// license:BSD-3-Clause // copyright-holders:Mike Appolo /************************************************************************* Atari Major Havoc hardware *************************************************************************/ #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"){ } required_shared_ptr m_zram0; required_shared_ptr m_zram1; required_device m_alpha; optional_device m_gamma; UINT8 m_alpha_data; UINT8 m_alpha_rcvd; UINT8 m_alpha_xmtd; UINT8 m_gamma_data; UINT8 m_gamma_rcvd; UINT8 m_gamma_xmtd; UINT8 m_player_1; UINT8 m_alpha_irq_clock; UINT8 m_alpha_irq_clock_enable; UINT8 m_gamma_irq_clock; UINT8 m_has_gamma_cpu; UINT8 m_speech_write_buffer; DECLARE_READ8_MEMBER(dual_pokey_r); DECLARE_WRITE8_MEMBER(dual_pokey_w); DECLARE_WRITE8_MEMBER(mhavoc_alpha_irq_ack_w); DECLARE_WRITE8_MEMBER(mhavoc_gamma_irq_ack_w); DECLARE_WRITE8_MEMBER(mhavoc_gamma_w); DECLARE_READ8_MEMBER(mhavoc_alpha_r); DECLARE_WRITE8_MEMBER(mhavoc_alpha_w); DECLARE_READ8_MEMBER(mhavoc_gamma_r); DECLARE_WRITE8_MEMBER(mhavoc_ram_banksel_w); DECLARE_WRITE8_MEMBER(mhavoc_rom_banksel_w); DECLARE_WRITE8_MEMBER(mhavoc_out_0_w); DECLARE_WRITE8_MEMBER(alphaone_out_0_w); DECLARE_WRITE8_MEMBER(mhavoc_out_1_w); DECLARE_WRITE8_MEMBER(mhavocrv_speech_data_w); DECLARE_WRITE8_MEMBER(mhavocrv_speech_strobe_w); DECLARE_READ8_MEMBER(quad_pokeyn_r); DECLARE_WRITE8_MEMBER(quad_pokeyn_w); DECLARE_CUSTOM_INPUT_MEMBER(tms5220_r); DECLARE_CUSTOM_INPUT_MEMBER(mhavoc_bit67_r); DECLARE_CUSTOM_INPUT_MEMBER(gamma_rcvd_r); DECLARE_CUSTOM_INPUT_MEMBER(gamma_xmtd_r); DECLARE_CUSTOM_INPUT_MEMBER(alpha_rcvd_r); DECLARE_CUSTOM_INPUT_MEMBER(alpha_xmtd_r); DECLARE_CUSTOM_INPUT_MEMBER(clock_r); DECLARE_DRIVER_INIT(mhavocrv); virtual void machine_start() override; virtual void machine_reset() override; TIMER_CALLBACK_MEMBER(delayed_gamma_w); TIMER_DEVICE_CALLBACK_MEMBER(mhavoc_cpu_irq_clock); };