// license:BSD-3-Clause // copyright-holders:Philip Bennett,Carlos A. Lozano, Rob Rosenbrock, Phil Stroffolino, Ernesto Corvi, David Haywood, R. Belmont /************************************************************************* Double Dragon & Double Dragon II (but also China Gate) *************************************************************************/ #include "cpu/m6805/m68705.h" #include "machine/gen_latch.h" #include "machine/timer.h" #include "sound/msm5205.h" #include "screen.h" class ddragon_state : public driver_device { public: ddragon_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_rambase(*this, "rambase") , m_bgvideoram(*this, "bgvideoram") , m_fgvideoram(*this, "fgvideoram") , m_comram(*this, "comram") , m_spriteram(*this, "spriteram") , m_scrollx_lo(*this, "scrollx_lo") , m_scrolly_lo(*this, "scrolly_lo") , m_maincpu(*this, "maincpu") , m_soundcpu(*this, "soundcpu") , m_subcpu(*this, "sub") , m_adpcm1(*this, "adpcm1") , m_adpcm2(*this, "adpcm2") , m_gfxdecode(*this, "gfxdecode") , m_screen(*this, "screen") , m_palette(*this, "palette") , m_soundlatch(*this, "soundlatch") { } /* memory pointers */ optional_shared_ptr m_rambase; required_shared_ptr m_bgvideoram; required_shared_ptr m_fgvideoram; optional_shared_ptr m_comram; required_shared_ptr m_spriteram; required_shared_ptr m_scrollx_lo; required_shared_ptr m_scrolly_lo; /* video-related */ tilemap_t *m_fg_tilemap; tilemap_t *m_bg_tilemap; uint8_t m_technos_video_hw; uint8_t m_scrollx_hi; uint8_t m_scrolly_hi; /* misc */ uint8_t m_ddragon_sub_port; uint8_t m_sprite_irq; uint8_t m_ym_irq; uint8_t m_adpcm_sound_irq; uint32_t m_adpcm_pos[2]; uint32_t m_adpcm_end[2]; uint8_t m_adpcm_idle[2]; int m_adpcm_data[2]; /* for Sai Yu Gou Ma Roku */ int m_adpcm_addr; int m_i8748_P1; int m_i8748_P2; int m_pcm_shift; int m_pcm_nibble; int m_mcu_command; #if 0 int m_m5205_clk; #endif /* devices */ required_device m_maincpu; required_device m_soundcpu; optional_device m_subcpu; optional_device m_adpcm1; optional_device m_adpcm2; required_device m_gfxdecode; required_device m_screen; required_device m_palette; required_device m_soundlatch; int scanline_to_vcount(int scanline); void ddragon_interrupt_ack(address_space &space, offs_t offset, uint8_t data); void dd_adpcm_int(msm5205_device *device, int chip); /* video/ddragon.c */ TILEMAP_MAPPER_MEMBER(background_scan); TILE_GET_INFO_MEMBER(get_bg_tile_info); TILE_GET_INFO_MEMBER(get_fg_tile_info); TILE_GET_INFO_MEMBER(get_fg_16color_tile_info); void draw_sprites(bitmap_ind16 &bitmap,const rectangle &cliprect); uint32_t screen_update_ddragon(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); DECLARE_MACHINE_START(ddragon); DECLARE_MACHINE_RESET(ddragon); DECLARE_VIDEO_START(ddragon); TIMER_DEVICE_CALLBACK_MEMBER(ddragon_scanline); DECLARE_WRITE_LINE_MEMBER(irq_handler); DECLARE_WRITE8_MEMBER(ddragon_bgvideoram_w); DECLARE_WRITE8_MEMBER(ddragon_fgvideoram_w); DECLARE_CUSTOM_INPUT_MEMBER(subcpu_bus_free); DECLARE_WRITE8_MEMBER(ddragon_bankswitch_w); DECLARE_READ8_MEMBER(ddragon_interrupt_r); DECLARE_WRITE8_MEMBER(ddragon_interrupt_w); DECLARE_WRITE8_MEMBER(ddragon2_sub_irq_ack_w); DECLARE_WRITE8_MEMBER(ddragon2_sub_irq_w); DECLARE_READ8_MEMBER(ddragon_hd63701_internal_registers_r); DECLARE_WRITE8_MEMBER(ddragon_hd63701_internal_registers_w); DECLARE_READ8_MEMBER(ddragon_comram_r); DECLARE_WRITE8_MEMBER(ddragon_comram_w); DECLARE_WRITE8_MEMBER(dd_adpcm_w); DECLARE_READ8_MEMBER(dd_adpcm_status_r); DECLARE_WRITE8_MEMBER(ddragonba_port_w); DECLARE_WRITE_LINE_MEMBER(dd_adpcm_int_1); DECLARE_WRITE_LINE_MEMBER(dd_adpcm_int_2); void init_ddragon2(); void init_ddragon(); void init_ddragon6809(); void ddragon(machine_config &config); void ddragon6809(machine_config &config); void ddragonb(machine_config &config); void ddragonba(machine_config &config); void ddragon2(machine_config &config); void dd2_map(address_map &map); void dd2_sound_map(address_map &map); void dd2_sub_map(address_map &map); void ddragon_map(address_map &map); void ddragonba_sub_map(address_map &map); void ddragonba_sub_portmap(address_map &map); void sound_map(address_map &map); void sub_map(address_map &map); }; class darktowr_state : public ddragon_state { public: darktowr_state(const machine_config &mconfig, device_type type, const char *tag) : ddragon_state(mconfig, type, tag) , m_mcu(*this, "mcu") , m_mcu_port_a_out(0xff) { } DECLARE_READ8_MEMBER(darktowr_mcu_bank_r); DECLARE_WRITE8_MEMBER(darktowr_mcu_bank_w); DECLARE_WRITE8_MEMBER(darktowr_bankswitch_w); DECLARE_WRITE8_MEMBER(mcu_port_a_w); void init_darktowr(); void darktowr(machine_config &config); protected: required_device m_mcu; uint8_t m_mcu_port_a_out;; }; class toffy_state : public ddragon_state { public: toffy_state(const machine_config &mconfig, device_type type, const char *tag) : ddragon_state(mconfig, type, tag) { } DECLARE_WRITE8_MEMBER(toffy_bankswitch_w); void init_toffy(); void toffy(machine_config &config); };