diff --git a/Project.uvoptx b/Project.uvoptx
index 13c6ad5..5bd83fc 100644
--- a/Project.uvoptx
+++ b/Project.uvoptx
@@ -268,6 +268,30 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>3</FileNumber>
+      <FileType>2</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\Src\calculCarre.s</PathWithFileName>
+      <FilenameWithoutPath>calculCarre.s</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>4</FileNumber>
+      <FileType>2</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\Src\table_sin_cos.s</PathWithFileName>
+      <FilenameWithoutPath>table_sin_cos.s</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
@@ -278,7 +302,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>3</FileNumber>
+      <FileNumber>5</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -298,7 +322,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>4</FileNumber>
+      <FileNumber>6</FileNumber>
       <FileType>4</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/Project.uvprojx b/Project.uvprojx
index 743ad41..778d4ed 100644
--- a/Project.uvprojx
+++ b/Project.uvprojx
@@ -392,6 +392,16 @@
               <FileType>2</FileType>
               <FilePath>.\Src\be_1.s</FilePath>
             </File>
+            <File>
+              <FileName>calculCarre.s</FileName>
+              <FileType>2</FileType>
+              <FilePath>.\Src\calculCarre.s</FilePath>
+            </File>
+            <File>
+              <FileName>table_sin_cos.s</FileName>
+              <FileType>2</FileType>
+              <FilePath>.\Src\table_sin_cos.s</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
diff --git a/Src/calculCarre.s b/Src/calculCarre.s
new file mode 100644
index 0000000..fa9cd64
--- /dev/null
+++ b/Src/calculCarre.s
@@ -0,0 +1,25 @@
+; ce programme est pour l'assembleur RealView (Keil)
+	thumb
+	area  moncode, code, readonly
+	export calcul_carre
+	import TabCos
+	import TabSin
+;
+
+calcul_carre proc
+	ldr r3, =TabSin
+	ldr	r5, =TabCos
+	ldrh r2, [r3, r0, LSL #1]
+	ldrh r0, [r5, r0, LSL #1]
+	
+	mul r0, r0 
+	mul r2, r2
+	
+	add r0, r2
+	
+	str r0, [r1]
+	
+	bx lr
+	endp
+		
+	end
\ No newline at end of file
diff --git a/Src/table_sin_cos.s b/Src/table_sin_cos.s
new file mode 100644
index 0000000..0dfc80b
--- /dev/null
+++ b/Src/table_sin_cos.s
@@ -0,0 +1,136 @@
+	area Trigo, DATA, READONLY
+	export TabSin
+	export TabCos
+
+TabCos
+	DCW	32767	;  0 0x7fff  0.99997
+	DCW	32610	;  1 0x7f62  0.99518
+	DCW	32138	;  2 0x7d8a  0.98077
+	DCW	31357	;  3 0x7a7d  0.95694
+	DCW	30274	;  4 0x7642  0.92389
+	DCW	28899	;  5 0x70e3  0.88193
+	DCW	27246	;  6 0x6a6e  0.83148
+	DCW	25330	;  7 0x62f2  0.77301
+	DCW	23170	;  8 0x5a82  0.70709
+	DCW	20788	;  9 0x5134  0.63440
+	DCW	18205	; 10 0x471d  0.55557
+	DCW	15447	; 11 0x3c57  0.47141
+	DCW	12540	; 12 0x30fc  0.38269
+	DCW	 9512	; 13 0x2528  0.29028
+	DCW	 6393	; 14 0x18f9  0.19510
+	DCW	 3212	; 15 0x0c8c  0.09802
+	DCW	    0	; 16 0x0000  0.00000
+	DCW	-3212	; 17 0xf374 -0.09802
+	DCW	-6393	; 18 0xe707 -0.19510
+	DCW	-9512	; 19 0xdad8 -0.29028
+	DCW	-12540	; 20 0xcf04 -0.38269
+	DCW	-15447	; 21 0xc3a9 -0.47141
+	DCW	-18205	; 22 0xb8e3 -0.55557
+	DCW	-20788	; 23 0xaecc -0.63440
+	DCW	-23170	; 24 0xa57e -0.70709
+	DCW	-25330	; 25 0x9d0e -0.77301
+	DCW	-27246	; 26 0x9592 -0.83148
+	DCW	-28899	; 27 0x8f1d -0.88193
+	DCW	-30274	; 28 0x89be -0.92389
+	DCW	-31357	; 29 0x8583 -0.95694
+	DCW	-32138	; 30 0x8276 -0.98077
+	DCW	-32610	; 31 0x809e -0.99518
+	DCW	-32768	; 32 0x8000 -1.00000
+	DCW	-32610	; 33 0x809e -0.99518
+	DCW	-32138	; 34 0x8276 -0.98077
+	DCW	-31357	; 35 0x8583 -0.95694
+	DCW	-30274	; 36 0x89be -0.92389
+	DCW	-28899	; 37 0x8f1d -0.88193
+	DCW	-27246	; 38 0x9592 -0.83148
+	DCW	-25330	; 39 0x9d0e -0.77301
+	DCW	-23170	; 40 0xa57e -0.70709
+	DCW	-20788	; 41 0xaecc -0.63440
+	DCW	-18205	; 42 0xb8e3 -0.55557
+	DCW	-15447	; 43 0xc3a9 -0.47141
+	DCW	-12540	; 44 0xcf04 -0.38269
+	DCW	-9512	; 45 0xdad8 -0.29028
+	DCW	-6393	; 46 0xe707 -0.19510
+	DCW	-3212	; 47 0xf374 -0.09802
+	DCW	    0	; 48 0x0000  0.00000
+	DCW	 3212	; 49 0x0c8c  0.09802
+	DCW	 6393	; 50 0x18f9  0.19510
+	DCW	 9512	; 51 0x2528  0.29028
+	DCW	12540	; 52 0x30fc  0.38269
+	DCW	15447	; 53 0x3c57  0.47141
+	DCW	18205	; 54 0x471d  0.55557
+	DCW	20788	; 55 0x5134  0.63440
+	DCW	23170	; 56 0x5a82  0.70709
+	DCW	25330	; 57 0x62f2  0.77301
+	DCW	27246	; 58 0x6a6e  0.83148
+	DCW	28899	; 59 0x70e3  0.88193
+	DCW	30274	; 60 0x7642  0.92389
+	DCW	31357	; 61 0x7a7d  0.95694
+	DCW	32138	; 62 0x7d8a  0.98077
+	DCW	32610	; 63 0x7f62  0.99518
+TabSin
+	DCW	    0	;  0 0x0000  0.00000
+	DCW	 3212	;  1 0x0c8c  0.09802
+	DCW	 6393	;  2 0x18f9  0.19510
+	DCW	 9512	;  3 0x2528  0.29028
+	DCW	12540	;  4 0x30fc  0.38269
+	DCW	15447	;  5 0x3c57  0.47141
+	DCW	18205	;  6 0x471d  0.55557
+	DCW	20788	;  7 0x5134  0.63440
+	DCW	23170	;  8 0x5a82  0.70709
+	DCW	25330	;  9 0x62f2  0.77301
+	DCW	27246	; 10 0x6a6e  0.83148
+	DCW	28899	; 11 0x70e3  0.88193
+	DCW	30274	; 12 0x7642  0.92389
+	DCW	31357	; 13 0x7a7d  0.95694
+	DCW	32138	; 14 0x7d8a  0.98077
+	DCW	32610	; 15 0x7f62  0.99518
+	DCW	32767	; 16 0x7fff  0.99997
+	DCW	32610	; 17 0x7f62  0.99518
+	DCW	32138	; 18 0x7d8a  0.98077
+	DCW	31357	; 19 0x7a7d  0.95694
+	DCW	30274	; 20 0x7642  0.92389
+	DCW	28899	; 21 0x70e3  0.88193
+	DCW	27246	; 22 0x6a6e  0.83148
+	DCW	25330	; 23 0x62f2  0.77301
+	DCW	23170	; 24 0x5a82  0.70709
+	DCW	20788	; 25 0x5134  0.63440
+	DCW	18205	; 26 0x471d  0.55557
+	DCW	15447	; 27 0x3c57  0.47141
+	DCW	12540	; 28 0x30fc  0.38269
+	DCW	 9512	; 29 0x2528  0.29028
+	DCW	 6393	; 30 0x18f9  0.19510
+	DCW	 3212	; 31 0x0c8c  0.09802
+	DCW	    0	; 32 0x0000  0.00000
+	DCW	-3212	; 33 0xf374 -0.09802
+	DCW	-6393	; 34 0xe707 -0.19510
+	DCW	-9512	; 35 0xdad8 -0.29028
+	DCW	-12540	; 36 0xcf04 -0.38269
+	DCW	-15447	; 37 0xc3a9 -0.47141
+	DCW	-18205	; 38 0xb8e3 -0.55557
+	DCW	-20788	; 39 0xaecc -0.63440
+	DCW	-23170	; 40 0xa57e -0.70709
+	DCW	-25330	; 41 0x9d0e -0.77301
+	DCW	-27246	; 42 0x9592 -0.83148
+	DCW	-28899	; 43 0x8f1d -0.88193
+	DCW	-30274	; 44 0x89be -0.92389
+	DCW	-31357	; 45 0x8583 -0.95694
+	DCW	-32138	; 46 0x8276 -0.98077
+	DCW	-32610	; 47 0x809e -0.99518
+	DCW	-32768	; 48 0x8000 -1.00000
+	DCW	-32610	; 49 0x809e -0.99518
+	DCW	-32138	; 50 0x8276 -0.98077
+	DCW	-31357	; 51 0x8583 -0.95694
+	DCW	-30274	; 52 0x89be -0.92389
+	DCW	-28899	; 53 0x8f1d -0.88193
+	DCW	-27246	; 54 0x9592 -0.83148
+	DCW	-25330	; 55 0x9d0e -0.77301
+	DCW	-23170	; 56 0xa57e -0.70709
+	DCW	-20788	; 57 0xaecc -0.63440
+	DCW	-18205	; 58 0xb8e3 -0.55557
+	DCW	-15447	; 59 0xc3a9 -0.47141
+	DCW	-12540	; 60 0xcf04 -0.38269
+	DCW	-9512	; 61 0xdad8 -0.29028
+	DCW	-6393	; 62 0xe707 -0.19510
+	DCW	-3212	; 63 0xf374 -0.09802
+
+	END
\ No newline at end of file