text: // license:BSD-3-Clause
  // copyright-holders:Juergen Buchmueller
  /*****************************************************************************
   *
   *   Xerox AltoII cursor task (CURT)
   *
   *****************************************************************************/
  #ifdef  ALTO2_DEFINE_CONSTANTS
  
  #else   // ALTO2_DEFINE_CONSTANTS
  #ifndef _A2CURT_H_
  #define _A2CURT_H_
  
  //! F2 functions for cursor task
  enum {
  	f2_curt_load_xpreg  = f2_task_10,           //!< f2 10: load x position register
  	f2_curt_load_csr    = f2_task_11            //!< f2 11: load cursor shift register
  };
  
  void f1_early_curt_block();                     //!< f1_curt_block early: disable the cursor task and set the curt_blocks flag
  void f2_late_load_xpreg();                      //!< f2_load_xpreg late: load the x position register from BUS[6-15]
  void f2_late_load_csr();                        //!< f2_load_csr late: load the cursor shift register from BUS[0-15]
  void activate_curt();                           //!< curt_activate: called by the CPU when the cursor task becomes active
  void init_curt(int task = task_curt);           //!< initialize cursor task
  void exit_curt();                               //!< deinitialize cursor task
  void reset_curt();                              //!< reset cursor task
  #endif // _A2CURT_H_
  #endif  // ALTO2_DEFINE_CONSTANTS
  