// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_CPU_M6502_M5074X_H #define MAME_CPU_M6502_M5074X_H #pragma once #include "m740.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> m5074x_device class m5074x_device : public m740_device { friend class m50740_device; friend class m50741_device; friend class m50753_device; enum { M5074X_INT1_LINE = INPUT_LINE_IRQ0 }; enum { TIMER_1 = 0, TIMER_2, TIMER_X, TIMER_ADC, NUM_TIMERS }; public: const address_space_config m_program_config; template auto read_p() { return m_read_p[Bit].bind(); } template auto write_p() { return m_write_p[Bit].bind(); } template void set_pullups(u8 mask) { m_pullups[Bit] = mask; } uint8_t ports_r(offs_t offset); void ports_w(offs_t offset, uint8_t data); uint8_t tmrirq_r(offs_t offset); void tmrirq_w(offs_t offset, uint8_t data); bool are_port_bits_output(uint8_t port, uint8_t mask) { return ((m_ddrs[port] & mask) == mask) ? true : false; } protected: // construction/destruction m5074x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock, int addrbits, address_map_constructor internal_map); // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual space_config_vector memory_space_config() const override; // device_execute_interface overrides (TODO: /8 in M50740A/41/52/57/58 SLW mode) virtual uint64_t execute_clocks_to_cycles(uint64_t clocks) const noexcept override { return (clocks + 4 - 1) / 4; } virtual uint64_t execute_cycles_to_clocks(uint64_t cycles) const noexcept override { return (cycles * 4); } virtual void execute_set_input(int inputnum, int state) override; TIMER_CALLBACK_MEMBER(timer1_tick); TIMER_CALLBACK_MEMBER(timer2_tick); TIMER_CALLBACK_MEMBER(timerx_tick); virtual TIMER_CALLBACK_MEMBER(adc_complete) { } void send_port(uint8_t offset, uint8_t data); uint8_t read_port(uint8_t offset); void recalc_irqs(); void recalc_timer(int timer); devcb_read8::array<5> m_read_p; devcb_write8::array<5> m_write_p; uint8_t m_ports[5], m_ddrs[5], m_pullups[5]; uint8_t m_intctrl, m_tmrctrl; uint8_t m_tmr12pre, m_tmr1, m_tmr2, m_tmrxpre, m_tmrx; uint8_t m_tmr1latch, m_tmr2latch, m_tmrxlatch; uint8_t m_last_all_ints; private: emu_timer *m_timers[NUM_TIMERS]; }; class m50740_device : public m5074x_device { public: m50740_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); protected: m50740_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock); private: void m50740_map(address_map &map); }; class m50741_device : public m5074x_device { public: m50741_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); protected: m50741_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock); private: void m50741_map(address_map &map); }; class m50753_device : public m5074x_device { public: m50753_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); enum { M50753_INT1_LINE = INPUT_LINE_IRQ0, M50753_INT2_LINE = INPUT_LINE_IRQ1 }; template auto ad_in() { return m_ad_in[Bit].bind(); } auto read_in_p() { return m_in_p.bind(); } protected: m50753_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void execute_set_input(int inputnum, int state) override; virtual TIMER_CALLBACK_MEMBER(adc_complete) override; private: void m50753_map(address_map &map); uint8_t ad_r(); uint8_t in_r(); void ad_start_w(uint8_t data); uint8_t ad_control_r(); void ad_control_w(uint8_t data); void ad_trigger_w(uint8_t data); uint8_t pwm_control_r(); void pwm_control_w(uint8_t data); devcb_read8::array<8> m_ad_in; devcb_read8 m_in_p; uint8_t m_ad_control; bool m_pwm_enabled; }; DECLARE_DEVICE_TYPE(M50740, m50740_device) DECLARE_DEVICE_TYPE(M50741, m50741_device) DECLARE_DEVICE_TYPE(M50753, m50753_device) #endif // MAME_CPU_M6502_M5074X_H