diff --git a/opcodes.py b/opcodes.py
deleted file mode 100644
index 3a8a90b..0000000
--- a/opcodes.py
+++ /dev/null
@@ -1,98 +0,0 @@
-from operator import add, mul, eq, lt
-import enum
-
-
-@enum.unique
-class State(enum.Enum):
-    """Execution state class."""
-    CONTINUE = 0
-    HALT     = 1
-    WAIT     = 2
-
-
-class Opcode:
-    def __init__(self, func, parnum):
-        self.parnum = parnum
-        self.run    = func
-
-
-def operation(operator):
-    """Make opcode from operator."""
-    def opcode(state, p1, p2, p3):
-        state.memory.write(p3, operator(state.memory.read(p1), state.memory.read(p2)))
-        state.i += 4
-        return State.CONTINUE
-    return Opcode(opcode, 3)
-
-def jump(flag):
-    def opcode(state, p1, p2):
-        state.i = state.memory.read(p2) if (state.memory.read(p1) > 0)==flag else state.i+3
-        return State.CONTINUE
-    return Opcode(opcode, 2)
-
-def adjust_base(state, p1):
-    state.rel_base += state.memory.read(p1)
-    state.i += 2
-    return State.CONTINUE
-
-def input(state, p1):
-    if state.IO.wait_for_input():
-        return State.WAIT
-    state.memory.write(p1, state.IO.input())
-    state.i += 2
-    return State.CONTINUE
-
-def output(state, p1):
-    state.IO.output(state.memory.read(p1))
-    state.i += 2
-    return State.CONTINUE
-
-
-op_add = operation(add)
-
-op_mul = operation(mul)
-
-op_lt = operation(lt)
-
-op_eq = operation(eq)
-
-op_jump_if_true  = jump(True)
-
-op_jump_if_false = jump(False)
-
-op_adjust_relative_base = Opcode(adjust_base, 1)
-
-op_input = Opcode(input, 1)
-
-op_output = Opcode(output, 1)
-
-op_halt = Opcode(lambda x: State.HALT, 0)
-
-opcodes = {1  : op_add,
-           2  : op_mul,
-           3  : op_input,
-           4  : op_output,
-           5  : op_jump_if_true,
-           6  : op_jump_if_false,
-           7  : op_lt,
-           8  : op_eq,
-           9  : op_adjust_relative_base,
-           99 : op_halt}
-
-def parse_op(op):
-    op = str(op)
-    par_modes, op = op[:-2][::-1], int(op[-2:])
-    par_modes = par_modes + '0'*(opcodes[op].parnum - len(par_modes))
-    return op, map(int, par_modes)
-
-def run_op(state):
-    op, par_modes = parse_op(state.memory.read(state.i))
-    pars = []
-    for pn, mode in enumerate(par_modes, start=1):
-        p = state.i + pn
-        if mode == 0:
-            p = state.memory.read(p)
-        elif mode == 2:
-            p = state.rel_base + state.memory.read(p)
-        pars.append(p)
-    return opcodes[op].run(state, *pars)