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-rw-r--r--src/mess/machine/kcexp.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/src/mess/machine/kcexp.h b/src/mess/machine/kcexp.h
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+++ b/src/mess/machine/kcexp.h
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+/*********************************************************************
+
+ kcexp.h
+
+ KC85_2/3/4/5 expansion slot emulation
+
+*********************************************************************/
+
+#ifndef __KCEXP_H__
+#define __KCEXP_H__
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+// ======================> kcext_interface
+
+struct kcexp_interface
+{
+ devcb_write_line m_out_irq_cb;
+ devcb_write_line m_out_nmi_cb;
+ devcb_write_line m_out_halt_cb;
+};
+
+
+// ======================> device_kcexp_interface
+
+class device_kcexp_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ device_kcexp_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_kcexp_interface();
+
+ // reading and writing
+ virtual UINT8 module_id_r() { return 0xff; }
+ virtual void control_w(UINT8 data) { }
+ virtual void read(offs_t offset, UINT8 &data) { }
+ virtual void write(offs_t offset, UINT8 data) { }
+ virtual void io_read(offs_t offset, UINT8 &data) { }
+ virtual void io_write(offs_t offset, UINT8 data) { }
+ virtual UINT8* get_cart_base() { return NULL; }
+ virtual DECLARE_WRITE_LINE_MEMBER( mei_w ) { };
+};
+
+// ======================> kcexp_slot_device
+
+class kcexp_slot_device : public device_t,
+ public kcexp_interface,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ kcexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ kcexp_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~kcexp_slot_device();
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_config_complete();
+
+ // inline configuration
+ static void static_set_next_slot(device_t &device, const char *next_module_tag);
+
+ // reading and writing
+ virtual UINT8 module_id_r();
+ virtual void control_w(UINT8 data);
+ virtual void read(offs_t offset, UINT8 &data);
+ virtual void write(offs_t offset, UINT8 data);
+ virtual void io_read(offs_t offset, UINT8 &data);
+ virtual void io_write(offs_t offset, UINT8 data);
+ virtual DECLARE_WRITE_LINE_MEMBER( mei_w );
+ virtual DECLARE_WRITE_LINE_MEMBER( meo_w );
+
+ devcb_resolved_write_line m_out_irq_func;
+ devcb_resolved_write_line m_out_nmi_func;
+ devcb_resolved_write_line m_out_halt_func;
+
+ device_kcexp_interface* m_cart;
+
+ const char* m_next_slot_tag;
+ kcexp_slot_device* m_next_slot;
+};
+
+// ======================> kccart_slot_device
+
+class kccart_slot_device : public kcexp_slot_device,
+ public device_image_interface
+{
+public:
+ // construction/destruction
+ kccart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~kccart_slot_device();
+
+ // device-level overrides
+ virtual void device_config_complete();
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry);
+
+ virtual iodevice_t image_type() const { return IO_CARTSLOT; }
+ virtual bool is_readable() const { return 1; }
+ virtual bool is_writeable() const { return 0; }
+ virtual bool is_creatable() const { return 0; }
+ virtual bool must_be_loaded() const { return 0; }
+ virtual bool is_reset_on_load() const { return 1; }
+ virtual const char *image_interface() const { return "kc_cart"; }
+ virtual const char *file_extensions() const { return "bin"; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+
+ // slot interface overrides
+ virtual const char * get_default_card_software(const machine_config &config, emu_options &options);
+};
+
+// device type definition
+extern const device_type KCEXP_SLOT;
+extern const device_type KCCART_SLOT;
+
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_KC85_EXPANSION_ADD(_tag,_next_slot_tag,_config,_slot_intf,_def_slot,_def_inp) \
+ MCFG_DEVICE_ADD(_tag, KCEXP_SLOT, 0) \
+ MCFG_DEVICE_CONFIG(_config) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
+ kcexp_slot_device::static_set_next_slot(*device, _next_slot_tag);
+
+#define MCFG_KC85_CARTRIDGE_ADD(_tag,_next_slot_tag,_config,_slot_intf,_def_slot,_def_inp) \
+ MCFG_DEVICE_ADD(_tag, KCCART_SLOT, 0) \
+ MCFG_DEVICE_CONFIG(_config) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
+ kcexp_slot_device::static_set_next_slot(*device, _next_slot_tag);
+
+#endif /* __KCEXP_H__ */