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55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/******************************************************************************
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* Sega Master System / GameGear Emulator
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* Copyright (C) 1998-2007 Charles MacDonald
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*
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* additionnal code by Eke-Eke (SMS Plus GX)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Z80 Memory handlers
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*
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******************************************************************************/
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#ifndef MEMZ80_H_
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#define MEMZ80_H_
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/* Global data */
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extern uint8_t data_bus_pullup;
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extern uint8_t data_bus_pulldown;
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/* Function prototypes */
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extern uint8_t z80_read_unmapped(void);
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extern void gg_port_w(uint16_t port, uint8_t data);
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extern uint8_t gg_port_r(uint16_t port);
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extern void ggms_port_w(uint16_t port, uint8_t data);
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extern uint8_t ggms_port_r(uint16_t port);
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extern void sms_port_w(uint16_t port, uint8_t data);
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extern uint8_t sms_port_r(uint16_t port);
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extern void smsj_port_w(uint16_t port, uint8_t data);
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extern uint8_t smsj_port_r(uint16_t port);
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extern void md_port_w(uint16_t port, uint8_t data);
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extern uint8_t md_port_r(uint16_t port);
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extern void tms_port_w(uint16_t port, uint8_t data);
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extern uint8_t tms_port_r(uint16_t port);
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extern void coleco_port_w(uint16_t port, uint8_t data);
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extern uint8_t coleco_port_r(uint16_t port);
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#ifdef SORDM5_EMU
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extern void sordm5_port_w(uint16_t port, uint8_t data);
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extern uint8_t sordm5_port_r(uint16_t port);
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#endif
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#endif /* _MEMZ80_H_ */
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