Imported MOS6529 SPIA from MESS. (no whatsnew)

.gitattributes

@@ -835,6 +835,8 @@ src/emu/machine/mc68901.c svneol=native#text/plain
 src/emu/machine/mc68901.h svneol=native#text/plain
 src/emu/machine/microtch.c svneol=native#text/plain
 src/emu/machine/microtch.h svneol=native#text/plain
+src/emu/machine/mos6529.c svneol=native#text/plain
+src/emu/machine/mos6529.h svneol=native#text/plain
 src/emu/machine/msm6242.c svneol=native#text/plain
 src/emu/machine/msm6242.h svneol=native#text/plain
 src/emu/machine/nmc9306.c svneol=native#text/plain

src/emu/emu.mak

@@ -194,6 +194,7 @@ EMUMACHINEOBJS = \
 	$(EMUMACHINE)/mc6852.o		\
 	$(EMUMACHINE)/mc68901.o		\
 	$(EMUMACHINE)/microtch.o	\
+	$(EMUMACHINE)/mos6529.o		\
 	$(EMUMACHINE)/msm6242.o		\
 	$(EMUMACHINE)/nmc9306.o		\
 	$(EMUMACHINE)/nvram.o		\

src/emu/machine/mos6529.c

@@ -0,0 +1,107 @@
+/**********************************************************************
+
+    MOS Technology 6529 Single Port Interface Adapter emulation
+
+    Copyright MESS Team.
+    Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "mos6529.h"
+#include "devhelpr.h"
+
+
+
+//**************************************************************************
+//  MACROS / CONSTANTS
+//**************************************************************************
+
+#define LOG 0
+
+
+
+//**************************************************************************
+//  GLOBAL VARIABLES
+//**************************************************************************
+
+// devices
+const device_type MOS6529 = mos6529_device_config::static_alloc_device_config;
+
+
+
+
+//**************************************************************************
+//  DEVICE CONFIGURATION
+//**************************************************************************
+
+GENERIC_DEVICE_CONFIG_SETUP(mos6529, "MOS6529")
+
+
+//-------------------------------------------------
+//  device_config_complete - perform any
+//  operations now that the configuration is
+//  complete
+//-------------------------------------------------
+
+void mos6529_device_config::device_config_complete()
+{
+	// inherit a copy of the static data
+	const mos6529_interface *intf = reinterpret_cast<const mos6529_interface *>(static_config());
+	if (intf != NULL)
+		*static_cast<mos6529_interface *>(this) = *intf;
+
+	// or initialize to defaults if none provided
+	else
+	{
+		memset(&m_in_p_func, 0, sizeof(m_in_p_func));
+		memset(&m_out_p_func, 0, sizeof(m_out_p_func));
+	}
+}
+
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  mos6529_device - constructor
+//-------------------------------------------------
+
+mos6529_device::mos6529_device(running_machine &_machine, const mos6529_device_config &config)
+    : device_t(_machine, config),
+      m_config(config)
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void mos6529_device::device_start()
+{
+	// resolve callbacks
+	devcb_resolve_read8(&m_in_p_func, &m_config.m_in_p_func, this);
+	devcb_resolve_write8(&m_out_p_func, &m_config.m_out_p_func, this);
+}
+
+
+//-------------------------------------------------
+//  read - 
+//-------------------------------------------------
+
+READ8_MEMBER( mos6529_device::read )
+{
+	return devcb_call_read8(&m_in_p_func, 0);
+}
+
+
+//-------------------------------------------------
+//  write - 
+//-------------------------------------------------
+
+WRITE8_MEMBER( mos6529_device::write )
+{
+	devcb_call_write8(&m_out_p_func, 0, data);
+}

src/emu/machine/mos6529.h

@@ -0,0 +1,109 @@
+/**********************************************************************
+
+    MOS Technology 6529 Single Port Interface Adapter emulation
+
+    Copyright MESS Team.
+    Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************
+                            _____   _____
+                   R/W   1 |*    \_/     | 20  Vdd
+                    P0   2 |             | 19  _CS
+                    P1   3 |             | 18  D0
+                    P2   4 |             | 17  D1
+                    P3   5 |   MOS6529   | 16  D2
+                    P4   6 |             | 15  D3
+                    P5   7 |             | 14  D4
+                    P6   8 |             | 13  D5
+                    P7   9 |             | 12  D6
+                   Vss  10 |_____________| 11  D7
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __MOS6529__
+#define __MOS6529__
+
+#include "emu.h"
+
+
+
+//**************************************************************************
+//  INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_MOS6529_ADD(_tag, _clock, _config) \
+	MCFG_DEVICE_ADD(_tag, MOS6529, _clock)	\
+	MCFG_DEVICE_CONFIG(_config)
+
+#define MOS6529_INTERFACE(name) \
+	const mos6529_interface (name) =
+
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> mos6529_interface
+
+struct mos6529_interface
+{
+	devcb_read8				m_in_p_func;
+	devcb_write8			m_out_p_func;
+};
+
+
+// ======================> mos6529_device_config
+
+class mos6529_device_config :   public device_config,
+                                public mos6529_interface
+{
+    friend class mos6529_device;
+
+    // construction/destruction
+    mos6529_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
+
+public:
+    // allocators
+    static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
+    virtual device_t *alloc_device(running_machine &machine) const;
+
+protected:
+	// device_config overrides
+	virtual void device_config_complete();
+};
+
+
+// ======================> mos6529_device
+
+class mos6529_device :	public device_t
+{
+    friend class mos6529_device_config;
+
+    // construction/destruction
+    mos6529_device(running_machine &_machine, const mos6529_device_config &_config);
+
+public:
+    DECLARE_READ8_MEMBER( read );
+    DECLARE_WRITE8_MEMBER( write );
+
+protected:
+    // device-level overrides
+    virtual void device_start();
+
+private:
+	devcb_resolved_read8		m_in_p_func;
+	devcb_resolved_write8		m_out_p_func;
+
+	const mos6529_device_config &m_config;
+};
+
+
+// device type definition
+extern const device_type MOS6529;
+
+
+
+#endif