summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/cpu/h8/h8_port.h
diff options
context:
space:
mode:
author Olivier Galibert <galibert@pobox.com>2014-03-25 21:53:54 +0000
committer Olivier Galibert <galibert@pobox.com>2014-03-25 21:53:54 +0000
commit65d778cad30497d412c7a05200fc3aa9b71cac1e (patch)
tree42517f90a95bf9a3d9cccf4f0ea9c7b3485faee9 /src/emu/cpu/h8/h8_port.h
parent9957ec800350177870827f4403e4ad43006dd8a2 (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.h81
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