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-rw-r--r--src/devices/bus/a2bus/titan3plus2.h64
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diff --git a/src/devices/bus/a2bus/titan3plus2.h b/src/devices/bus/a2bus/titan3plus2.h
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ titan3plus2.h
+
+ Implemention of the Titan /// Plus II card
+
+*********************************************************************/
+
+#ifndef MAME_BUS_A2BUS_TITAN3PLUS2_H
+#define MAME_BUS_A2BUS_TITAN3PLUS2_H
+
+#pragma once
+
+#include "a2bus.h"
+#include "bus/a2gameio/gameio.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class a2bus_titan3plus2_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_titan3plus2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ a2bus_titan3plus2_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+
+ // overrides of standard a2bus slot functions
+ virtual u8 read_inh_rom(u16 offset) override;
+ virtual void write_inh_rom(u16 offset, u8 data) override;
+ virtual bool inh_check(uint16_t offset, bool bIsWrite) override;
+
+private:
+ required_device<apple2_gameio_device> m_gameio;
+
+ u8 read_c08x(u8 offset);
+ void write_c08x(u8 offset, u8 data);
+ u8 read_cnxx(u8 offset) override;
+ void do_io(int offset);
+
+ int m_inh_state;
+ int m_last_offset;
+ int m_dxxx_bank;
+ int m_main_bank;
+ u8 m_ram[128*1024];
+ bool m_enabled;
+
+ double m_joystick_x1_time, m_joystick_y1_time, m_joystick_x2_time, m_joystick_y2_time, m_x_calibration, m_y_calibration;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(A2BUS_TITAN3PLUS2, a2bus_titan3plus2_device)
+
+#endif // MAME_BUS_A2BUS_TITAN3PLUS2_H