// license:BSD-3-Clause // copyright-holders:Aaron Giles /************************************************************************* Jaleco Exerion *************************************************************************/ #ifndef MAME_INCLUDES_EXERION_H #define MAME_INCLUDES_EXERION_H #pragma once #include "emupal.h" #include "screen.h" #define EXERION_MASTER_CLOCK (XTAL(19'968'000)) /* verified on pcb */ #define EXERION_CPU_CLOCK (EXERION_MASTER_CLOCK / 6) #define EXERION_AY8910_CLOCK (EXERION_CPU_CLOCK / 2) #define EXERION_PIXEL_CLOCK (EXERION_MASTER_CLOCK / 3) #define EXERION_HCOUNT_START (0x58) #define EXERION_HTOTAL (512-EXERION_HCOUNT_START) #define EXERION_HBEND (12*8) /* ?? */ #define EXERION_HBSTART (52*8) /* ?? */ #define EXERION_VTOTAL (256) #define EXERION_VBEND (16) #define EXERION_VBSTART (240) class exerion_state : public driver_device { public: exerion_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_main_ram(*this, "main_ram"), m_videoram(*this, "videoram"), m_spriteram(*this, "spriteram"), m_maincpu_region(*this, "maincpu"), m_background_mixer(*this, "bg_char_mixer_prom"), m_maincpu(*this, "maincpu"), m_gfxdecode(*this, "gfxdecode"), m_screen(*this, "screen"), m_palette(*this, "palette"), m_inputs(*this, "P%u", 1U) { } void exerion(machine_config &config); void irion(machine_config &config); void init_exerion(); void init_exerionb(); void init_irion(); DECLARE_CUSTOM_INPUT_MEMBER(controls_r); DECLARE_INPUT_CHANGED_MEMBER(coin_inserted); protected: virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; private: // memory pointers required_shared_ptr m_main_ram; required_shared_ptr m_videoram; required_shared_ptr m_spriteram; required_region_ptr m_maincpu_region; required_region_ptr m_background_mixer; // video-related uint8_t m_cocktail_flip = 0U; uint8_t m_char_palette = 0U; uint8_t m_sprite_palette = 0U; uint8_t m_char_bank = 0U; std::unique_ptr m_background_gfx[4]{}; uint8_t m_background_latches[13]{}; // protection? uint8_t m_porta = 0U; uint8_t m_portb = 0U; // devices required_device m_maincpu; required_device m_gfxdecode; required_device m_screen; required_device m_palette; required_ioport_array<2> m_inputs; uint8_t protection_r(offs_t offset); void videoreg_w(uint8_t data); void video_latch_w(offs_t offset, uint8_t data); uint8_t video_timing_r(); uint8_t porta_r(); void portb_w(uint8_t data); void palette(palette_device &palette) const; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void draw_background( bitmap_ind16 &bitmap, const rectangle &cliprect); void main_map(address_map &map); void sub_map(address_map &map); }; #endif // MAME_INCLUDES_EXERION_H