1 // license:BSD-3-Clause 2 // copyright-holders:Aaron Giles 3 /************************************************************************* 4 5 Atari GT hardware 6 7 *************************************************************************/ 8 9 #include "audio/cage.h" 10 #include "machine/adc0808.h" 11 #include "machine/atarigen.h" 12 #include "machine/timer.h" 13 #include "video/atarirle.h" 14 #include "emupal.h" 15 #include "tilemap.h" 16 17 #define CRAM_ENTRIES 0x4000 18 #define TRAM_ENTRIES 0x4000 19 #define MRAM_ENTRIES 0x8000 20 21 #define ADDRSEQ_COUNT 4 22 23 class atarigt_state : public atarigen_state 24 { 25 public: atarigt_state(const machine_config & mconfig,device_type type,const char * tag)26 atarigt_state(const machine_config &mconfig, device_type type, const char *tag) : 27 atarigen_state(mconfig, type, tag), 28 m_palette(*this, "palette"), 29 m_colorram(*this, "colorram", 32), 30 m_adc(*this, "adc"), 31 m_playfield_tilemap(*this, "playfield"), 32 m_alpha_tilemap(*this, "alpha"), 33 m_rle(*this, "rle"), 34 m_service_io(*this, "SERVICE"), 35 m_coin_io(*this, "COIN"), 36 m_fake_io(*this, "FAKE"), 37 m_mo_command(*this, "mo_command"), 38 m_cage(*this, "cage") 39 { } 40 41 bool m_is_primrage; 42 required_device<palette_device> m_palette; 43 required_shared_ptr<uint16_t> m_colorram; 44 45 optional_device<adc0808_device> m_adc; 46 47 required_device<tilemap_device> m_playfield_tilemap; 48 required_device<tilemap_device> m_alpha_tilemap; 49 required_device<atari_rle_objects_device> m_rle; 50 51 optional_ioport m_service_io; 52 optional_ioport m_coin_io; 53 optional_ioport m_fake_io; 54 55 bool m_scanline_int_state; 56 bool m_video_int_state; 57 58 bitmap_ind16 m_pf_bitmap; 59 bitmap_ind16 m_an_bitmap; 60 61 uint8_t m_playfield_tile_bank; 62 uint8_t m_playfield_color_bank; 63 uint16_t m_playfield_xscroll; 64 uint16_t m_playfield_yscroll; 65 66 uint32_t m_tram_checksum; 67 68 required_shared_ptr<uint32_t> m_mo_command; 69 optional_device<atari_cage_device> m_cage; 70 71 void (atarigt_state::*m_protection_w)(address_space &space, offs_t offset, uint16_t data); 72 void (atarigt_state::*m_protection_r)(address_space &space, offs_t offset, uint16_t *data); 73 74 bool m_ignore_writes; 75 offs_t m_protaddr[ADDRSEQ_COUNT]; 76 uint8_t m_protmode; 77 uint16_t m_protresult; 78 std::unique_ptr<uint8_t[]> m_protdata; 79 80 INTERRUPT_GEN_MEMBER(scanline_int_gen); 81 DECLARE_WRITE_LINE_MEMBER(video_int_write_line); 82 void scanline_int_ack_w(uint32_t data = 0); 83 void video_int_ack_w(uint32_t data = 0); 84 TIMER_DEVICE_CALLBACK_MEMBER(scanline_update); 85 uint32_t special_port2_r(); 86 uint32_t special_port3_r(); 87 uint8_t analog_port_r(offs_t offset); 88 void latch_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 89 void mo_command_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 90 void led_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 91 uint32_t sound_data_r(offs_t offset, uint32_t mem_mask = ~0); 92 void sound_data_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 93 uint32_t colorram_protection_r(address_space &space, offs_t offset, uint32_t mem_mask = ~0); 94 void colorram_protection_w(address_space &space, offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 95 void tmek_pf_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 96 97 void cage_irq_callback(uint8_t data); 98 99 void atarigt_colorram_w(offs_t address, uint16_t data, uint16_t mem_mask); 100 uint16_t atarigt_colorram_r(offs_t address); 101 void init_primrage(); 102 void init_tmek(); 103 TILE_GET_INFO_MEMBER(get_alpha_tile_info); 104 TILE_GET_INFO_MEMBER(get_playfield_tile_info); 105 TILEMAP_MAPPER_MEMBER(atarigt_playfield_scan); 106 virtual void machine_start() override; 107 DECLARE_VIDEO_START(atarigt); 108 uint32_t screen_update_atarigt(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); 109 void atarigt(machine_config &config); 110 void tmek(machine_config &config); 111 void primrage20(machine_config &config); 112 void primrage(machine_config &config); 113 void main_map(address_map &map); 114 private: 115 void tmek_update_mode(offs_t offset); 116 void tmek_protection_w(address_space &space, offs_t offset, uint16_t data); 117 void tmek_protection_r(address_space &space, offs_t offset, uint16_t *data); 118 void primrage_update_mode(offs_t offset); 119 void primrage_protection_w(address_space &space, offs_t offset, uint16_t data); 120 void primrage_protection_r(address_space &space, offs_t offset, uint16_t *data); 121 void compute_fake_pots(int *pots); 122 }; 123