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author | 2014-03-25 21:53:54 +0000 | |
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committer | 2014-03-25 21:53:54 +0000 | |
commit | 65d778cad30497d412c7a05200fc3aa9b71cac1e (patch) | |
tree | 42517f90a95bf9a3d9cccf4f0ea9c7b3485faee9 /src/emu/cpu/h8/h8_port.h | |
parent | 9957ec800350177870827f4403e4ad43006dd8a2 (diff) |
h8: Rewrite [O. Galibert]
(mess) mu100: Main screen turn on [O. Galibert]
Diffstat (limited to 'src/emu/cpu/h8/h8_port.h')
-rw-r--r-- | src/emu/cpu/h8/h8_port.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/emu/cpu/h8/h8_port.h b/src/emu/cpu/h8/h8_port.h index e69de29bb2d..19334e1e5c1 100644 --- a/src/emu/cpu/h8/h8_port.h +++ b/src/emu/cpu/h8/h8_port.h @@ -0,0 +1,81 @@ +/*************************************************************************** + + 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<h8_port_device *>(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<h8_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 |