diff --git a/src/FxEngine/zbuffer.c b/src/FxEngine/zbuffer.c
index 7c0e29b..50fd6bc 100644
--- a/src/FxEngine/zbuffer.c
+++ b/src/FxEngine/zbuffer.c
@@ -8,6 +8,10 @@
 #include <gint/keyboard.h>
 #include <gint/dma.h>
 #include <gint/hardware.h>
+
+
+
+
 /** size_uint32
  * taille du zbuffer exprimée en uint32_t
  * utile pour l'effacement du zbuffer sur sh3
@@ -16,10 +20,16 @@ static const uint32_t size_uint32 = FE_ZB_SIZE_X*FE_ZB_SIZE_Y;
 
 /** size_char
  * taille du zbuffer exprimée en octets
- * sera utile pour le DMA Controller
+ * utile pour malloc
 **/
 static const uint32_t size_char = size_uint32*sizeof(int32_t);
 
+/*  size_char
+   taille du zbuffer exprimée en octets
+   utile pour le DMA */
+static const uint32_t size_blocks = size_char/32;
+
+
 /** address
  * addresse du zbuffer
 **/
@@ -28,14 +38,15 @@ static int32_t* address=0;
 const int32_t clearval=3000;
 
 #define ALIGN 4
-static void* buffer_malloc(uint32_t size)
+static void* buffer_malloc(uint_fast16_t size)
 {
     void *mem = malloc(size+ALIGN+sizeof(void*));
     void **ptr = (void**)((uintptr_t)(mem+ALIGN+sizeof(void*)) & ~(ALIGN-1));
     ptr[-1] = mem;
     return ptr;
 }
-void buffer_free(void *ptr) 
+
+static void buffer_free(void *ptr) 
 {
     free(((void**)ptr)[-1]);
 }
@@ -56,7 +67,7 @@ void FE_zbuffer_clear()
         }
     }
     // TODO déterminer le type d'effacement
-    if (/*isSH3()*/1)
+    if (isSH3())
     { // effacement CPU
         uint_fast16_t indice;
         for (indice = 0; indice < size_uint32; indice ++)
@@ -64,14 +75,14 @@ void FE_zbuffer_clear()
     }
     else
     { // effacement DMA
-        dma_transfer(0, DMA_32B, size_uint32, &clearval, DMA_FIXED, address, DMA_INC);
+        dma_transfer(0, DMA_32B, size_blocks, &clearval, DMA_FIXED, address, DMA_INC);
     }
 }
 
 void FE_start_rendering()
 {
-    /*if (!isSH3())
-        dma_transfer_wait(0);*/
+    if (!isSH3())
+        dma_transfer_wait(0);
 
 }
 
diff --git a/src/main.c b/src/main.c
index f9c395e..702bd35 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,30 +10,29 @@
 
 int main(void)
 {
-	init_controls();
-	dclear(C_WHITE);
-	FE_point point[4]={{{10,0,0},{0,0,0}},{{10,10,0},{0,0,0}},{{10,0,10},{0,0,0}},{{10,10,10},{0,0,0}}};
-	FE_face face={&point[0],&point[1],&point[2],1,2};
-	FE_face face2={&point[3],&point[1],&point[2],0,2};
+    init_controls();
+    dclear(C_WHITE);
+    FE_point point[4]={{{10,0,0},{0,0,0}},{{10,10,0},{0,0,0}},{{10,0,10},{0,0,0}},{{10,10,10},{0,0,0}}};
+    FE_face face={&point[0],&point[1],&point[2],1,2};
+    FE_face face2={&point[3],&point[1],&point[2],0,2};
 
-	while (1)
-	{
-		FE_new_frame();
-		reload_fps_displaying();
-
-		for (int i=0;i<4;i++)
-		{
-			FE_calc(&point[i]);
-			if (point[i].translated.z>0)
-			{
-				dpixel(point[i].translated.x,point[i].translated.y,C_BLACK);
-			}
-		}
-		FE_start_rendering();
-		FE_draw_face(&face);
-		FE_draw_face(&face2);
-		display_fps(100,56);
-	}
-	getkey();
-	return 1;
+    while (1)
+    {
+        FE_new_frame();
+        reload_fps_displaying();
+        display_fps(100,56);
+        for (int i=0;i<4;i++)
+        {
+            FE_calc(&point[i]);
+            if (point[i].translated.z>0)
+            {
+                dpixel(point[i].translated.x,point[i].translated.y,C_BLACK);
+            }
+        }
+        FE_start_rendering();
+        FE_draw_face(&face);
+        FE_draw_face(&face2);
+    }
+    getkey();
+    return 1;
 }
\ No newline at end of file