// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** CST Q+4 emulation **********************************************************************/ #ifndef MAME_BUS_QL_CST_Q_PLUS4_H #define MAME_BUS_QL_CST_Q_PLUS4_H #pragma once #include "exp.h" #include "machine/6821pia.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> cst_q_plus4_device class cst_q_plus4_device : public device_t, public device_ql_expansion_card_interface { public: // construction/destruction cst_q_plus4_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; // device_ql_expansion_card_interface overrides virtual uint8_t read(offs_t offset, uint8_t data) override; virtual void write(offs_t offset, uint8_t data) override; private: DECLARE_WRITE_LINE_MEMBER( exp1_extintl_w ) { m_exp1_extinl = state; update_extintl(); } DECLARE_WRITE_LINE_MEMBER( exp2_extintl_w ) { m_exp2_extinl = state; update_extintl(); } DECLARE_WRITE_LINE_MEMBER( exp3_extintl_w ) { m_exp3_extinl = state; update_extintl(); } DECLARE_WRITE_LINE_MEMBER( exp4_extintl_w ) { m_exp4_extinl = state; update_extintl(); } void update_extintl() { m_slot->extintl_w(m_exp1_extinl || m_exp2_extinl || m_exp3_extinl || m_exp4_extinl); } required_device m_exp1; required_device m_exp2; required_device m_exp3; required_device m_exp4; required_memory_region m_rom; int m_exp1_extinl; int m_exp2_extinl; int m_exp3_extinl; int m_exp4_extinl; }; // device type definition DECLARE_DEVICE_TYPE(CST_Q_PLUS4, cst_q_plus4_device) #endif // MAME_BUS_QL_CST_Q_PLUS4_H