// license:BSD-3-Clause // copyright-holders:Mike Appolo /************************************************************************* Atari Major Havoc hardware *************************************************************************/ #include "machine/timer.h" #include "sound/pokey.h" #include "sound/tms5220.h" #define MHAVOC_CLOCK 10000000 #define MHAVOC_CLOCK_5M (MHAVOC_CLOCK/2) #define MHAVOC_CLOCK_2_5M (MHAVOC_CLOCK/4) #define MHAVOC_CLOCK_1_25M (MHAVOC_CLOCK/8) #define MHAVOC_CLOCK_625K (MHAVOC_CLOCK/16) #define MHAVOC_CLOCK_156K (MHAVOC_CLOCK_625K/4) #define MHAVOC_CLOCK_5K (MHAVOC_CLOCK_625K/16/8) #define MHAVOC_CLOCK_2_4K (MHAVOC_CLOCK_625K/16/16) class mhavoc_state : public driver_device { public: mhavoc_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_zram0(*this, "zram0"), m_zram1(*this, "zram1"), m_alpha(*this, "alpha"), m_gamma(*this, "gamma"), m_pokey(*this, "pokey%u", 1U), m_tms(*this, "tms"), m_lamps(*this, "lamp%u", 0U), m_coin(*this, "COIN"), m_service(*this, "SERVICE") { } void alphaone(machine_config &config); void mhavoc(machine_config &config); void mhavocrv(machine_config &config); void init_mhavocrv(); DECLARE_CUSTOM_INPUT_MEMBER(coin_service_r); DECLARE_READ_LINE_MEMBER(gamma_rcvd_r); DECLARE_READ_LINE_MEMBER(gamma_xmtd_r); DECLARE_READ_LINE_MEMBER(alpha_rcvd_r); DECLARE_READ_LINE_MEMBER(alpha_xmtd_r); DECLARE_READ_LINE_MEMBER(clock_r); private: uint8_t dual_pokey_r(offs_t offset); void dual_pokey_w(offs_t offset, uint8_t data); void mhavoc_alpha_irq_ack_w(uint8_t data); void mhavoc_gamma_irq_ack_w(uint8_t data); void mhavoc_gamma_w(uint8_t data); uint8_t mhavoc_alpha_r(); void mhavoc_alpha_w(uint8_t data); uint8_t mhavoc_gamma_r(); void mhavoc_ram_banksel_w(uint8_t data); void mhavoc_rom_banksel_w(uint8_t data); void mhavoc_out_0_w(uint8_t data); void alphaone_out_0_w(uint8_t data); void mhavoc_out_1_w(uint8_t data); void mhavocrv_speech_data_w(uint8_t data); void mhavocrv_speech_strobe_w(uint8_t data); uint8_t quad_pokeyn_r(offs_t offset); void quad_pokeyn_w(offs_t offset, uint8_t data); TIMER_CALLBACK_MEMBER(delayed_gamma_w); TIMER_DEVICE_CALLBACK_MEMBER(mhavoc_cpu_irq_clock); void alpha_map(address_map &map); void alphaone_map(address_map &map); void gamma_map(address_map &map); virtual void machine_start() override; virtual void machine_reset() override; required_shared_ptr m_zram0; required_shared_ptr m_zram1; required_device m_alpha; optional_device m_gamma; optional_device_array m_pokey; optional_device m_tms; output_finder<2> m_lamps; optional_ioport m_coin; optional_ioport m_service; uint8_t m_alpha_data = 0; uint8_t m_alpha_rcvd = 0; uint8_t m_alpha_xmtd = 0; uint8_t m_gamma_data = 0; uint8_t m_gamma_rcvd = 0; uint8_t m_gamma_xmtd = 0; uint8_t m_player_1 = 0; uint8_t m_alpha_irq_clock = 0; uint8_t m_alpha_irq_clock_enable = 0; uint8_t m_gamma_irq_clock = 0; uint8_t m_has_gamma_cpu = 0; uint8_t m_speech_write_buffer = 0; emu_timer *m_gamma_sync_timer = nullptr; };