io_mapper.h

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/* A work-in-progess MEGA65 (Commodore-65 clone origins) emulator
   Part of the Xemu project, please visit: https://github.com/lgblgblgb/xemu
   Copyright (C)2016-2022 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_MEGA65_IO_MAPPER_H_INCLUDED
#define XEMU_MEGA65_IO_MAPPER_H_INCLUDED
 
#include "xemu/cia6526.h"
 
extern Uint8 io_read  ( unsigned int addr );
extern void  io_write ( unsigned int addr, Uint8 data );
 
extern Uint8  D6XX_registers[0x100];
extern Uint8  D7XX[0x100];                      // FIXME: newhack!
extern int    fpga_switches;
extern struct Cia6526 cia1, cia2;               // CIA emulation structures for the two CIAs
extern int    port_d607;                        // ugly hack for C65 extended keys ...
 
#endif