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-rw-r--r--src/devices/bus/apricot/expansion.h208
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diff --git a/src/devices/bus/apricot/expansion.h b/src/devices/bus/apricot/expansion.h
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+// license:GPL-2.0+
+// copyright-holders:Dirk Best
+/***************************************************************************
+
+ ACT Apricot Expansion Slot
+
+ A B
+
+ -12V 32 +12V
+ +5V 31 +5V
+ DB0 30 DB1
+ DB2 29 DB3
+ DB4 28 DB5
+ DB6 27 DB7
+ AB10 26 AB9
+ AB11 25 AB12
+ /AMWC 24 /MRDC
+ /DMA2 23 DT/R
+ /DMA1 22 /IORC
+ /MWTC 21 /RES
+ /IOWC 20 /AIOWC
+ GND 19 GND
+ /CLK5 18 DEN
+ /IRDY 17 /MRDY
+ /EXT1 16 /EXT2
+ /INT3 15 /ALE
+ AB6 14 /INT2
+ AB8 13 AB7
+ DB9 12 DB8
+ DB11 11 DB10
+ DB13 10 DB12
+ DB15 9 DB14
+ AB2 8 AB1
+ AB4 7 AB3
+ AB0 6 AB5
+ AB14 5 AB13
+ AB15 4 AB16
+ AB17 3 AB18
+ AB19 2 /BHE
+ NMI 1 CLK15
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __APRICOT_EXPANSION_H__
+#define __APRICOT_EXPANSION_H__
+
+#include "emu.h"
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_EXPANSION_ADD(_tag, _cpu_tag) \
+ MCFG_DEVICE_ADD(_tag, APRICOT_EXPANSION_BUS, 0) \
+ apricot_expansion_bus_device::set_cpu_tag(*device, owner, _cpu_tag);
+
+#define MCFG_EXPANSION_IOP_ADD(_tag) \
+ apricot_expansion_bus_device::set_iop_tag(*device, owner, _tag);
+
+#define MCFG_EXPANSION_SLOT_ADD(_tag, _slot_intf, _def_slot) \
+ MCFG_DEVICE_ADD(_tag, APRICOT_EXPANSION_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
+
+#define MCFG_EXPANSION_DMA1_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_dma1_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_EXPANSION_DMA2_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_dma2_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_EXPANSION_EXT1_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_ext1_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_EXPANSION_EXT2_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_ext2_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_EXPANSION_INT2_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_int2_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_EXPANSION_INT3_HANDLER(_devcb) \
+ devcb = &apricot_expansion_bus_device::set_int3_handler(*device, DEVCB_##_devcb);
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// forward declaration
+class device_apricot_expansion_card_interface;
+
+
+// ======================> apricot_expansion_slot_device
+
+class apricot_expansion_slot_device : public device_t, public device_slot_interface
+{
+public:
+ // construction/destruction
+ apricot_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ apricot_expansion_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();
+};
+
+// device type definition
+extern const device_type APRICOT_EXPANSION_SLOT;
+
+
+// ======================> apricot_expansion_bus_device
+
+class apricot_expansion_bus_device : public device_t
+{
+public:
+ // construction/destruction
+ apricot_expansion_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~apricot_expansion_bus_device();
+
+ template<class _Object> static devcb_base &set_dma1_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_dma1_handler.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_dma2_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_dma2_handler.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_ext1_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_ext1_handler.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_ext2_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_ext2_handler.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_int2_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_int2_handler.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_int3_handler(device_t &device, _Object object)
+ { return downcast<apricot_expansion_bus_device &>(device).m_int3_handler.set_callback(object); }
+
+ // inline configuration
+ static void set_cpu_tag(device_t &device, device_t *owner, const char *tag);
+ static void set_iop_tag(device_t &device, device_t *owner, const char *tag);
+
+ void add_card(device_apricot_expansion_card_interface *card);
+
+ // from cards
+ DECLARE_WRITE_LINE_MEMBER( dma1_w );
+ DECLARE_WRITE_LINE_MEMBER( dma2_w );
+ DECLARE_WRITE_LINE_MEMBER( ext1_w );
+ DECLARE_WRITE_LINE_MEMBER( ext2_w );
+ DECLARE_WRITE_LINE_MEMBER( int2_w );
+ DECLARE_WRITE_LINE_MEMBER( int3_w );
+
+ void install_ram(offs_t addrstart, offs_t addrend, void *baseptr);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+private:
+ simple_list<device_apricot_expansion_card_interface> m_dev;
+
+ // address spaces we have access to
+ address_space *m_program;
+ address_space *m_io;
+ address_space *m_program_iop;
+ address_space *m_io_iop;
+
+ devcb_write_line m_dma1_handler;
+ devcb_write_line m_dma2_handler;
+ devcb_write_line m_ext1_handler;
+ devcb_write_line m_ext2_handler;
+ devcb_write_line m_int2_handler;
+ devcb_write_line m_int3_handler;
+
+ // configuration
+ const char *m_cpu_tag;
+ const char *m_iop_tag;
+};
+
+// device type definition
+extern const device_type APRICOT_EXPANSION_BUS;
+
+
+// ======================> device_apricot_expansion_card_interface
+
+class device_apricot_expansion_card_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ device_apricot_expansion_card_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_apricot_expansion_card_interface();
+
+ void set_bus_device(apricot_expansion_bus_device *bus);
+
+ device_apricot_expansion_card_interface *next() const { return m_next; }
+ device_apricot_expansion_card_interface *m_next;
+
+protected:
+ apricot_expansion_bus_device *m_bus;
+};
+
+
+// include here so drivers don't need to
+#include "cards.h"
+
+
+#endif // __APRICOT_EXPANSION_H__