1 // license:BSD-3-Clause 2 // copyright-holders:Zsolt Vasvari, Aaron Giles 3 /************************************************************************* 4 5 Atari Tetris hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_ATETRIS_H 9 #define MAME_INCLUDES_ATETRIS_H 10 11 #pragma once 12 13 #include "cpu/mcs48/mcs48.h" 14 #include "machine/gen_latch.h" 15 #include "machine/slapstic.h" 16 #include "sound/sn76496.h" 17 #include "screen.h" 18 #include "tilemap.h" 19 20 class atetris_state : public driver_device 21 { 22 public: atetris_state(const machine_config & mconfig,device_type type,const char * tag)23 atetris_state(const machine_config &mconfig, device_type type, const char *tag) : 24 driver_device(mconfig, type, tag), 25 m_maincpu(*this, "maincpu"), 26 m_gfxdecode(*this, "gfxdecode"), 27 m_screen(*this, "screen"), 28 m_slapstic(*this, "slapstic"), 29 m_videoram(*this, "videoram") 30 { 31 } 32 33 void atetris_base(machine_config &config); 34 void atetris(machine_config &config); 35 void atetrisb2(machine_config &config); 36 37 void init_atetris(); 38 39 protected: 40 virtual void machine_start() override; 41 virtual void machine_reset() override; 42 virtual void video_start() override; 43 44 required_device<cpu_device> m_maincpu; 45 required_device<gfxdecode_device> m_gfxdecode; 46 required_device<screen_device> m_screen; 47 optional_device<atari_slapstic_device> m_slapstic; 48 49 required_shared_ptr<uint8_t> m_videoram; 50 51 uint8_t *m_slapstic_source; 52 uint8_t *m_slapstic_base; 53 uint8_t m_current_bank; 54 emu_timer *m_interrupt_timer; 55 tilemap_t *m_bg_tilemap; 56 57 void irq_ack_w(uint8_t data); 58 uint8_t slapstic_r(address_space &space, offs_t offset); 59 void coincount_w(uint8_t data); 60 void videoram_w(offs_t offset, uint8_t data); 61 TILE_GET_INFO_MEMBER(get_tile_info); 62 uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 63 TIMER_CALLBACK_MEMBER(interrupt_gen); 64 void reset_bank(); 65 66 void atetrisb2_map(address_map &map); 67 void main_map(address_map &map); 68 }; 69 70 class atetris_bartop_state : public atetris_state 71 { 72 public: atetris_bartop_state(const machine_config & mconfig,device_type type,const char * tag)73 atetris_bartop_state(const machine_config &mconfig, device_type type, const char *tag) : 74 atetris_state(mconfig, type, tag) 75 { 76 } 77 78 void atetrisbp(machine_config &config); 79 80 private: 81 void output_w(uint8_t data); 82 83 void atetrisbp_map(address_map &map); 84 }; 85 86 class atetris_mcu_state : public atetris_state 87 { 88 public: atetris_mcu_state(const machine_config & mconfig,device_type type,const char * tag)89 atetris_mcu_state(const machine_config &mconfig, device_type type, const char *tag) : 90 atetris_state(mconfig, type, tag), 91 m_mcu(*this, "mcu"), 92 m_soundlatch(*this, "soundlatch%u", 1U), 93 m_sn(*this, "sn%u", 1U) 94 { 95 } 96 97 void atetrisb3(machine_config &config); 98 99 private: 100 uint8_t mcu_bus_r(); 101 void mcu_p2_w(uint8_t data); 102 void mcu_reg_w(offs_t offset, uint8_t data); 103 104 void atetrisb3_map(address_map &map); 105 106 required_device<i8749_device> m_mcu; 107 required_device_array<generic_latch_8_device, 2> m_soundlatch; 108 required_device_array<sn76496_base_device, 4> m_sn; 109 }; 110 111 #endif // MAME_INCLUDES_ATETRIS_H 112