1 // license:BSD-3-Clause 2 // copyright-holders:Aaron Giles 3 /************************************************************************* 4 5 Atari G42 hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_ATARIG42_H 9 #define MAME_INCLUDES_ATARIG42_H 10 11 #pragma once 12 13 #include "audio/atarijsa.h" 14 #include "machine/atarigen.h" 15 #include "video/atarirle.h" 16 #include "cpu/m68000/m68000.h" 17 #include "machine/adc0808.h" 18 #include "machine/asic65.h" 19 #include "machine/timer.h" 20 #include "tilemap.h" 21 22 class atarig42_state : public atarigen_state 23 { 24 public: atarig42_state(const machine_config & mconfig,device_type type,const char * tag)25 atarig42_state(const machine_config &mconfig, device_type type, const char *tag) : 26 atarigen_state(mconfig, type, tag), 27 m_jsa(*this, "jsa"), 28 m_playfield_tilemap(*this, "playfield"), 29 m_alpha_tilemap(*this, "alpha"), 30 m_rle(*this, "rle"), 31 m_asic65(*this, "asic65"), 32 m_adc(*this, "adc"), 33 m_mo_command(*this, "mo_command") 34 { } 35 36 protected: 37 virtual void machine_start() override; 38 void video_int_ack_w(uint16_t data = 0); 39 TIMER_DEVICE_CALLBACK_MEMBER(scanline_update); 40 void a2d_select_w(offs_t offset, uint8_t data); 41 uint8_t a2d_data_r(offs_t offset); 42 void io_latch_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 43 void mo_command_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 44 TILE_GET_INFO_MEMBER(get_alpha_tile_info); 45 TILE_GET_INFO_MEMBER(get_playfield_tile_info); 46 TILEMAP_MAPPER_MEMBER(atarig42_playfield_scan); 47 DECLARE_VIDEO_START(atarig42); 48 uint32_t screen_update_atarig42(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 49 void atarig42(machine_config &config); 50 void main_map(address_map &map); 51 52 required_device<atari_jsa_iii_device> m_jsa; 53 54 required_device<tilemap_device> m_playfield_tilemap; 55 required_device<tilemap_device> m_alpha_tilemap; 56 required_device<atari_rle_objects_device> m_rle; 57 required_device<asic65_device> m_asic65; 58 optional_device<adc0808_device> m_adc; 59 60 uint16_t m_playfield_base; 61 62 uint16_t m_current_control; 63 uint8_t m_playfield_tile_bank; 64 uint8_t m_playfield_color_bank; 65 uint16_t m_playfield_xscroll; 66 uint16_t m_playfield_yscroll; 67 68 required_shared_ptr<uint16_t> m_mo_command; 69 70 int m_sloop_bank; 71 int m_sloop_next_bank; 72 int m_sloop_offset; 73 int m_sloop_state; 74 uint16_t * m_sloop_base; 75 76 uint32_t m_last_accesses[8]; 77 }; 78 79 class atarig42_0x200_state : public atarig42_state 80 { 81 public: 82 using atarig42_state::atarig42_state; 83 void init_roadriot(); 84 void atarig42_0x200(machine_config &config); 85 86 protected: 87 uint16_t roadriot_sloop_data_r(offs_t offset); 88 void roadriot_sloop_data_w(offs_t offset, uint16_t data); 89 void roadriot_sloop_tweak(int offset); 90 }; 91 92 class atarig42_0x400_state : public atarig42_state 93 { 94 public: 95 using atarig42_state::atarig42_state; 96 void init_guardian(); 97 void atarig42_0x400(machine_config &config); 98 99 protected: 100 uint16_t guardians_sloop_data_r(offs_t offset); 101 void guardians_sloop_data_w(offs_t offset, uint16_t data); 102 void guardians_sloop_tweak(int offset); 103 }; 104 105 #endif // MAME_INCLUDES_ATARIG42_H 106