// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** Atari "Stella on Steroids" hardware ***************************************************************************/ #ifndef MAME_INCLUDES_BEATHEAD_H #define MAME_INCLUDES_BEATHEAD_H #pragma once #include "machine/atarigen.h" #include "machine/timer.h" #include "cpu/asap/asap.h" #include "audio/atarijsa.h" class beathead_state : public atarigen_state { public: beathead_state(const machine_config &mconfig, device_type type, const char *tag) : atarigen_state(mconfig, type, tag), m_jsa(*this, "jsa"), m_videoram(*this, "videoram"), m_vram_bulk_latch(*this, "vram_bulk_latch"), m_palette_select(*this, "palette_select"), m_ram_base(*this, "ram_base"), m_rom_base(*this, "rom_base") { } void beathead(machine_config &config); protected: // in drivers/beathead.c virtual void update_interrupts() override; DECLARE_WRITE32_MEMBER( interrupt_control_w ); DECLARE_READ32_MEMBER( interrupt_control_r ); DECLARE_WRITE32_MEMBER( sound_reset_w ); DECLARE_WRITE32_MEMBER( coin_count_w ); DECLARE_READ32_MEMBER( speedup_r ); DECLARE_READ32_MEMBER( movie_speedup_r ); // in video/beathead.c DECLARE_WRITE32_MEMBER( vram_transparent_w ); DECLARE_WRITE32_MEMBER( vram_bulk_w ); DECLARE_WRITE32_MEMBER( vram_latch_w ); DECLARE_WRITE32_MEMBER( vram_copy_w ); DECLARE_WRITE32_MEMBER( finescroll_w ); DECLARE_READ32_MEMBER( hsync_ram_r ); DECLARE_WRITE32_MEMBER( hsync_ram_w ); TIMER_DEVICE_CALLBACK_MEMBER(scanline_callback); virtual void machine_reset() override; virtual void video_start() override; void main_map(address_map &map); uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); private: required_device m_jsa; required_shared_ptr m_videoram; required_shared_ptr m_vram_bulk_latch; required_shared_ptr m_palette_select; uint32_t m_finescroll; offs_t m_vram_latch_offset; offs_t m_hsyncram_offset; offs_t m_hsyncram_start; uint8_t m_hsyncram[0x800]; required_shared_ptr m_ram_base; required_shared_ptr m_rom_base; attotime m_hblank_offset; uint8_t m_irq_line_state; uint8_t m_irq_enable[3]; uint8_t m_irq_state[3]; uint8_t m_eeprom_enabled; }; #endif // MAME_INCLUDES_BEATHEAD_H