+ elif opcode == 19: # ifeq
+ offset = s24()
+ value2 = stack.pop()
+ value1 = stack.pop()
+ if value2 == value1:
+ coder.seek(coder.tell() + offset)
+ elif opcode == 20: # ifne
+ offset = s24()
+ value2 = stack.pop()
+ value1 = stack.pop()
+ if value2 != value1:
+ coder.seek(coder.tell() + offset)
+ elif opcode == 32: # pushnull
+ stack.append(None)