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/***************************************************************************************
* Genesis Plus
* Z80 bus handlers (Genesis & Master System modes)
*
* Support for SG-1000, Mark-III, Master System, Game Gear & Mega Drive ports access
*
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald (original code)
* Copyright (C) 2007-2015 Eke-Eke (Genesis Plus GX)
*
* Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met:
*
* - Redistributions may not be sold, nor may they be used in a commercial
* product or activity.
*
* - Redistributions that are modified from the original source must include the
* complete source code, including the source code for all components used by a
* binary built from the modified sources. However, as a special exception, the
* source code distributed need not include anything that is normally distributed
* (in either source or binary form) with the major components (compiler, kernel,
* and so on) of the operating system on which the executable runs, unless that
* component itself accompanies the executable.
*
* - Redistributions must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************************/
#ifndef _MEMZ80_H_
#define _MEMZ80_H_
extern unsigned char z80_memory_r(unsigned int address);
extern void z80_memory_w(unsigned int address, unsigned char data);
extern unsigned char z80_unused_port_r(unsigned int port);
extern void z80_unused_port_w(unsigned int port, unsigned char data);
extern unsigned char z80_md_port_r(unsigned int port);
extern void z80_md_port_w(unsigned int port, unsigned char data);
extern unsigned char z80_gg_port_r(unsigned int port);
extern void z80_gg_port_w(unsigned int port, unsigned char data);
extern unsigned char z80_ms_port_r(unsigned int port);
extern void z80_ms_port_w(unsigned int port, unsigned char data);
extern unsigned char z80_m3_port_r(unsigned int port);
extern void z80_m3_port_w(unsigned int port, unsigned char data);
extern unsigned char z80_sg_port_r(unsigned int port);
extern void z80_sg_port_w(unsigned int port, unsigned char data);
#endif /* _MEMZ80_H_ */
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