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-rw-r--r--src/emu/bus/ecbbus/ecbbus.h170
1 files changed, 170 insertions, 0 deletions
diff --git a/src/emu/bus/ecbbus/ecbbus.h b/src/emu/bus/ecbbus/ecbbus.h
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+++ b/src/emu/bus/ecbbus/ecbbus.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Conitec Datensysteme ECB Bus emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __ECBBUS__
+#define __ECBBUS__
+
+#include "emu.h"
+
+
+//**************************************************************************
+// CONSTANTS
+//**************************************************************************
+
+#define ECBBUS_TAG "ecbbus"
+
+
+#define MAX_ECBBUS_SLOTS 16
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_ECBBUS_ADD(_cpu_tag, _config) \
+ MCFG_DEVICE_ADD(ECBBUS_TAG, ECBBUS, 0) \
+ MCFG_DEVICE_CONFIG(_config) \
+ ecbbus_device::static_set_cputag(*device, _cpu_tag);
+
+
+#define ECBBUS_INTERFACE(_name) \
+ const ecbbus_interface (_name) =
+
+
+#define MCFG_ECBBUS_SLOT_ADD(_num, _tag, _slot_intf, _def_slot) \
+ MCFG_DEVICE_ADD(_tag, ECBBUS_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
+ ecbbus_slot_device::static_set_ecbbus_slot(*device, ECBBUS_TAG, _num);
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> ecbbus_slot_device
+
+class ecbbus_device;
+
+class ecbbus_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ ecbbus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+
+ // inline configuration
+ static void static_set_ecbbus_slot(device_t &device, const char *tag, int num);
+
+private:
+ // configuration
+ const char *m_bus_tag;
+ int m_bus_num;
+ ecbbus_device *m_bus;
+};
+
+
+// device type definition
+extern const device_type ECBBUS_SLOT;
+
+
+// ======================> ecbbus_interface
+
+struct ecbbus_interface
+{
+ devcb_write_line m_out_int_cb;
+ devcb_write_line m_out_nmi_cb;
+};
+
+class device_ecbbus_card_interface;
+
+
+// ======================> ecbbus_device
+
+class ecbbus_device : public device_t,
+ public ecbbus_interface
+{
+public:
+ // construction/destruction
+ ecbbus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ // inline configuration
+ static void static_set_cputag(device_t &device, const char *tag);
+
+ void add_ecbbus_card(device_ecbbus_card_interface *card, int pos);
+
+ DECLARE_READ8_MEMBER( mem_r );
+ DECLARE_WRITE8_MEMBER( mem_w );
+
+ DECLARE_READ8_MEMBER( io_r );
+ DECLARE_WRITE8_MEMBER( io_w );
+
+ DECLARE_WRITE_LINE_MEMBER( int_w );
+ DECLARE_WRITE_LINE_MEMBER( nmi_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete();
+
+private:
+ // internal state
+ cpu_device *m_maincpu;
+
+ devcb_resolved_write_line m_out_int_func;
+ devcb_resolved_write_line m_out_nmi_func;
+
+ device_ecbbus_card_interface *m_ecbbus_device[MAX_ECBBUS_SLOTS];
+ const char *m_cputag;
+};
+
+
+// device type definition
+extern const device_type ECBBUS;
+
+
+// ======================> device_ecbbus_card_interface
+
+// class representing interface-specific live ecbbus card
+class device_ecbbus_card_interface : public device_slot_card_interface
+{
+ friend class ecbbus_device;
+
+public:
+ // construction/destruction
+ device_ecbbus_card_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_ecbbus_card_interface();
+
+ // optional operation overrides
+ virtual UINT8 ecbbus_mem_r(offs_t offset) { return 0; };
+ virtual void ecbbus_mem_w(offs_t offset, UINT8 data) { };
+ virtual UINT8 ecbbus_io_r(offs_t offset) { return 0; };
+ virtual void ecbbus_io_w(offs_t offset, UINT8 data) { };
+
+public:
+ ecbbus_slot_device *m_slot;
+};
+
+
+// slot devices
+#include "grip.h"
+
+SLOT_INTERFACE_EXTERN( ecbbus_cards );
+
+
+
+#endif