1 // license:BSD-3-Clause 2 // copyright-holders:Zsolt Vasvari 3 /*************************************************************************** 4 5 Sigma Spiders hardware 6 7 ***************************************************************************/ 8 #ifndef MAME_INCLUDES_SPIDERS_H 9 #define MAME_INCLUDES_SPIDERS_H 10 11 #pragma once 12 13 #include "machine/6821pia.h" 14 #include "sound/discrete.h" 15 #include "video/mc6845.h" 16 #include "emupal.h" 17 18 class spiders_state : public driver_device 19 { 20 public: spiders_state(const machine_config & mconfig,device_type type,const char * tag)21 spiders_state(const machine_config &mconfig, device_type type, const char *tag) 22 : driver_device(mconfig, type, tag) 23 , m_ram(*this, "ram") 24 , m_discrete(*this, "discrete") 25 , m_maincpu(*this, "maincpu") 26 , m_palette(*this, "palette") 27 , m_audiocpu(*this, "audiocpu") 28 , m_pia(*this, "pia%u", 1U) 29 { } 30 31 void spiders(machine_config &config); 32 33 private: 34 DECLARE_WRITE_LINE_MEMBER(flipscreen_w); 35 void gfx_rom_intf_w(uint8_t data); 36 uint8_t gfx_rom_r(); 37 virtual void machine_start() override; 38 INTERRUPT_GEN_MEMBER(update_pia_1); 39 DECLARE_WRITE_LINE_MEMBER(ic60_74123_output_changed); 40 void spiders_audio_command_w(uint8_t data); 41 void spiders_audio_a_w(uint8_t data); 42 void spiders_audio_b_w(uint8_t data); 43 void spiders_audio_ctrl_w(uint8_t data); 44 45 MC6845_UPDATE_ROW(crtc_update_row); 46 47 void spiders_audio(machine_config &config); 48 void spiders_audio_map(address_map &map); 49 void spiders_main_map(address_map &map); 50 51 required_shared_ptr<uint8_t> m_ram; 52 required_device<discrete_device> m_discrete; 53 required_device<cpu_device> m_maincpu; 54 required_device<palette_device> m_palette; 55 required_device<cpu_device> m_audiocpu; 56 required_device_array<pia6821_device, 4> m_pia; 57 58 uint8_t m_flipscreen; 59 uint16_t m_gfx_rom_address; 60 uint8_t m_gfx_rom_ctrl_mode; 61 uint8_t m_gfx_rom_ctrl_latch; 62 uint8_t m_gfx_rom_ctrl_data; 63 }; 64 65 #endif // MAME_INCLUDES_SPIDERS_H 66