smsplus-gx/source/memz80.h

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/******************************************************************************
* Sega Master System / GameGear Emulator
* Copyright (C) 1998-2007 Charles MacDonald
*
* additionnal code by Eke-Eke (SMS Plus GX)
*
* 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
*
* Z80 Memory handlers
*
******************************************************************************/
#ifndef MEMZ80_H_
#define MEMZ80_H_
/* Global data */
extern uint8_t data_bus_pullup;
extern uint8_t data_bus_pulldown;
/* Function prototypes */
extern uint8_t z80_read_unmapped(void);
extern void gg_port_w(uint16_t port, uint8_t data);
extern uint8_t gg_port_r(uint16_t port);
extern void ggms_port_w(uint16_t port, uint8_t data);
extern uint8_t ggms_port_r(uint16_t port);
extern void sms_port_w(uint16_t port, uint8_t data);
extern uint8_t sms_port_r(uint16_t port);
extern void smsj_port_w(uint16_t port, uint8_t data);
extern uint8_t smsj_port_r(uint16_t port);
extern void md_port_w(uint16_t port, uint8_t data);
extern uint8_t md_port_r(uint16_t port);
extern void tms_port_w(uint16_t port, uint8_t data);
extern uint8_t tms_port_r(uint16_t port);
extern void coleco_port_w(uint16_t port, uint8_t data);
extern uint8_t coleco_port_r(uint16_t port);
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#ifdef SORDM5_EMU
extern void sordm5_port_w(uint16_t port, uint8_t data);
extern uint8_t sordm5_port_r(uint16_t port);
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#endif
#endif /* _MEMZ80_H_ */