// license:BSD-3-Clause // copyright-holders:Aaron Giles /************************************************************************* Exidy 440 hardware *************************************************************************/ #ifndef MAME_INCLUDES_EXIDY440_H #define MAME_INCLUDES_EXIDY440_H #pragma once #include "audio/exidy440.h" #include "emupal.h" #include "screen.h" #define EXIDY440_MASTER_CLOCK (XTAL(12'979'200)) 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, "440audio"), m_screen(*this, "screen"), m_palette(*this, "palette") { } DECLARE_READ_LINE_MEMBER(firq_beam_r); DECLARE_READ_LINE_MEMBER(firq_vblank_r); DECLARE_CUSTOM_INPUT_MEMBER(hitnmiss_button1_r); DECLARE_INPUT_CHANGED_MEMBER(coin_inserted); void init_showdown(); void init_yukon(); void init_exidy440(); void init_claypign(); void exidy440(machine_config &config); protected: void bankram_w(offs_t offset, uint8_t data); uint8_t exidy440_input_port_3_r(); uint8_t sound_command_ack_r(); void sound_command_w(uint8_t data); void exidy440_input_port_3_w(uint8_t data); void exidy440_coin_counter_w(uint8_t data); uint8_t showdown_bank0_r(offs_t offset); uint8_t claypign_protection_r(); uint8_t exidy440_videoram_r(offs_t offset); void exidy440_videoram_w(offs_t offset, uint8_t data); uint8_t exidy440_paletteram_r(offs_t offset); void exidy440_paletteram_w(offs_t offset, uint8_t data); uint8_t exidy440_horizontal_pos_r(); uint8_t exidy440_vertical_pos_r(); void exidy440_spriteram_w(offs_t offset, uint8_t data); void exidy440_control_w(offs_t offset, uint8_t data); void exidy440_interrupt_clear_w(uint8_t data); 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_t screen_update_exidy440(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); DECLARE_WRITE_LINE_MEMBER(vblank_interrupt_w); 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_t bank); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; void exidy440_video(machine_config &config); void exidy440_map(address_map &map); 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; private: uint8_t m_bank = 0U; const uint8_t *m_showdown_bank_data[2]{}; int8_t m_showdown_bank_select = 0; uint8_t m_showdown_bank_offset = 0U; uint8_t m_firq_vblank = 0U; uint8_t m_firq_beam = 0U; uint8_t m_latched_x = 0U; std::unique_ptr m_local_videoram{}; std::unique_ptr m_local_paletteram{}; uint8_t m_firq_enable = 0U; uint8_t m_firq_select = 0U; uint8_t m_palettebank_io = 0U; uint8_t m_palettebank_vis = 0U; emu_timer *m_beam_firq_timer = nullptr; emu_timer *m_collide_firq_timer = nullptr; uint8_t m_beam_firq_count = 0U; }; class topsecex_state : public exidy440_state { public: using exidy440_state::exidy440_state; void init_topsecex(); void topsecex(machine_config &config); protected: void topsecex_video(machine_config &config); uint8_t topsecex_input_port_5_r(); void topsecex_yscroll_w(uint8_t data); uint32_t screen_update_topsecex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); virtual void video_start() override; private: uint8_t m_topsecex_yscroll = 0U; }; #endif // MAME_INCLUDES_EXIDY440_H