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diff --git a/src/emu/driver.bak.h b/src/emu/driver.bak.h
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+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+/***************************************************************************
+
+ driver.h
+
+ Core driver device base class.
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __EMU_H__
+#error Dont include this file directly; include emu.h instead.
+#endif
+
+#ifndef MAME_EMU_DRIVER_H
+#define MAME_EMU_DRIVER_H
+
+
+//**************************************************************************
+// CONFIGURATION MACROS
+//**************************************************************************
+
+// HBMAME start
+// core machine callbacks
+#define MCFG_MACHINE_START_OVERRIDE(_class, _func) \
+ driver_device::static_set_callback(config.root_device(), driver_device::CB_MACHINE_START, driver_callback_delegate(&_class::MACHINE_START_NAME(_func), this));
+
+#define MCFG_MACHINE_RESET_OVERRIDE(_class, _func) \
+ driver_device::static_set_callback(config.root_device(), driver_device::CB_MACHINE_RESET, driver_callback_delegate(&_class::MACHINE_RESET_NAME(_func), this));
+
+// core video callbacks
+#define MCFG_VIDEO_START_OVERRIDE(_class, _func) \
+ driver_device::static_set_callback(config.root_device(), driver_device::CB_VIDEO_START, driver_callback_delegate(&_class::VIDEO_START_NAME(_func), this));
+// HBMAME end
+
+//**************************************************************************
+// OTHER MACROS
+//**************************************************************************
+
+// HBMAME start
+#define MACHINE_START_NAME(name) machine_start_##name
+#define MACHINE_START_CALL_MEMBER(name) MACHINE_START_NAME(name)()
+#define DECLARE_MACHINE_START(name) void MACHINE_START_NAME(name)() ATTR_COLD
+#define MACHINE_START_MEMBER(cls,name) void cls::MACHINE_START_NAME(name)()
+
+#define MACHINE_RESET_NAME(name) machine_reset_##name
+#define MACHINE_RESET_CALL_MEMBER(name) MACHINE_RESET_NAME(name)()
+#define DECLARE_MACHINE_RESET(name) void MACHINE_RESET_NAME(name)()
+#define MACHINE_RESET_MEMBER(cls,name) void cls::MACHINE_RESET_NAME(name)()
+
+#define VIDEO_START_NAME(name) video_start_##name
+#define VIDEO_START_CALL_MEMBER(name) VIDEO_START_NAME(name)()
+#define DECLARE_VIDEO_START(name) void VIDEO_START_NAME(name)() ATTR_COLD
+#define VIDEO_START_MEMBER(cls,name) void cls::VIDEO_START_NAME(name)()
+// HBMAME end
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// forward declarations
+typedef delegate<void ()> driver_callback_delegate;
+
+
+// ======================> driver_device
+
+// base class for machine driver-specific devices
+class driver_device : public device_t
+{
+public:
+ // construction/destruction
+ driver_device(const machine_config &mconfig, device_type type, const char *tag);
+ virtual ~driver_device();
+
+ // getters
+ const game_driver &system() const { assert(m_system != nullptr); return *m_system; }
+
+ // indexes into our generic callbacks
+ enum callback_type
+ {
+ CB_MACHINE_START,
+ CB_MACHINE_RESET,
+ CB_SOUND_START,
+ CB_SOUND_RESET,
+ CB_VIDEO_START,
+ CB_VIDEO_RESET,
+ CB_COUNT
+ };
+
+ // inline configuration helpers
+ void set_game_driver(const game_driver &game);
+ static void static_set_callback(device_t &device, callback_type type, driver_callback_delegate callback);
+ static void set_machine_start_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_MACHINE_START, callback); }
+ static void set_machine_reset_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_MACHINE_RESET, callback); }
+ static void set_sound_start_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_SOUND_START, callback); }
+ static void set_sound_reset_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_SOUND_RESET, callback); }
+ static void set_video_start_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_VIDEO_START, callback); }
+ static void set_video_reset_cb(machine_config &config, driver_callback_delegate callback) { static_set_callback(config.root_device(), CB_VIDEO_RESET, callback); }
+ static void remove_machine_reset_cb(machine_config &config) { static_set_callback(config.root_device(), CB_MACHINE_RESET, driver_callback_delegate()); }
+
+ // dummy driver_init callback
+ void empty_init();
+ void init_0() { } // HBMAME
+
+ // memory helpers
+ address_space &generic_space() const { return machine().dummy_space(); }
+
+ // output heler
+ output_manager &output() const { return machine().output(); }
+
+ void nmi_line_pulse(device_t &device);
+ void nmi_line_assert(device_t &device);
+
+ void irq0_line_hold(device_t &device);
+ void irq0_line_assert(device_t &device);
+
+ void irq1_line_hold(device_t &device);
+ void irq1_line_assert(device_t &device);
+
+ void irq2_line_hold(device_t &device);
+ void irq2_line_assert(device_t &device);
+
+ void irq3_line_hold(device_t &device);
+ void irq3_line_assert(device_t &device);
+
+ void irq4_line_hold(device_t &device);
+ void irq4_line_assert(device_t &device);
+
+ void irq5_line_hold(device_t &device);
+ void irq5_line_assert(device_t &device);
+
+ void irq6_line_hold(device_t &device);
+ void irq6_line_assert(device_t &device);
+
+ void irq7_line_hold(device_t &device);
+ void irq7_line_assert(device_t &device);
+
+
+ // generic input port helpers
+ DECLARE_CUSTOM_INPUT_MEMBER( custom_port_read );
+
+ virtual void driver_init();
+
+protected:
+ // helpers called at startup
+ virtual void driver_start();
+ virtual void machine_start();
+ virtual void sound_start();
+ virtual void video_start();
+
+ // helpers called at reset
+ virtual void driver_reset();
+ virtual void machine_reset();
+ virtual void sound_reset();
+ virtual void video_reset();
+
+ // device-level overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_start() override;
+ virtual void device_reset_after_children() override;
+
+ // generic video
+ void flip_screen_set(u32 on);
+ void flip_screen_x_set(u32 on);
+ void flip_screen_y_set(u32 on);
+ u32 flip_screen() const { return m_flip_screen_x; }
+ u32 flip_screen_x() const { return m_flip_screen_x; }
+ u32 flip_screen_y() const { return m_flip_screen_y; }
+
+private:
+ // helpers
+ void updateflip();
+
+ // internal state
+ const game_driver *m_system; // pointer to the game driver
+ driver_callback_delegate m_callbacks[CB_COUNT]; // start/reset callbacks
+
+ // generic video
+ u8 m_flip_screen_x;
+ u8 m_flip_screen_y;
+};
+
+
+#endif /* MAME_EMU_DRIVER_H */