/*************************************************************************** h8_port.h H8 8 bits digital port **************************************************************************** Copyright Olivier Galibert All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form 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. * Neither the name 'MAME' nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY OLIVIER GALIBERT ''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 OLIVIER GALIBERT 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 __H8_PORT_H__ #define __H8_PORT_H__ #include "h8.h" #define MCFG_H8_PORT_ADD( _tag, address, ddr, mask ) \ MCFG_DEVICE_ADD( _tag, H8_PORT, 0 ) \ downcast(device)->set_info(address, ddr, mask); class h8_port_device : public device_t { public: h8_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); void set_info(int address, UINT8 default_ddr, UINT8 mask); DECLARE_WRITE8_HANDLER(ddr_w); DECLARE_WRITE8_HANDLER(dr_w); DECLARE_READ8_HANDLER(dr_r); DECLARE_READ8_HANDLER(port_r); DECLARE_WRITE8_HANDLER(pcr_w); DECLARE_READ8_HANDLER(pcr_r); DECLARE_WRITE8_HANDLER(odr_w); DECLARE_READ8_HANDLER(odr_r); protected: required_device cpu; address_space *io; int address; UINT8 default_ddr, ddr, pcr, odr; UINT8 mask; UINT8 dr; UINT8 last_output; virtual void device_start(); virtual void device_reset(); void update_output(); }; extern const device_type H8_PORT; #endif