code: def DoScrollRegion(fsm):
      screen = fsm.memory[0]
      r2 = int(fsm.memory.pop())
      r1 = int(fsm.memory.pop())
      screen.scroll_screen_rows(r1, r2)
  
imports: from .None import screen
  from .None import FSM
  import string
label_desc: Use image node_id 22 for calling a global function with example usage: DoScrollRegion(fsm) without return types