RAM

ram.py

r = [0] * 7
pc = 1

def M(i,j):
  def _m():
    r[i] = r[j]
    return False
  return _m

def J(i,j,k):
  def _j():
    if r[i] == r[j]:
      global pc
      pc  = k
      return True
    return False
  return _j

def S(i):
  def _s():
    r[i] += 1
    return False
  return _s

def Z(i):
  def _z():
    r[i] = 0
    return False
  return _z

def E():
  def _e():
    print("=== result ===")
    for i in range(0,len(r)):
      print( "{:>3}".format(i), end="|")
    print()
    for i in range(0,len(r)):
      print( "{:>3}".format(r[i]), end="|")
    print()
    print("R(0) = ",r[0])
    print("==============")
  return _e

def D():
  pass

if __name__ == "__main__":
  ins = []
  r[1] = 7
  r[2] = 3

  ins = [
    D,
    M(3,2),
    J(1,3,6),
    S(3),
    S(0),
    J(0,0,2),
    E()
  ]

  while True:
    if not ins[pc]():
      pc += 1
    if pc == len(ins) - 1:
      ins[pc]()
      quit()

命令

D, # dummy
M(3,2),
J(1,3,6),
S(3),
S(0),
J(0,0,2),
E