1 // license:BSD-3-Clause 2 // copyright-holders:Barry Rodewald, Jonathan Gevaryahu 3 /* 4 * s11c_bg.h - Williams System 11C background sound (M68B09E + YM2151 + HC55516 + DAC) 5 * 6 * Created on: 2/10/2013 7 */ 8 9 #ifndef MAME_AUDIO_S11C_BG_H 10 #define MAME_AUDIO_S11C_BG_H 11 12 #pragma once 13 14 #include "cpu/m6809/m6809.h" 15 #include "machine/6821pia.h" 16 #include "machine/rescap.h" 17 #include "sound/dac.h" 18 #include "sound/flt_biquad.h" 19 #include "sound/hc55516.h" 20 #include "sound/ym2151.h" 21 22 23 class s11c_bg_device : public device_t, public device_mixer_interface 24 { 25 public: 26 // construction/destruction 27 s11c_bg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); 28 29 // base config 30 void s11_bg_base(machine_config &config); 31 // add ym2151 32 void s11_bg_ym(machine_config &config); 33 // add cvsd 34 void s11_bg_cvsd(machine_config &config); 35 36 // note to keep synchronization working, the host machine should have synchronization timer expired delegates 37 // before writing to the following 3 things: 38 DECLARE_WRITE_LINE_MEMBER(extra_w); // external write to board CB2 (J4 pin 12), does anything actually do this? 39 DECLARE_WRITE_LINE_MEMBER(ctrl_w); // external write to board CB1 (J4 pin 13) 40 void data_w(uint8_t data); // external write to board data bus (J4 pins 3 thru 10 for D0-D7) 41 virtual void device_reset() override; // power up reset 42 DECLARE_WRITE_LINE_MEMBER(resetq_w); // external write to board /RESET (J4 pin 18) 43 44 // callbacks cb2_cb()45 auto cb2_cb() { return m_cb2_cb.bind(); } pb_cb()46 auto pb_cb() { return m_pb_cb.bind(); } 47 48 void s11c_bg_map(address_map &map); 49 void s11c_bgm_map(address_map &map); 50 void s11c_bgs_map(address_map &map); 51 52 //mc6809e_device *get_cpu() { return m_cpu; } 53 protected: 54 // constructor with overridable type for subclass 55 s11c_bg_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock = 0); 56 57 // overrides 58 virtual void device_start() override; 59 virtual void device_add_mconfig(machine_config &config) override; 60 61 TIMER_CALLBACK_MEMBER(deferred_cb2_w); 62 TIMER_CALLBACK_MEMBER(deferred_pb_w); 63 64 required_device<mc6809e_device> m_cpu; 65 required_device<mc1408_device> m_dac; 66 optional_device<ym2151_device> m_ym2151; 67 optional_device<hc55516_device> m_cvsd; 68 optional_device<filter_biquad_device> m_cvsd_filter; 69 optional_device<filter_biquad_device> m_cvsd_filter2; 70 required_device<pia6821_device> m_pia40; 71 required_memory_bank m_cpubank; 72 73 private: 74 devcb_write_line m_cb2_cb; 75 devcb_write8 m_pb_cb; 76 77 void common_reset(); // common reset function used by both internal and external reset 78 uint8_t m_old_resetq_state; 79 DECLARE_WRITE_LINE_MEMBER(pia40_cb2_w); 80 void pia40_pb_w(uint8_t data); 81 82 void bg_cvsd_clock_set_w(uint8_t data); 83 void bg_cvsd_digit_clock_clear_w(uint8_t data); 84 void bgbank_w(uint8_t data); 85 }; 86 87 class s11_bg_device : public s11c_bg_device 88 { 89 public: 90 s11_bg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); 91 protected: 92 virtual void device_add_mconfig(machine_config &config) override; 93 }; 94 95 class s11_obg_device : public s11c_bg_device 96 { 97 public: 98 s11_obg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); 99 protected: 100 virtual void device_add_mconfig(machine_config &config) override; 101 }; 102 103 class s11_bgm_device : public s11c_bg_device 104 { 105 public: 106 s11_bgm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); 107 protected: 108 virtual void device_add_mconfig(machine_config &config) override; 109 }; 110 111 class s11_bgs_device : public s11c_bg_device 112 { 113 public: 114 s11_bgs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); 115 protected: 116 virtual void device_add_mconfig(machine_config &config) override; 117 }; 118 119 DECLARE_DEVICE_TYPE(S11C_BG, s11c_bg_device) 120 DECLARE_DEVICE_TYPE(S11_BG, s11_bg_device) 121 DECLARE_DEVICE_TYPE(S11_OBG, s11_obg_device) 122 DECLARE_DEVICE_TYPE(S11_BGM, s11_bgm_device) 123 DECLARE_DEVICE_TYPE(S11_BGS, s11_bgs_device) 124 125 #endif // MAME_AUDIO_S11C_BG_H 126