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diff --git a/src/mame/includes/sms.h b/src/mame/includes/sms.h
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+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol, Charles MacDonald,Mathis Rosenhauer,Brad Oliver,Michael Luong,Fabio Priuli,Enik Land
+/*****************************************************************************
+ *
+ * includes/sms.h
+ *
+ ****************************************************************************/
+
+#ifndef SMS_H_
+#define SMS_H_
+
+#define LOG_REG
+#define LOG_PAGING
+#define LOG_COLOR
+
+#define NVRAM_SIZE (0x08000)
+#define CPU_ADDRESSABLE_SIZE (0x10000)
+
+#define MAX_CARTRIDGES 16
+
+#define CONTROL1_TAG "ctrl1"
+#define CONTROL2_TAG "ctrl2"
+
+#include "bus/sega8/sega8_slot.h"
+#include "bus/sms_exp/smsexp.h"
+#include "bus/sms_ctrl/smsctrl.h"
+#include "bus/gamegear/ggext.h"
+
+
+class sms_state : public driver_device
+{
+public:
+ sms_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_vdp(*this, "sms_vdp"),
+ m_main_scr(*this, "screen"),
+ m_psg_sms(*this, "segapsg"),
+ m_psg_gg(*this, "gamegear"),
+ m_ym(*this, "ym2413"),
+ m_port_ctrl1(*this, CONTROL1_TAG),
+ m_port_ctrl2(*this, CONTROL2_TAG),
+ m_port_gg_ext(*this, "ext"),
+ m_port_gg_dc(*this, "GG_PORT_DC"),
+ m_port_pause(*this, "PAUSE"),
+ m_port_reset(*this, "RESET"),
+ m_port_start(*this, "START"),
+ m_port_scope(*this, "SEGASCOPE"),
+ m_port_scope_binocular(*this, "SSCOPE_BINOCULAR"),
+ m_port_persist(*this, "PERSISTENCE"),
+ m_region_maincpu(*this, "maincpu"),
+ m_mainram(NULL),
+ m_is_gamegear(0),
+ m_is_gg_region_japan(0),
+ m_is_smsj(0),
+ m_is_mark_iii(0),
+ m_is_sdisp(0),
+ m_has_bios_0400(0),
+ m_has_bios_2000(0),
+ m_has_bios_full(0),
+ m_has_fm(0),
+ m_has_jpn_sms_cart_slot(0),
+ m_store_cart_selection_data(0) { }
+
+ // devices
+ required_device<cpu_device> m_maincpu;
+ required_device<sega315_5124_device> m_vdp;
+ required_device<screen_device> m_main_scr;
+ optional_device<segapsg_device> m_psg_sms;
+ optional_device<gamegear_device> m_psg_gg;
+ optional_device<ym2413_device> m_ym;
+ optional_device<sms_control_port_device> m_port_ctrl1;
+ optional_device<sms_control_port_device> m_port_ctrl2;
+ optional_device<gg_ext_port_device> m_port_gg_ext;
+
+ optional_ioport m_port_gg_dc;
+ optional_ioport m_port_pause;
+ optional_ioport m_port_reset;
+ optional_ioport m_port_start;
+ optional_ioport m_port_scope;
+ optional_ioport m_port_scope_binocular;
+ optional_ioport m_port_persist;
+
+ required_memory_region m_region_maincpu;
+ address_space *m_space;
+ UINT8 *m_mainram;
+ UINT8 *m_BIOS;
+
+ // for 3D glass binocular hack
+ device_t *m_left_lcd;
+ device_t *m_right_lcd;
+ bitmap_rgb32 m_prevleft_bitmap;
+ bitmap_rgb32 m_prevright_bitmap;
+
+ // for gamegear LCD persistence hack
+ bitmap_rgb32 m_prev_bitmap;
+ bool m_prev_bitmap_copied;
+
+ // for gamegear SMS mode scaling
+ bitmap_rgb32 m_gg_sms_mode_bitmap;
+ // line_buffer will be used to hold 4 lines of line data as a kind of cache for
+ // vertical scaling in the gamegear sms compatibility mode.
+ int *m_line_buffer;
+
+ // model identifiers
+ UINT8 m_is_gamegear;
+ UINT8 m_is_gg_region_japan;
+ UINT8 m_is_smsj;
+ UINT8 m_is_mark_iii;
+ UINT8 m_is_sdisp;
+ UINT8 m_has_bios_0400;
+ UINT8 m_has_bios_2000;
+ UINT8 m_has_bios_full;
+ UINT8 m_has_fm;
+ UINT8 m_has_jpn_sms_cart_slot;
+
+ // [0] for 0x400-0x3fff, [1] for 0x4000-0x7fff, [2] for 0x8000-0xffff, [3] for 0x0000-0x0400
+ UINT8 m_bios_page[4];
+
+ UINT8 m_bios_page_count;
+ UINT8 m_mapper[4];
+ UINT8 m_io_ctrl_reg;
+ UINT8 m_mem_ctrl_reg;
+ UINT8 m_mem_device_enabled;
+ UINT8 m_audio_control;
+ UINT8 m_port_dc_reg;
+ UINT8 m_port_dd_reg;
+ UINT8 m_gg_sio[5];
+ int m_paused;
+
+ UINT8 m_ctrl1_th_state;
+ UINT8 m_ctrl2_th_state;
+ UINT8 m_ctrl1_th_latch;
+ UINT8 m_ctrl2_th_latch;
+
+ // Data needed for Light Phaser
+ int m_lphaser_x_offs; /* Needed to 'calibrate' lphaser; set at cart loading */
+
+ // Data needed for SegaScope (3D glasses)
+ UINT8 m_sscope_state;
+ UINT8 m_frame_sscope_state;
+
+ // slot devices
+ sega8_cart_slot_device *m_cartslot;
+ sega8_card_slot_device *m_cardslot;
+ sms_expansion_slot_device *m_expslot;
+
+ // these are only used by the Store Display unit, but we keep them here temporarily to avoid the need of separate start/reset
+ sega8_cart_slot_device *m_slots[16];
+ sega8_card_slot_device *m_cards[16];
+ UINT8 m_store_control;
+ UINT8 m_store_cart_selection_data;
+ void store_post_load();
+ void store_select_cart(UINT8 data);
+
+ DECLARE_READ8_MEMBER(read_0000);
+ DECLARE_READ8_MEMBER(read_4000);
+ DECLARE_READ8_MEMBER(read_8000);
+ DECLARE_READ8_MEMBER(read_ram);
+ DECLARE_WRITE8_MEMBER(write_ram);
+ DECLARE_WRITE8_MEMBER(write_cart);
+
+ DECLARE_READ8_MEMBER(sms_mapper_r);
+ DECLARE_WRITE8_MEMBER(sms_mapper_w);
+ DECLARE_WRITE8_MEMBER(sms_mem_control_w);
+ DECLARE_WRITE8_MEMBER(sms_io_control_w);
+ DECLARE_READ8_MEMBER(sms_count_r);
+ DECLARE_READ8_MEMBER(sms_input_port_dc_r);
+ DECLARE_READ8_MEMBER(sms_input_port_dd_r);
+ DECLARE_READ8_MEMBER(gg_input_port_00_r);
+ DECLARE_READ8_MEMBER(gg_sio_r);
+ DECLARE_WRITE8_MEMBER(gg_sio_w);
+ DECLARE_WRITE8_MEMBER(gg_psg_stereo_w);
+ DECLARE_WRITE8_MEMBER(gg_psg_w);
+ DECLARE_WRITE8_MEMBER(sms_psg_w);
+ DECLARE_READ8_MEMBER(sms_audio_control_r);
+ DECLARE_WRITE8_MEMBER(sms_audio_control_w);
+ DECLARE_WRITE8_MEMBER(sms_ym2413_register_port_w);
+ DECLARE_WRITE8_MEMBER(sms_ym2413_data_port_w);
+ DECLARE_READ8_MEMBER(sms_sscope_r);
+ DECLARE_WRITE8_MEMBER(sms_sscope_w);
+
+ DECLARE_WRITE_LINE_MEMBER(sms_int_callback);
+ DECLARE_WRITE_LINE_MEMBER(sms_pause_callback);
+ DECLARE_WRITE_LINE_MEMBER(sms_ctrl1_th_input);
+ DECLARE_WRITE_LINE_MEMBER(sms_ctrl2_th_input);
+ DECLARE_WRITE_LINE_MEMBER(gg_ext_th_input);
+ DECLARE_READ32_MEMBER(sms_pixel_color);
+
+ DECLARE_DRIVER_INIT(sg1000m3);
+ DECLARE_DRIVER_INIT(gamegear);
+ DECLARE_DRIVER_INIT(gamegeaj);
+ DECLARE_DRIVER_INIT(sms1krfm);
+ DECLARE_DRIVER_INIT(sms1kr);
+ DECLARE_DRIVER_INIT(smskr);
+ DECLARE_DRIVER_INIT(smsj);
+ DECLARE_DRIVER_INIT(sms1);
+ DECLARE_MACHINE_START(sms);
+ DECLARE_MACHINE_RESET(sms);
+ DECLARE_VIDEO_START(gamegear);
+ DECLARE_VIDEO_RESET(gamegear);
+ DECLARE_VIDEO_START(sms1);
+ DECLARE_VIDEO_RESET(sms1);
+
+ UINT32 screen_update_sms(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ UINT32 screen_update_sms1(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ UINT32 screen_update_gamegear(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ void screen_gg_sms_mode_scaling(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ void screen_vblank_sms1(screen_device &screen, bool state);
+
+protected:
+ UINT8 read_bus(address_space &space, unsigned int bank, UINT16 base_addr, UINT16 offset);
+ void setup_bios();
+ void setup_media_slots();
+ void setup_enabled_slots();
+ void lphaser_hcount_latch();
+ void sms_get_inputs();
+};
+
+class smssdisp_state : public sms_state
+{
+public:
+ smssdisp_state(const machine_config &mconfig, device_type type, const char *tag)
+ : sms_state(mconfig, type, tag),
+ m_control_cpu(*this, "control")
+ { }
+
+ required_device<cpu_device> m_control_cpu;
+
+ DECLARE_READ8_MEMBER(sms_store_cart_select_r);
+ DECLARE_WRITE8_MEMBER(sms_store_cart_select_w);
+ DECLARE_WRITE8_MEMBER(sms_store_control_w);
+ DECLARE_DRIVER_INIT(smssdisp);
+
+ DECLARE_READ8_MEMBER(store_cart_peek);
+
+ DECLARE_WRITE_LINE_MEMBER(sms_store_int_callback);
+};
+
+
+/*----------- defined in machine/sms.c -----------*/
+
+#define IO_EXPANSION (0x80) /* Expansion slot enable (1= disabled, 0= enabled) */
+#define IO_CARTRIDGE (0x40) /* Cartridge slot enable (1= disabled, 0= enabled) */
+#define IO_CARD (0x20) /* Card slot disabled (1= disabled, 0= enabled) */
+#define IO_WORK_RAM (0x10) /* Work RAM disabled (1= disabled, 0= enabled) */
+#define IO_BIOS_ROM (0x08) /* BIOS ROM disabled (1= disabled, 0= enabled) */
+#define IO_CHIP (0x04) /* I/O chip disabled (1= disabled, 0= enabled) */
+
+#endif /* SMS_H_ */