summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/nubus/nubus.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/nubus/nubus.h')
-rw-r--r--src/devices/bus/nubus/nubus.h177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/devices/bus/nubus/nubus.h b/src/devices/bus/nubus/nubus.h
new file mode 100644
index 00000000000..72bee5f7b84
--- /dev/null
+++ b/src/devices/bus/nubus/nubus.h
@@ -0,0 +1,177 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/***************************************************************************
+
+ nubus.h - NuBus bus and card emulation
+
+ by R. Belmont, based heavily on Miodrag Milanovic's ISA8/16 implementation
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __NUBUS_H__
+#define __NUBUS_H__
+
+#include "emu.h"
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_NUBUS_CPU(_cputag) \
+ nubus_device::static_set_cputag(*device, _cputag);
+
+#define MCFG_NUBUS_OUT_IRQ9_CB(_devcb) \
+ devcb = &nubus_device::set_out_irq9_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_OUT_IRQA_CB(_devcb) \
+ devcb = &nubus_device::set_out_irqa_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_OUT_IRQB_CB(_devcb) \
+ devcb = &nubus_device::set_out_irqb_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_OUT_IRQC_CB(_devcb) \
+ devcb = &nubus_device::set_out_irqc_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_OUT_IRQD_CB(_devcb) \
+ devcb = &nubus_device::set_out_irqd_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_OUT_IRQE_CB(_devcb) \
+ devcb = &nubus_device::set_out_irqe_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_NUBUS_SLOT_ADD(_nbtag, _tag, _slot_intf, _def_slot) \
+ MCFG_DEVICE_ADD(_tag, NUBUS_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
+ nubus_slot_device::static_set_nubus_slot(*device, _nbtag, _tag);
+#define MCFG_NUBUS_SLOT_REMOVE(_tag) \
+ MCFG_DEVICE_REMOVE(_tag)
+
+#define MCFG_NUBUS_ONBOARD_ADD(_nbtag, _tag, _dev_type, _def_inp) \
+ MCFG_DEVICE_ADD(_tag, _dev_type, 0) \
+ MCFG_DEVICE_INPUT_DEFAULTS(_def_inp) \
+ device_nubus_card_interface::static_set_nubus_tag(*device, _nbtag, _tag);
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class nubus_device;
+
+class nubus_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ nubus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ nubus_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_nubus_slot(device_t &device, const char *tag, const char *slottag);
+protected:
+ // configuration
+ const char *m_nubus_tag, *m_nubus_slottag;
+};
+
+// device type definition
+extern const device_type NUBUS_SLOT;
+
+
+class device_nubus_card_interface;
+// ======================> nubus_device
+class nubus_device : public device_t
+{
+public:
+ // construction/destruction
+ nubus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ nubus_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);
+ ~nubus_device() { m_device_list.detach_all(); }
+
+ // inline configuration
+ static void static_set_cputag(device_t &device, const char *tag);
+ template<class _Object> static devcb_base &set_out_irq9_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irq9_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irqa_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irqa_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irqb_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irqb_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irqc_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irqc_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irqd_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irqd_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_irqe_callback(device_t &device, _Object object) { return downcast<nubus_device &>(device).m_out_irqe_cb.set_callback(object); }
+
+ void add_nubus_card(device_nubus_card_interface *card);
+ void install_device(offs_t start, offs_t end, read8_delegate rhandler, write8_delegate whandler, UINT32 mask=0xffffffff);
+ void install_device(offs_t start, offs_t end, read16_delegate rhandler, write16_delegate whandler, UINT32 mask=0xffffffff);
+ void install_device(offs_t start, offs_t end, read32_delegate rhandler, write32_delegate whandler, UINT32 mask=0xffffffff);
+ void install_readonly_device(offs_t start, offs_t end, read32_delegate rhandler, UINT32 mask=0xffffffff);
+ void install_writeonly_device(offs_t start, offs_t end, write32_delegate whandler, UINT32 mask=0xffffffff);
+ void install_bank(offs_t start, offs_t end, offs_t mask, offs_t mirror, const char *tag, UINT8 *data);
+ void set_irq_line(int slot, int state);
+
+ DECLARE_WRITE_LINE_MEMBER( irq9_w );
+ DECLARE_WRITE_LINE_MEMBER( irqa_w );
+ DECLARE_WRITE_LINE_MEMBER( irqb_w );
+ DECLARE_WRITE_LINE_MEMBER( irqc_w );
+ DECLARE_WRITE_LINE_MEMBER( irqd_w );
+ DECLARE_WRITE_LINE_MEMBER( irqe_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // internal state
+ cpu_device *m_maincpu;
+
+ devcb_write_line m_out_irq9_cb;
+ devcb_write_line m_out_irqa_cb;
+ devcb_write_line m_out_irqb_cb;
+ devcb_write_line m_out_irqc_cb;
+ devcb_write_line m_out_irqd_cb;
+ devcb_write_line m_out_irqe_cb;
+
+ simple_list<device_nubus_card_interface> m_device_list;
+ const char *m_cputag;
+};
+
+
+// device type definition
+extern const device_type NUBUS;
+
+// ======================> device_nubus_card_interface
+
+// class representing interface-specific live nubus card
+class device_nubus_card_interface : public device_slot_card_interface
+{
+ friend class nubus_device;
+public:
+ // construction/destruction
+ device_nubus_card_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_nubus_card_interface();
+
+ device_nubus_card_interface *next() const { return m_next; }
+
+ void set_nubus_device();
+
+ // helper functions for card devices
+ void install_declaration_rom(device_t *dev, const char *romregion, bool mirror_all_mb = false, bool reverse_rom = false);
+ void install_bank(offs_t start, offs_t end, offs_t mask, offs_t mirror, const char *tag, UINT8 *data);
+
+ UINT32 get_slotspace() { return 0xf0000000 | (m_slot<<24); }
+ UINT32 get_super_slotspace() { return m_slot<<28; }
+
+ void raise_slot_irq() { m_nubus->set_irq_line(m_slot, ASSERT_LINE); }
+ void lower_slot_irq() { m_nubus->set_irq_line(m_slot, CLEAR_LINE); }
+
+ // inline configuration
+ static void static_set_nubus_tag(device_t &device, const char *tag, const char *slottag);
+public:
+ nubus_device *m_nubus;
+ const char *m_nubus_tag, *m_nubus_slottag;
+ int m_slot;
+ device_nubus_card_interface *m_next;
+ dynamic_buffer m_declaration_rom;
+};
+
+#endif /* __NUBUS_H__ */