diff --git a/compiler.py b/compiler.py
index a96ef40..6d039e5 100755
--- a/compiler.py
+++ b/compiler.py
@@ -130,6 +130,7 @@ OPCODE_TABLE = {
     "CMP"   : 0b1000,
     "BEQ"   : 0b1001,
     "BLT"   : 0b1010,
+    "CMI"   : 0b1011,
     "HALT"  : 0b1111,
 }
 
@@ -242,10 +243,25 @@ def parse_instruction(args):
         return parse_jump(args)
     if args[0] in ["CMP"]:
         return parse_dual_registers(args)
+    if args[0] in ["CMI"]:
+        return parse_compare_imediate(args)
     else:
         print("Foregotten instruction: ", args[0])
         assert False
 
+def parse_compare_imediate(args):
+    if len(args) < 3:
+        raise SyntaxError("Not enough arguments.")
+    if len(args) > 3:
+        raise SyntaxError("Trash at end of line \"{}\"".format(" ".join(args[3:])))
+    opcode = OPCODE_TABLE[args[0]]
+    if args[1].upper() not in REGISTERS:
+        raise SyntaxError("Invalid register name" + args[1])
+    register = REGISTERS[args[1].upper()]
+    address, mode = parse_operand(args[2])
+    return Instruction(opcode, register, ADDRESS_MODES["DIRECT"], address)
+    
+
 def parse_tripple_instuction(args):
     if len(args) < 3:
         raise SyntaxError("Not enough arguments.")
@@ -273,9 +289,11 @@ def parse_dual_registers(args):
     if len(args) > 3:
         raise SyntaxError("Trash at end of line \"{}\"".format(" ".join(args[3:])))
     opcode = OPCODE_TABLE[args[0]]
+    if args[1].upper() not in REGISTERS:
+        raise SyntaxError("Invalid register name" + args[1])
     register_a = REGISTERS[args[1].upper()]
     register_b = REGISTERS[args[2].upper()]
-    return Instruction(opcode, register_a, register_b, 0, 1)
+    return Instruction(opcode, register_a, register_b, 0)
 
 def main():
     success = True
diff --git a/sorter.eda b/sorter.eda
new file mode 100644
index 0000000..32c8de2
--- /dev/null
+++ b/sorter.eda
@@ -0,0 +1,57 @@
+# Beatuifull
+LOAD GR0 *0x00E0 # I
+LOAD GR1 *0x00E0 # J
+
+OUTER:
+CMI GR0 0xFF
+BEQ @END
+
+STORE GR0 *@I
+LOAD GR2 **@I
+
+STORE GR1 *@I
+
+INNER:
+ADD GR1 1
+STORE GR1 *@J
+LOAD GR3 **@J
+
+CMP GR2 GR3
+BLT @INNER
+
+STORE GR2 **@J
+STORE GR3 **@I
+LOAD GR2 **@I
+CMI GR1 0xFF
+BNE @INNER 
+BRA @OUTER
+
+END:
+HALT
+
+# for (int i = 0; i < length; i++)
+# {
+# 	for (int j = i; j < length;)
+# 	{
+#		j++
+# 		if (data[i] < data[j])
+# 		{
+# 			int a = data[i];
+# 			data[i] = data[j];
+# 			data[j] = a;
+# 		}
+# 	}
+# }
+
+
+
+I:
+.	0020
+J:
+.	0000
+A: # Pointer to value at I
+.   0000
+B: # Pointer to value at J
+.   0000
+LAST:
+.	00FF