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// 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
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