diff --git a/source/fumoengine/fumoengine.c b/source/fumoengine/fumoengine.c
index 7f900cd..72c6e69 100644
--- a/source/fumoengine/fumoengine.c
+++ b/source/fumoengine/fumoengine.c
@@ -2,9 +2,6 @@
 #include "platform.h"
 
 
-VectorT FUMOSYS_VEC_T = VECTOR_T(struct FumoHook);
-
-
 void Panic(char *message)
 {
     printf(message);
@@ -28,7 +25,7 @@ bool CreateFumoInstance(struct FumoInstance *instance)
     if (!CreateEvent(&instance->on_start))
         Panic("Out of memory");
 
-    if (!CreateEvent(FUMOSYS_VEC_T, &instance->on_update))
+    if (!CreateEvent(&instance->on_update))
         Panic("Out of memory");
 
     instance->time = TimeNow();
@@ -36,28 +33,30 @@ bool CreateFumoInstance(struct FumoInstance *instance)
     return true;
 }
 
-bool FumoInstanceRun(struct FumoInstance *instance)
+bool FumoInstanceRun(struct FumoInstance *inst)
 {
-    usize buf_n = TerminalMaxOut(&instance->term);
+    EventInvoke(&inst->on_start, inst);
+
+    usize buf_n = TerminalMaxOut(&inst->term);
     char *buf = malloc(buf_n);
 
     while (true) {
-        if (!InputAquire(&instance->input_hand))
+        if (!InputAquire(&inst->input_hand))
             Panic("Aquire failed");
             
-        ControllerPoll(&instance->ctrl, &instance->input_hand.recs);
+        ControllerPoll(&inst->ctrl, &inst->input_hand.recs);
 
-        if (!InputRelease(&instance->input_hand))
+        if (!InputRelease(&inst->input_hand))
             Panic("Release failed");
 
         nsec now = TimeNow();
-        instance->frametime = now - instance->time;
-        FumoInvoke(instance, &instance->on_update);
-        instance->time = now;
+        inst->frametime = now - inst->time;
+        EventInvoke(&inst->on_update, inst);
+        inst->time = now;
 
-        TerminalPrint(&instance->term, buf, buf_n);
+        TerminalPrint(&inst->term, buf, buf_n);
         puts(buf);
 
-        _sleep(100);
+        //_sleep(100);
     }
 }
\ No newline at end of file
diff --git a/source/fumoengine/fumoengine.h b/source/fumoengine/fumoengine.h
index 7997863..3c18458 100644
--- a/source/fumoengine/fumoengine.h
+++ b/source/fumoengine/fumoengine.h
@@ -24,6 +24,4 @@ void Panic(char *message);
 
 bool CreateFumoInstance(struct FumoInstance *game);
 
-bool FumoInstanceHook(struct Vector *vec, update_func update, void *state);
-
 bool FumoInstanceRun(struct FumoInstance *game);
\ No newline at end of file
diff --git a/source/fumoengine/include/event.c b/source/fumoengine/include/event.c
index fecef60..8814345 100644
--- a/source/fumoengine/include/event.c
+++ b/source/fumoengine/include/event.c
@@ -22,7 +22,7 @@ void FreeEvent(struct Event *event)
     free(event->methods);
 }
 
-bool EventRegister(struct Event *event, callback func, void *instance)
+bool EventAdd(struct Event *event, handler callback, void *instance)
 {
     if (event->len == event->capacity) {
         usize new_size = event->capacity * 2 * sizeof(struct Method);
@@ -36,7 +36,7 @@ bool EventRegister(struct Event *event, callback func, void *instance)
     }
 
     event->methods[event->len++] = (struct Method) {
-        .func = func,
+        .callback = callback,
         .instance = instance
     };
     
@@ -47,6 +47,6 @@ void EventInvoke(struct Event *event, void *state)
 {
     for (usize i = 0; i < event->len; i++) {
         struct Method *method = event->methods + i;
-        method->func(state, method->instance);
+        method->callback(state, method->instance);
     }
 }
\ No newline at end of file
diff --git a/source/fumoengine/include/event.h b/source/fumoengine/include/event.h
index 1efd478..bb25b41 100644
--- a/source/fumoengine/include/event.h
+++ b/source/fumoengine/include/event.h
@@ -5,10 +5,10 @@
 #include "fumocommon.h"
 
 
-typedef void (*callback)(void *state, void *instance);
+typedef void (*handler)(void *state, void *instance);
 
 struct Method {
-    callback func;
+    handler callback;
     void *instance;
 };
 
@@ -19,8 +19,8 @@ struct Event {
 };
 
 
-bool CreateEvent(struct Event *event, void *state);
+bool CreateEvent(struct Event *event);
 
-bool EventRegister(struct Event *event, callback func, void *instance);
+bool EventAdd(struct Event *event, handler callback, void *instance);
 
-void EventInvoke(struct Event *event);
\ No newline at end of file
+void EventInvoke(struct Event *event, void *state);
\ No newline at end of file
diff --git a/source/fumoengine/input/ctrl.c b/source/fumoengine/input/ctrl.c
index b80440a..f75dc3d 100644
--- a/source/fumoengine/input/ctrl.c
+++ b/source/fumoengine/input/ctrl.c
@@ -1,5 +1,4 @@
 #include "ctrl.h"
-
 #include "ringbuffer.h"
 
 #define INIT_SIZE 16
@@ -9,7 +8,7 @@ bool CreateController(struct Controller *ctrl)
 {
     struct ctrl_bkt *code_bkts = calloc(INIT_SIZE, sizeof(struct ctrl_bkt));
     struct ctrl_bkt *bind_bkts = calloc(INIT_SIZE, sizeof(struct ctrl_bkt));
-    struct InputAxis *axes = calloc(INIT_SIZE, sizeof(struct InputAxis));
+    struct ControlAxis *axes = calloc(INIT_SIZE, sizeof(struct ControlAxis));
 
     if (code_bkts == nullptr or bind_bkts == nullptr or axes == nullptr)
         return false;
@@ -43,19 +42,19 @@ void FreeController(struct Controller *ctrl)
     free(ctrl->axis_vec.axes);
 }
 
-struct ctrl_bkt *get_bkt(struct ctrl_dict *dict, size_t i) {
+struct ctrl_bkt *get_bkt(struct ctrl_dict *dict, usize i) {
     return &dict->bkts[i];
 }
 
-size_t wrap_index(size_t i, size_t max) {
+usize wrap_index(usize i, usize max) {
     return i % (SIZE_MAX - max + 1);
 }
 
 struct ctrl_bkt *find_set(struct ctrl_dict *dict, union InputID id)
 {
-    size_t i = id.hash % dict->capacity;
+    usize i = id.hash % dict->capacity;
 
-    size_t last = wrap_index(i - 1, dict->capacity);
+    usize last = wrap_index(i - 1, dict->capacity);
     while (i != last) {
         struct ctrl_bkt *bkt = get_bkt(dict, i);
 
@@ -77,9 +76,9 @@ struct ctrl_bkt *find_set(struct ctrl_dict *dict, union InputID id)
 
 struct ctrl_bkt *find(struct ctrl_dict *dict, union InputID id)
 {
-    size_t i = id.hash % dict->capacity;
+    usize i = id.hash % dict->capacity;
 
-    size_t last = wrap_index(i - 1, dict->capacity);
+    usize last = wrap_index(i - 1, dict->capacity);
     while (i != last) {
         struct ctrl_bkt *bkt = get_bkt(dict, i);
 
@@ -92,7 +91,7 @@ struct ctrl_bkt *find(struct ctrl_dict *dict, union InputID id)
     return nullptr;
 }
 
-struct InputAxis *find_axis(struct ctrl_dict *dict, union InputID id)
+struct ControlAxis *find_axis(struct ctrl_dict *dict, union InputID id)
 {
     struct ctrl_bkt *bkt = find(dict, id);
     if (bkt == nullptr)
@@ -105,10 +104,10 @@ union InputID as_id(u16f value, u16f type) {
     return (union InputID) { .value = value, .type = type };
 }
 
-bool ControllerMap(struct Controller *ctrl, u16f code, u16f bind, u16f type)
+bool ControllerMap(struct Controller *ctrl, struct ControlMapping *mapping)
 {
-    struct ctrl_bkt *code_bkt = find_set(&ctrl->codes, as_id(code, type));
-    struct ctrl_bkt *bind_bkt = find_set(&ctrl->binds, as_id(bind, type));
+    struct ctrl_bkt *code_bkt = find_set(&ctrl->codes, as_id(mapping->code, mapping->type));
+    struct ctrl_bkt *bind_bkt = find_set(&ctrl->binds, as_id(mapping->bind, mapping->type));
     
     if (code_bkt->axis == nullptr)
         code_bkt->axis = &ctrl->axis_vec.axes[ctrl->axis_vec.len++];
@@ -116,25 +115,28 @@ bool ControllerMap(struct Controller *ctrl, u16f code, u16f bind, u16f type)
         return false;
     
     bind_bkt->axis = code_bkt->axis;
-    code_bkt->axis->id.type = type;
+    code_bkt->axis->id.type = mapping->type;
+
+    mapping->axis = code_bkt->axis;
     return true;
 }
 
 bool ControllerMapMulti(
     struct Controller *ctrl,
-    usize n_maps,
-    struct ControlMapping *maps
+    usize n,
+    struct ControlMapping *mappings
 ) {
-    for (usize i = 0; i < n_maps; i++) {
-        struct ControlMapping *map = maps + i;
-        if (!ControllerMap(ctrl, map->code, map->bind, map->type))
+    for (usize i = 0; i < n; i++) {
+        struct ControlMapping *mapping = mappings + i;
+
+        if (!ControllerMap(ctrl, mapping))
             return false;
     }
 
     return true;
 }
 
-struct InputAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type)
+struct ControlAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type)
 {
     struct ctrl_bkt *code_bkt = find(&ctrl->codes, as_id(code, type));
     if (code_bkt == nullptr)
@@ -143,7 +145,7 @@ struct InputAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type)
     return code_bkt->axis;
 }
 
-void dispatch_update(struct InputAxis *axis, struct InputRecord *rec)
+void dispatch_update(struct ControlAxis *axis, struct InputRecord *rec)
 {
     if (rec->is_down and !axis->is_held) {
         axis->is_down = true;
@@ -160,8 +162,8 @@ void dispatch_update(struct InputAxis *axis, struct InputRecord *rec)
 
 void ControllerPoll(struct Controller *ctrl, struct RecordBuffer *recs)
 {
-    for (size_t i = 0; i < ctrl->pending_buf.len; i++) {
-        struct InputAxis *axis = ctrl->pending_buf.axes[i];
+    for (usize i = 0; i < ctrl->pending_buf.len; i++) {
+        struct ControlAxis *axis = ctrl->pending_buf.axes[i];
 
         axis->is_up = false;
         axis->is_down = false;
@@ -169,10 +171,10 @@ void ControllerPoll(struct Controller *ctrl, struct RecordBuffer *recs)
     
     ctrl->pending_buf.len = 0;
     
-    for (size_t i = 0; i < recs->head.len; i++) {
+    for (usize i = 0; i < recs->head.len; i++) {
         struct InputRecord *rec = &recs->buf[i];
 
-        struct InputAxis *axis = find_axis(&ctrl->binds, rec->id);
+        struct ControlAxis *axis = find_axis(&ctrl->binds, rec->id);
         if (axis == nullptr)
             continue;
 
diff --git a/source/fumoengine/input/ctrl.h b/source/fumoengine/input/ctrl.h
index 1399c7b..e8f6344 100644
--- a/source/fumoengine/input/ctrl.h
+++ b/source/fumoengine/input/ctrl.h
@@ -9,7 +9,7 @@
 #include "input.h"
 
 
-struct InputAxis {
+struct ControlAxis {
     nsec last_pressed;
     nsec last_released;
 
@@ -30,7 +30,7 @@ struct InputAxis {
 };
 
 struct ctrl_bkt {
-    struct InputAxis *axis;
+    struct ControlAxis *axis;
     union InputID id;
 };
 
@@ -41,14 +41,14 @@ struct ctrl_dict {
 };
 
 struct ctrl_axis_vec {
-    struct InputAxis *axes;
+    struct ControlAxis *axes;
     u16f size;
     u16f len;
 };
 
 struct Controller {
     struct {
-        struct InputAxis *axes[IO_BUF_SIZE];
+        struct ControlAxis *axes[IO_BUF_SIZE];
         u8f len;
     } pending_buf;
 
@@ -61,21 +61,23 @@ struct ControlMapping {
     u16 code;
     u16 bind;
     u16 type;
+    struct ControlAxis *axis;
 };
 
 
 bool CreateController(struct Controller *ctrl);
+
 void FreeController(struct Controller *ctrl);
 
-bool ControllerMap(struct Controller *ctrl, u16f code, u16f bind, u16f type);
+bool ControllerMap(struct Controller *ctrl, struct ControlMapping *mapping);
 
 bool ControllerMapMulti(
     struct Controller *ctrl,
-    usize n_maps,
-    struct ControlMapping *maps
+    usize n,
+    struct ControlMapping *mappings
 );
 
-struct InputAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type);
+struct ControlAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type);
 
 void ControllerPoll(struct Controller *ctrl, struct RecordBuffer *recs);
 
diff --git a/source/fumotris/fumotris.c b/source/fumotris/fumotris.c
index 89c1898..b7b3c6e 100644
--- a/source/fumotris/fumotris.c
+++ b/source/fumotris/fumotris.c
@@ -1,35 +1,48 @@
 #include "fumotris.h"
 
 
-void Update(struct FumoInstance *instance, void *args)
-{
-    struct Fumotris *game = args;
+struct Fumotris {
+    struct TetrMap board;
+    struct TetrMap piece;
+};
 
-    TetrMapDraw(&game->board, &instance->term);
+
+void FumotrisStart(void *engine, void *app)
+{
+    struct FumoInstance *inst = engine;
+    struct Fumotris *game = app;
+
+    ControllerMapMulti(&inst->ctrl, CODE_COUNT, mappings_global);
+
+    CreateTetrMap(&game->board, 10, 10);
+    CreateTetrMap(&game->piece, 3, 3);
+    game->piece.blks = T;
 }
 
-bool CreateFumotris(struct Fumotris *game)
+void FumotrisUpdate(void *engine, void *app)
 {
-    if (!CreateTetrMap(&game->board, 10, 10))
-        return false;
+    struct FumoInstance *inst = engine;
+    struct Fumotris *game = app;
 
-    return true;
+    if (mappings_global[LEFT].axis->is_down)
+        game->piece.x -= 1;
+    if (mappings_global[RIGHT].axis->is_down)
+        game->piece.x += 1;
+
+    TetrMapDraw(&game->board, &inst->term);
+    TetrMapDraw(&game->piece, &inst->term);
 }
 
 int main()
 {
-    struct FumoInstance instance;
-    CreateFumoInstance(&instance);
+    struct FumoInstance inst;
+    CreateFumoInstance(&inst);
     
     struct Fumotris game;
-    CreateFumotris(&game);
+    EventAdd(&inst.on_start, FumotrisStart, &game);
+    EventAdd(&inst.on_update, FumotrisUpdate, &game);
 
-    ControllerMapMulti(&instance.ctrl, CODE_COUNT, MAPPINGS);
-
-    FumoInstanceHook(&instance.on_update, Update, &game);
-
-
-    FumoInstanceRun(&instance);
+    FumoInstanceRun(&inst);
 
     return 0;
 }
\ No newline at end of file
diff --git a/source/fumotris/fumotris.h b/source/fumotris/fumotris.h
index efedc28..bbdd4bc 100644
--- a/source/fumotris/fumotris.h
+++ b/source/fumotris/fumotris.h
@@ -20,7 +20,7 @@ enum ControlCode {
     MOUSE
 };
 
-struct ControlMapping MAPPINGS[12] = {
+struct ControlMapping mappings_global[12] = {
     { LEFT, 0x25, BUTTON },
     { RIGHT, 0x27, BUTTON },
     { SOFT_DROP, 0x28, BUTTON },
@@ -36,10 +36,6 @@ struct ControlMapping MAPPINGS[12] = {
 };
 
 
-struct Fumotris {
-    struct TetrMap board;
-    struct TetrMap piece;
-};
 
 const u8 I[16] = {
     0, 0, 0, 0,
diff --git a/test.exe b/test.exe
index 32de7d9..f44ad46 100644
Binary files a/test.exe and b/test.exe differ