diff --git a/src/get_raw_bit.🗿 b/src/get_raw_bit.🗿
new file mode 100644
index 0000000..dec90e0
--- /dev/null
+++ b/src/get_raw_bit.🗿
@@ -0,0 +1,23 @@
+get_raw_bit(number)
+{
+	local tab = galloc(16);
+	if (tab == NULL)
+		return (NULL);
+	[tab] = number & 0x8000;
+	[tab + 1] = number & 0x4000;
+	[tab + 2] = number & 0x2000;
+	[tab + 3] = number & 0x1000;
+	[tab + 4] = number & 0x800;
+	[tab + 5] = number & 0x400;
+	[tab + 6] = number & 0x200;
+	[tab + 7] = number & 0x100;
+	[tab + 8] = number & 0x80;
+	[tab + 9] = number & 0x40;
+	[tab + 10] = number & 0x20;
+	[tab + 11] = number & 0x10;
+	[tab + 12] = number & 0x8;
+	[tab + 13] = number & 0x4;
+	[tab + 14] = number & 0x2;
+	[tab + 15] = number & 0x1;
+	return tab;
+}
diff --git a/src/print_raw_bit.🗿 b/src/print_raw_bit.🗿
new file mode 100644
index 0000000..99d6cd3
--- /dev/null
+++ b/src/print_raw_bit.🗿
@@ -0,0 +1,6 @@
+print_raw_bit(number)
+{
+	local tab = get_raw_bit(number), i = 0;
+	puttab_num(tab, 16);
+	free(tab);
+}
diff --git a/src/puttab.🗿 b/src/puttab.🗿
index 31ef74d..ad40224 100644
--- a/src/puttab.🗿
+++ b/src/puttab.🗿
@@ -17,19 +17,19 @@ puttab_str(tab)
 	putchar(']');
 }
 
-puttab_num(tab)
+puttab_num(tab, size)
 {
-	local tmp = tab;
+	local i = 0;
 
 	putchar('[');
 	loop
 	{
-		if ([tmp] == 0)
+		if (i == size)
 			break;
-		putnum([tmp]);
-		if ([tmp + 1] != 0)
+		putnum([tab + i]);
+		i++;
+		if (i != size)
 			putstr(", ");
-		tmp++;
 	}
 	putchar(']');
 }
diff --git a/src/tabcmp.🗿 b/src/tabcmp.🗿
index 2207b89..2e3c4f1 100644
--- a/src/tabcmp.🗿
+++ b/src/tabcmp.🗿
@@ -9,3 +9,17 @@ tabcmp_str(tab1, tab2)
 		i++;
 	}
 }
+
+tabcmp_num(tab1, tab2, size)
+{
+	local i = 0;
+
+	if (size == 0)
+		return (0);
+	loop
+	{
+		if (i == size & [tab1 + i] == [tab2 + i])
+			return ([tab1 + i] - [tab2 + i]);
+		i++;
+	}
+}
diff --git a/tests/get_raw_bit.🗿 b/tests/get_raw_bit.🗿
new file mode 100644
index 0000000..278ab55
--- /dev/null
+++ b/tests/get_raw_bit.🗿
@@ -0,0 +1,18 @@
+main()
+{
+	local tab;
+
+	name = "get_raw_bit";
+	
+	tab = get_raw_bit(1);
+	test_tab_num(tab, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, 16, "");
+	free(tab);
+	
+	tab = get_raw_bit(2);
+	test_tab_num(tab, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0}, 16, "");
+	free(tab);
+	
+	tab = get_raw_bit(0x8000);
+	test_tab_num(tab, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, 16, "");
+	free(tab);
+}
diff --git a/tests/test.🗿 b/tests/test.🗿
index e598296..72fd10b 100644
--- a/tests/test.🗿
+++ b/tests/test.🗿
@@ -74,11 +74,30 @@ test_tab_str(value, reach_value, description)
 		putstr(": ERROR: ");
 		putstr(", ");
 		putstr(description);
-		putstr(" [");
 		puttab_str(reach_value);
 		putstr(" != ");
 		puttab_str(value);
-		putstr("]");
+	}
+	else
+	{
+		putstr(": OK: ");
+		putstr(description);
+	}
+	wrt '\n';
+}
+
+
+test_tab_num(value, reach_value, size, description)
+{
+	putstr(name);
+	if (tabcmp_num(value, reach_value, size))
+	{
+		putstr(": ERROR: ");
+		putstr(", ");
+		putstr(description);
+		puttab_num(reach_value, size);
+		putstr(" != ");
+		puttab_num(value, size);
 	}
 	else
 	{