// license:BSD-3-Clause // copyright-holders:Aaron Giles /************************************************************************* Atari G42 hardware *************************************************************************/ #ifndef MAME_INCLUDES_ATARIG42_H #define MAME_INCLUDES_ATARIG42_H #pragma once #include "audio/atarijsa.h" #include "machine/atarigen.h" #include "video/atarirle.h" #include "cpu/m68000/m68000.h" #include "machine/adc0808.h" #include "machine/asic65.h" #include "machine/timer.h" #include "tilemap.h" class atarig42_state : public atarigen_state { public: atarig42_state(const machine_config &mconfig, device_type type, const char *tag) : atarigen_state(mconfig, type, tag), m_jsa(*this, "jsa"), m_playfield_tilemap(*this, "playfield"), m_alpha_tilemap(*this, "alpha"), m_rle(*this, "rle"), m_asic65(*this, "asic65"), m_adc(*this, "adc"), m_mo_command(*this, "mo_command") { } protected: virtual void machine_start() override; virtual void video_start() override; void video_int_ack_w(uint16_t data = 0); TIMER_DEVICE_CALLBACK_MEMBER(scanline_update); void a2d_select_w(offs_t offset, uint8_t data); uint8_t a2d_data_r(offs_t offset); void io_latch_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); void mo_command_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); TILE_GET_INFO_MEMBER(get_alpha_tile_info); TILE_GET_INFO_MEMBER(get_playfield_tile_info); TILEMAP_MAPPER_MEMBER(atarig42_playfield_scan); uint32_t screen_update_atarig42(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void atarig42(machine_config &config); void main_map(address_map &map); required_device m_jsa; required_device m_playfield_tilemap; required_device m_alpha_tilemap; required_device m_rle; required_device m_asic65; optional_device m_adc; uint16_t m_playfield_base = 0; uint16_t m_current_control = 0; uint8_t m_playfield_tile_bank = 0; uint8_t m_playfield_color_bank = 0; uint16_t m_playfield_xscroll = 0; uint16_t m_playfield_yscroll = 0; required_shared_ptr m_mo_command; int m_sloop_bank = 0; int m_sloop_next_bank = 0; int m_sloop_offset = 0; int m_sloop_state = 0; uint16_t * m_sloop_base = nullptr; uint32_t m_last_accesses[8]{}; }; class atarig42_0x200_state : public atarig42_state { public: using atarig42_state::atarig42_state; void init_roadriot(); void atarig42_0x200(machine_config &config); protected: uint16_t roadriot_sloop_data_r(offs_t offset); void roadriot_sloop_data_w(offs_t offset, uint16_t data); void roadriot_sloop_tweak(int offset); }; class atarig42_0x400_state : public atarig42_state { public: using atarig42_state::atarig42_state; void init_dangerex(); void init_guardian(); void atarig42_0x400(machine_config &config); protected: uint16_t guardians_sloop_data_r(offs_t offset); void guardians_sloop_data_w(offs_t offset, uint16_t data); void guardians_sloop_tweak(int offset); }; #endif // MAME_INCLUDES_ATARIG42_H