222 lines
6.6 KiB
C++
222 lines
6.6 KiB
C++
/*****************************************************************************
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*
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* includes/sms.h
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*
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****************************************************************************/
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#ifndef SMS_H_
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#define SMS_H_
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#define LOG_REG
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#define LOG_PAGING
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#define LOG_COLOR
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#define NVRAM_SIZE (0x08000)
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#define CPU_ADDRESSABLE_SIZE (0x10000)
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#define MAX_CARTRIDGES 16
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#define CONTROL1_TAG "ctrl1"
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#define CONTROL2_TAG "ctrl2"
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#include "bus/sms_ctrl/smsctrl.h"
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#include "bus/sms_exp/smsexp.h"
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#include "bus/sega8/sega8_slot.h"
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class sms_state : public driver_device
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{
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public:
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sms_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_vdp(*this, "sms_vdp"),
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m_ym(*this, "ym2413"),
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m_main_scr(*this, "screen"),
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m_region_maincpu(*this, "maincpu"),
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m_port_ctrl1(*this, CONTROL1_TAG),
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m_port_ctrl2(*this, CONTROL2_TAG),
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m_port_pause(*this, "PAUSE"),
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m_port_reset(*this, "RESET"),
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m_port_start(*this, "START"),
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m_port_scope(*this, "SEGASCOPE"),
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m_port_scope_binocular(*this, "SSCOPE_BINOCULAR"),
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m_port_persist(*this, "PERSISTENCE"),
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m_mainram(NULL),
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m_is_gamegear(0),
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m_is_gg_region_japan(0),
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m_is_smsj(0),
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m_is_mark_iii(0),
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m_is_sdisp(0),
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m_has_bios_0400(0),
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m_has_bios_2000(0),
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m_has_bios_full(0),
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m_has_fm(0),
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m_has_jpn_sms_cart_slot(0),
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m_store_cart_selection_data(0) { }
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// devices
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required_device<cpu_device> m_maincpu;
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required_device<sega315_5124_device> m_vdp;
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optional_device<ym2413_device> m_ym;
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required_device<screen_device> m_main_scr;
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required_memory_region m_region_maincpu;
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optional_device<sms_control_port_device> m_port_ctrl1;
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optional_device<sms_control_port_device> m_port_ctrl2;
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optional_ioport m_port_pause;
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optional_ioport m_port_reset;
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optional_ioport m_port_start;
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optional_ioport m_port_scope;
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optional_ioport m_port_scope_binocular;
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optional_ioport m_port_persist;
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device_t *m_left_lcd;
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device_t *m_right_lcd;
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address_space *m_space;
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UINT8 m_bios_page_count;
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UINT8 m_fm_detect;
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UINT8 m_io_ctrl_reg;
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int m_paused;
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UINT8 m_mem_ctrl_reg;
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UINT8 m_mem_device_enabled;
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UINT8 *m_mainram;
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UINT8 *m_BIOS;
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UINT8 m_mapper[4];
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UINT8 m_port_dc_reg;
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UINT8 m_port_dd_reg;
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UINT8 m_gg_sio[5];
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// [0] for 0x400-0x3fff, [1] for 0x4000-0x7fff, [2] for 0x8000-0xffff, [3] for 0x0000-0x0400
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UINT8 m_bios_page[4];
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// for gamegear LCD persistence hack
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bitmap_rgb32 m_prev_bitmap;
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// for 3D glass binocular hack
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bitmap_rgb32 m_prevleft_bitmap;
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bitmap_rgb32 m_prevright_bitmap;
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// model identifiers
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UINT8 m_is_gamegear;
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UINT8 m_is_gg_region_japan;
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UINT8 m_is_smsj;
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UINT8 m_is_mark_iii;
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UINT8 m_is_sdisp;
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UINT8 m_has_bios_0400;
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UINT8 m_has_bios_2000;
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UINT8 m_has_bios_full;
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UINT8 m_has_fm;
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UINT8 m_has_jpn_sms_cart_slot;
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// Data needed for Light Phaser
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UINT8 m_ctrl1_th_state;
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UINT8 m_ctrl2_th_state;
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UINT8 m_ctrl1_th_latch;
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UINT8 m_ctrl2_th_latch;
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int m_lphaser_x_offs; /* Needed to 'calibrate' lphaser; set at cart loading */
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// Data needed for SegaScope (3D glasses)
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UINT8 m_sscope_state;
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UINT8 m_frame_sscope_state;
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sega8_cart_slot_device *m_cartslot;
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sega8_card_slot_device *m_cardslot;
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sms_expansion_slot_device *m_expslot;
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// these are only used by the Store Display unit, but we keep them here temporarily to avoid the need of separate start/reset
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UINT8 m_store_control;
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UINT8 m_store_cart_selection_data;
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sega8_cart_slot_device *m_slots[16];
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sega8_card_slot_device *m_cards[16];
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void store_select_cart(UINT8 data);
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/* Cartridge slot info */
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DECLARE_WRITE8_MEMBER(sms_fm_detect_w);
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DECLARE_READ8_MEMBER(sms_fm_detect_r);
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DECLARE_WRITE8_MEMBER(sms_io_control_w);
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DECLARE_READ8_MEMBER(sms_count_r);
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DECLARE_READ8_MEMBER(sms_input_port_dc_r);
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DECLARE_READ8_MEMBER(sms_input_port_dd_r);
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DECLARE_WRITE8_MEMBER(sms_ym2413_register_port_w);
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DECLARE_WRITE8_MEMBER(sms_ym2413_data_port_w);
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DECLARE_READ8_MEMBER(gg_input_port_2_r);
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DECLARE_READ8_MEMBER(sms_sscope_r);
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DECLARE_WRITE8_MEMBER(sms_sscope_w);
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DECLARE_READ8_MEMBER(sms_mapper_r);
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DECLARE_READ8_MEMBER(read_0000);
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DECLARE_READ8_MEMBER(read_4000);
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DECLARE_READ8_MEMBER(read_8000);
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DECLARE_READ8_MEMBER(read_ram);
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DECLARE_WRITE8_MEMBER(write_ram);
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DECLARE_WRITE8_MEMBER(write_cart);
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DECLARE_WRITE8_MEMBER(sms_mapper_w);
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DECLARE_WRITE8_MEMBER(sms_mem_control_w);
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DECLARE_WRITE8_MEMBER(gg_sio_w);
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DECLARE_READ8_MEMBER(gg_sio_r);
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DECLARE_DRIVER_INIT(sg1000m3);
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DECLARE_DRIVER_INIT(gamegear);
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DECLARE_DRIVER_INIT(gamegeaj);
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DECLARE_DRIVER_INIT(sms1krfm);
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DECLARE_DRIVER_INIT(sms1kr);
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DECLARE_DRIVER_INIT(smskr);
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DECLARE_DRIVER_INIT(smsj);
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DECLARE_DRIVER_INIT(sms1);
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DECLARE_MACHINE_START(sms);
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DECLARE_MACHINE_RESET(sms);
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DECLARE_VIDEO_START(gamegear);
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DECLARE_VIDEO_START(sms1);
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DECLARE_VIDEO_RESET(sms1);
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UINT32 screen_update_gamegear(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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UINT32 screen_update_sms(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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UINT32 screen_update_sms1(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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void screen_vblank_sms1(screen_device &screen, bool state);
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DECLARE_WRITE_LINE_MEMBER(sms_int_callback);
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DECLARE_WRITE_LINE_MEMBER(sms_pause_callback);
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DECLARE_READ32_MEMBER(sms_pixel_color);
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DECLARE_WRITE_LINE_MEMBER(sms_ctrl1_th_input);
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DECLARE_WRITE_LINE_MEMBER(sms_ctrl2_th_input);
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protected:
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UINT8 read_bus(address_space &space, unsigned int bank, UINT16 base_addr, UINT16 offset);
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void setup_bios();
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void setup_media_slots();
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void setup_enabled_slots();
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void lphaser_hcount_latch();
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void sms_get_inputs(address_space &space);
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};
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class smssdisp_state : public sms_state
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{
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public:
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smssdisp_state(const machine_config &mconfig, device_type type, const char *tag)
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: sms_state(mconfig, type, tag),
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m_control_cpu(*this, "control")
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{ }
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required_device<cpu_device> m_control_cpu;
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DECLARE_READ8_MEMBER(sms_store_cart_select_r);
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DECLARE_WRITE8_MEMBER(sms_store_cart_select_w);
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DECLARE_WRITE8_MEMBER(sms_store_control_w);
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DECLARE_DRIVER_INIT(smssdisp);
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DECLARE_READ8_MEMBER(store_cart_peek);
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DECLARE_WRITE_LINE_MEMBER(sms_store_int_callback);
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};
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/*----------- defined in machine/sms.c -----------*/
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#define IO_EXPANSION (0x80) /* Expansion slot enable (1= disabled, 0= enabled) */
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#define IO_CARTRIDGE (0x40) /* Cartridge slot enable (1= disabled, 0= enabled) */
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#define IO_CARD (0x20) /* Card slot disabled (1= disabled, 0= enabled) */
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#define IO_WORK_RAM (0x10) /* Work RAM disabled (1= disabled, 0= enabled) */
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#define IO_BIOS_ROM (0x08) /* BIOS ROM disabled (1= disabled, 0= enabled) */
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#define IO_CHIP (0x04) /* I/O chip disabled (1= disabled, 0= enabled) */
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#endif /* SMS_H_ */
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