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-rw-r--r--src/devices/bus/pet/superpet.h80
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diff --git a/src/devices/bus/pet/superpet.h b/src/devices/bus/pet/superpet.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Commodore SuperPET emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __SUPERPET__
+#define __SUPERPET__
+
+#include "exp.h"
+#include "machine/mos6551.h"
+#include "machine/mos6702.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> superpet_device
+
+class superpet_device : public device_t,
+ public device_pet_expansion_card_interface
+{
+public:
+ // construction/destruction
+ superpet_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_READ8_MEMBER( read );
+ DECLARE_WRITE8_MEMBER( write );
+ DECLARE_WRITE_LINE_MEMBER( acia_irq_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_pet_expansion_card_interface overrides
+ virtual int pet_norom_r(address_space &space, offs_t offset, int sel);
+ virtual UINT8 pet_bd_r(address_space &space, offs_t offset, UINT8 data, int &sel);
+ virtual void pet_bd_w(address_space &space, offs_t offset, UINT8 data, int &sel);
+ virtual int pet_diag_r();
+ virtual void pet_irq_w(int state);
+
+private:
+ required_device<cpu_device> m_maincpu;
+ required_device<mos6551_device> m_acia;
+ required_device<mos6702_device> m_dongle;
+ required_memory_region m_rom;
+ optional_shared_ptr<UINT8> m_ram;
+ required_ioport m_io_sw1;
+ required_ioport m_io_sw2;
+
+ inline void update_cpu();
+ inline bool is_ram_writable();
+
+ UINT8 m_system;
+ UINT8 m_bank;
+ UINT8 m_sw1;
+ UINT8 m_sw2;
+ int m_sel9_rom;
+ int m_pet_irq;
+ int m_acia_irq;
+};
+
+
+// device type definition
+extern const device_type SUPERPET;
+
+
+#endif