // level 1, stage 1
@@ -763,7 +763,7 @@ static const level_elevation_t* elevation(const player_t* player) {
     return NULL;
 }
 
-static bool how_high_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool how_high_timer_callback(timer* timer, uint32_t ticks) {
     s_how_high_duration = NULL;
 
     state_context_t* context = (state_context_t*) timer->user;
@@ -840,12 +840,12 @@ typedef enum {
     intro_kong_wait
 } kong_intro_state_t;
 
-static timer_t* s_climb_timer = NULL;
+static timer* s_climb_timer = NULL;
 static uint8_t s_kong_jump_count = 5;
 static int8_t s_kong_jump_delta = -3;
 static kong_intro_state_t s_kong_intro_state;
 
-static bool kong_climb_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool kong_climb_timer_callback(timer* timer, uint32_t ticks) {
     actor_t* donkey_kong = actor(actor_donkey_kong);
 
     switch (s_kong_intro_state) {
@@ -994,7 +994,7 @@ typedef struct tile_editor_state {
     bool cursor_visible;
     grid_value_t palette;
     uint16_t cursor_frames;
-    timer_t* message_timer;
+    timer* message_timer;
     tile_editor_action_t action;
     bg_control_block_t* copy_buffer;
 } tile_editor_state_t;
@@ -1062,7 +1062,7 @@ static copy_range_t s_copy_range;
 static grid_value_t s_palette_undo;
 static tile_editor_state_t s_tile_editor;
 
-static bool message_timer_callback(timer_t* timer, uint32_t ticks) {
+static bool message_timer_callback(timer* timer, uint32_t ticks) {
     s_tile_editor.message_timer = NULL;
     return false;
 }
@@ -1851,4 +1851,4 @@ void state_push(state_context_t* context, states_t state) {
     s_stack_index--;
     s_state_stack[s_stack_index] = state_ptr;
     s_state_stack[s_stack_index]->enter(context);
-}
\ No newline at end of file
+}
diff --git a/timer.c b/timer.c
index 75b9051..c14e2e0 100644
--- a/timer.c
+++ b/timer.c
@@ -14,11 +14,11 @@
 #include "timer.h"
 #include "log.h"
 
-static timer_t s_timers[128];
+static timer s_timers[128];
 
 static uint32_t s_current_timer;
 
-static timer_t* find_free_timer() {
+static timer* find_free_timer() {
     for (uint8_t i = 0; i < s_current_timer; i++) {
         if (!s_timers[i].active)
             return &s_timers[i];
@@ -39,12 +39,12 @@ void timer_init() {
     }
 }
 
-timer_t* timer_start(
+timer* timer_start(
         uint32_t ticks,
         uint32_t duration,
         timer_callback_t callback,
         void* user) {
-    timer_t* timer = find_free_timer();
+    timer* timer = find_free_timer();
     if (timer == NULL)
         return NULL;
 
@@ -57,7 +57,7 @@ timer_t* timer_start(
     return timer;
 }
 
-void timer_stop(timer_t* timer) {
+void timer_stop(timer* timer) {
     if (timer == NULL)
         return;
     timer->active = false;
@@ -65,7 +65,7 @@ void timer_stop(timer_t* timer) {
 
 void timer_update(uint32_t ticks) {
     for (uint8_t i = 0; i < s_current_timer; i++) {
-        timer_t* timer = &s_timers[i];
+        timer* timer = &s_timers[i];
 
         if (!timer->active)
             continue;
diff --git a/timer.h b/timer.h
index 7ccfbb7..4c614e0 100644
--- a/timer.h
+++ b/timer.h
@@ -19,8 +19,8 @@
 #define MAX_TIMERS (128)
 #define SECONDS(s) ((1000 * s))
 
-typedef struct timer timer_t;
-typedef bool (*timer_callback_t)(timer_t*, uint32_t);
+typedef struct timer timer;
+typedef bool (*timer_callback_t)(timer*, uint32_t);
 
 typedef struct timer {
     uint8_t id;
@@ -29,16 +29,16 @@ typedef struct timer {
     uint32_t duration;
     uint32_t expiry_ticks;
     timer_callback_t callback;
-} timer_t;
+} timer;
 
 void timer_init();
 
-timer_t* timer_start(
+timer* timer_start(
     uint32_t ticks,
     uint32_t duration,
     timer_callback_t callback,
     void* user);
 
-void timer_stop(timer_t* timer);
+void timer_stop(timer* timer);
 
 void timer_update(uint32_t ticks);