// license:BSD-3-Clause // copyright-holders:AJR /*************************************************************************** Kawasaki Steel (Kawatetsu) KL5C80A12 CPU ***************************************************************************/ #ifndef MAME_CPU_Z80_KL5C80A12_H #define MAME_CPU_Z80_KL5C80A12_H #pragma once #include "kc82.h" #include "kp69.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class kl5c80a12_device : public kc82_device { public: enum { KP69_IRR = KC82_A3 + 1, KP69_ISR, KP69_IVR, KP69_LER, KP69_PGR, KP69_IMR }; // device type constructor kl5c80a12_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); // callback configuration auto in_p0_callback() { return m_porta_in_callback[0].bind(); } auto out_p0_callback() { return m_porta_out_callback[0].bind(); } auto in_p1_callback() { return m_porta_in_callback[1].bind(); } auto out_p1_callback() { return m_porta_out_callback[1].bind(); } auto in_p2_callback() { return m_portb_in_callback[0].bind(); } auto out_p2_callback() { return m_portb_out_callback[0].bind(); } auto in_p3_callback() { return m_portb_in_callback[1].bind(); } auto out_p3_callback() { return m_portb_out_callback[1].bind(); } auto in_p4_callback() { return m_portb_in_callback[2].bind(); } auto out_p4_callback() { return m_portb_out_callback[2].bind(); } // misc. configuration void set_p0_3state(u8 value) { m_porta_3state[0] = value; } void set_p1_3state(u8 value) { m_porta_3state[1] = value; } void set_p2_3state(u8 value) { m_portb_3state[0] = value; } void set_p3_3state(u8 value) { m_portb_3state[1] = value; } void set_p4_3state(u8 value) { m_portb_3state[2] = value; } protected: // device-level overrides virtual void device_add_mconfig(machine_config &config) override; virtual void device_config_complete() override; virtual void device_resolve_objects() override; virtual void device_start() override; virtual void device_reset() override; // device_execute_interface overrides virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 2 - 1) / 2; } virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 2); } private: // internal I/O handlers u8 porta_r(offs_t offset); void porta_w(offs_t offset, u8 data); u8 portb_r(offs_t offset); void portb_w(offs_t offset, u8 data); u8 portb_control_r(); void portb_control_w(u8 data); // internal helpers void portb_update_output(unsigned n); // internal address maps void internal_ram(address_map &map); void internal_io(address_map &map); // subdevice finders required_device m_kp69; // callback objects devcb_read8::array<2> m_porta_in_callback; devcb_write8::array<2> m_porta_out_callback; devcb_read8::array<3> m_portb_in_callback; devcb_write8::array<3> m_portb_out_callback; // parallel port A state u8 m_porta_data[2]; u8 m_porta_direction[2]; u8 m_porta_3state[2]; // parallel port B state u8 m_portb_data[3]; u8 m_portb_direction; u8 m_portb_3state[3]; }; // device type declaration DECLARE_DEVICE_TYPE(KL5C80A12, kl5c80a12_device) #endif // MAME_CPU_Z80_KL5C80A12_H