// license:BSD-3-Clause // copyright-holders:Aaron Giles /************************************************************************* Exidy 440 hardware *************************************************************************/ #include "audio/exidy440.h" #define EXIDY440_MASTER_CLOCK (XTAL_12_9792MHz) class exidy440_state : public driver_device { public: exidy440_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_imageram(*this, "imageram"), m_spriteram(*this, "spriteram"), m_scanline(*this, "scanline"), m_maincpu(*this, "maincpu"), m_custom(*this, "custom"), m_screen(*this, "screen"), m_palette(*this, "palette") { } required_shared_ptr m_imageram; required_shared_ptr m_spriteram; required_shared_ptr m_scanline; required_device m_maincpu; required_device m_custom; required_device m_screen; required_device m_palette; UINT8 m_bank; const UINT8 *m_showdown_bank_data[2]; INT8 m_showdown_bank_select; UINT8 m_showdown_bank_offset; UINT8 m_firq_vblank; UINT8 m_firq_beam; UINT8 *m_topsecex_yscroll; UINT8 m_latched_x; std::unique_ptr m_local_videoram; std::unique_ptr m_local_paletteram; UINT8 m_firq_enable; UINT8 m_firq_select; UINT8 m_palettebank_io; UINT8 m_palettebank_vis; DECLARE_WRITE8_MEMBER(bankram_w); DECLARE_READ8_MEMBER(exidy440_input_port_3_r); DECLARE_READ8_MEMBER(sound_command_ack_r); DECLARE_WRITE8_MEMBER(sound_command_w); DECLARE_WRITE8_MEMBER(exidy440_input_port_3_w); DECLARE_WRITE8_MEMBER(exidy440_coin_counter_w); DECLARE_READ8_MEMBER(showdown_bank0_r); DECLARE_READ8_MEMBER(claypign_protection_r); DECLARE_READ8_MEMBER(topsecex_input_port_5_r); DECLARE_WRITE8_MEMBER(topsecex_yscroll_w); DECLARE_READ8_MEMBER(exidy440_videoram_r); DECLARE_WRITE8_MEMBER(exidy440_videoram_w); DECLARE_READ8_MEMBER(exidy440_paletteram_r); DECLARE_WRITE8_MEMBER(exidy440_paletteram_w); DECLARE_READ8_MEMBER(exidy440_horizontal_pos_r); DECLARE_READ8_MEMBER(exidy440_vertical_pos_r); DECLARE_WRITE8_MEMBER(exidy440_spriteram_w); DECLARE_WRITE8_MEMBER(exidy440_control_w); DECLARE_WRITE8_MEMBER(exidy440_interrupt_clear_w); DECLARE_CUSTOM_INPUT_MEMBER(firq_beam_r); DECLARE_CUSTOM_INPUT_MEMBER(firq_vblank_r); DECLARE_CUSTOM_INPUT_MEMBER(hitnmiss_button1_r); DECLARE_INPUT_CHANGED_MEMBER(coin_inserted); DECLARE_DRIVER_INIT(showdown); DECLARE_DRIVER_INIT(topsecex); DECLARE_DRIVER_INIT(yukon); DECLARE_DRIVER_INIT(exidy440); DECLARE_DRIVER_INIT(claypign); virtual void machine_start() override; virtual void machine_reset() override; DECLARE_VIDEO_START(exidy440); DECLARE_VIDEO_START(topsecex); void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int scroll_offset, int check_collision); void update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int scroll_offset, int check_collision); UINT32 screen_update_exidy440(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update_topsecex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(exidy440_vblank_interrupt); TIMER_CALLBACK_MEMBER(delayed_sound_command_w); TIMER_CALLBACK_MEMBER(beam_firq_callback); TIMER_CALLBACK_MEMBER(collide_firq_callback); void exidy440_update_firq(); void exidy440_bank_select(UINT8 bank); }; /*----------- defined in video/exidy440.c -----------*/ MACHINE_CONFIG_EXTERN( exidy440_video ); MACHINE_CONFIG_EXTERN( topsecex_video );