apu.h

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/* Minimalistic Enterprise-128 emulator with focus on "exotic" hardware
   Part of the Xemu project, please visit: https://github.com/lgblgblgb/xemu
   Copyright (C)2015-2016,2020 LGB (Gábor Lénárt) <lgblgblgb@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
#ifndef XEMU_EP128_APU_H_INCLUDED
#define XEMU_EP128_APU_H_INCLUDED
 
#define APU_CLOCK 2500000
 
extern Uint8 apu_read_data ( void );
extern Uint8 apu_read_status ( void );
extern void  apu_write_data ( Uint8 value );
extern void  apu_write_command ( Uint8 value );
extern void  apu_reset ( void );
 
#endif