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-rw-r--r--src/mess/machine/coco_multi.h65
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diff --git a/src/mess/machine/coco_multi.h b/src/mess/machine/coco_multi.h
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+/***************************************************************************
+
+ coco_multi.h
+
+ Multi-Pak interface emulation
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __COCO_MULTI_H__
+#define __COCO_MULTI_H__
+
+#include "emu.h"
+#include "machine/cococart.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> coco_multipak_device
+
+class coco_multipak_device :
+ public device_t,
+ public device_cococart_interface
+{
+public:
+ // construction/destruction
+ coco_multipak_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ virtual UINT8* get_cart_base();
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "coco_multipak"; }
+ virtual DECLARE_READ8_MEMBER(read);
+ virtual DECLARE_WRITE8_MEMBER(write);
+
+private:
+ // device references
+ cococart_slot_device *m_owner;
+ cococart_slot_device *m_slots[4];
+
+ // internal state
+ UINT8 m_select;
+
+ // methods
+ WRITE8_MEMBER(ff7f_write);
+ cococart_slot_device *active_scs_slot(void);
+ cococart_slot_device *active_cts_slot(void);
+ void set_select(UINT8 new_select);
+};
+
+
+// device type definition
+extern const device_type COCO_MULTIPAK;
+
+#endif /* __COCO_MULTI_H__ */