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-rw-r--r--src/devices/bus/bml3/bml3bus.h153
1 files changed, 153 insertions, 0 deletions
diff --git a/src/devices/bus/bml3/bml3bus.h b/src/devices/bus/bml3/bml3bus.h
new file mode 100644
index 00000000000..63da81fd1fc
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+++ b/src/devices/bus/bml3/bml3bus.h
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+// license:GPL-2.0+
+// copyright-holders:Jonathan Edwards
+/***************************************************************************
+
+ bml3bus.h - Hitachi MB-6890 slot bus and card emulation
+
+ Adapted from a2bus by Jonathan Edwards
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __BML3BUS_H__
+#define __BML3BUS_H__
+
+#include "emu.h"
+
+#define BML3BUS_MAX_SLOTS 6
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_BML3BUS_CPU(_cputag) \
+ bml3bus_device::static_set_cputag(*device, _cputag);
+
+#define MCFG_BML3BUS_OUT_NMI_CB(_devcb) \
+ devcb = &bml3bus_device::set_out_nmi_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_BML3BUS_OUT_IRQ_CB(_devcb) \
+ devcb = &bml3bus_device::set_out_irq_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_BML3BUS_OUT_FIRQ_CB(_devcb) \
+ devcb = &bml3bus_device::set_out_firq_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_BML3BUS_SLOT_ADD(_nbtag, _tag, _slot_intf, _def_slot) \
+ MCFG_DEVICE_ADD(_tag, BML3BUS_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
+ bml3bus_slot_device::static_set_bml3bus_slot(*device, _nbtag, _tag);
+#define MCFG_BML3BUS_SLOT_REMOVE(_tag) \
+ MCFG_DEVICE_REMOVE(_tag)
+
+#define MCFG_BML3BUS_ONBOARD_ADD(_nbtag, _tag, _dev_type) \
+ MCFG_DEVICE_ADD(_tag, _dev_type, 0) \
+ device_bml3bus_card_interface::static_set_bml3bus_tag(*device, _nbtag, _tag);
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class bml3bus_device;
+
+class bml3bus_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ bml3bus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ bml3bus_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+
+ // device-level overrides
+ virtual void device_start();
+
+ // inline configuration
+ static void static_set_bml3bus_slot(device_t &device, const char *tag, const char *slottag);
+protected:
+ // configuration
+ const char *m_bml3bus_tag, *m_bml3bus_slottag;
+};
+
+// device type definition
+extern const device_type BML3BUS_SLOT;
+
+
+class device_bml3bus_card_interface;
+// ======================> bml3bus_device
+class bml3bus_device : public device_t
+{
+public:
+ // construction/destruction
+ bml3bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ bml3bus_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+
+ // inline configuration
+ static void static_set_cputag(device_t &device, const char *tag);
+ template<class _Object> static devcb_base &set_out_nmi_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_nmi_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_irq_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_firq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_firq_cb.set_callback(object); }
+
+ void add_bml3bus_card(int slot, device_bml3bus_card_interface *card);
+ device_bml3bus_card_interface *get_bml3bus_card(int slot);
+
+ void set_nmi_line(int state);
+ void set_irq_line(int state);
+ void set_firq_line(int state);
+
+ DECLARE_WRITE_LINE_MEMBER( nmi_w );
+ DECLARE_WRITE_LINE_MEMBER( irq_w );
+ DECLARE_WRITE_LINE_MEMBER( firq_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // internal state
+ cpu_device *m_maincpu;
+
+ devcb_write_line m_out_nmi_cb;
+ devcb_write_line m_out_irq_cb;
+ devcb_write_line m_out_firq_cb;
+
+ device_bml3bus_card_interface *m_device_list[BML3BUS_MAX_SLOTS];
+ const char *m_cputag;
+};
+
+
+// device type definition
+extern const device_type BML3BUS;
+
+// ======================> device_bml3bus_card_interface
+
+// class representing interface-specific live bml3bus card
+class device_bml3bus_card_interface : public device_slot_card_interface
+{
+ friend class bml3bus_device;
+public:
+ // construction/destruction
+ device_bml3bus_card_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_bml3bus_card_interface();
+
+ device_bml3bus_card_interface *next() const { return m_next; }
+
+ void set_bml3bus_device();
+
+ void raise_slot_nmi() { m_bml3bus->set_nmi_line(ASSERT_LINE); }
+ void lower_slot_nmi() { m_bml3bus->set_nmi_line(CLEAR_LINE); }
+ void raise_slot_irq() { m_bml3bus->set_irq_line(ASSERT_LINE); }
+ void lower_slot_irq() { m_bml3bus->set_irq_line(CLEAR_LINE); }
+ void raise_slot_firq() { m_bml3bus->set_firq_line(ASSERT_LINE); }
+ void lower_slot_firq() { m_bml3bus->set_firq_line(CLEAR_LINE); }
+
+ // inline configuration
+ static void static_set_bml3bus_tag(device_t &device, const char *tag, const char *slottag);
+public:
+ bml3bus_device *m_bml3bus;
+ const char *m_bml3bus_tag, *m_bml3bus_slottag;
+ int m_slot;
+ device_bml3bus_card_interface *m_next;
+};
+
+#endif /* __BML3BUS_H__ */