// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Fuller Box Games Unit **********************************************************************/ #ifndef MAME_BUS_SPECTRUM_FULLER_H #define MAME_BUS_SPECTRUM_FULLER_H #pragma once #include "exp.h" #include "sound/ay8910.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> spectrum_fuller_device class spectrum_fuller_device : public device_t, public device_spectrum_expansion_interface { public: // construction/destruction spectrum_fuller_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 void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; virtual uint8_t iorq_r(offs_t offset) override; virtual void iorq_w(offs_t offset, uint8_t data) override; // passthru virtual void pre_opcode_fetch(offs_t offset) override { m_exp->pre_opcode_fetch(offset); }; virtual void post_opcode_fetch(offs_t offset) override { m_exp->post_opcode_fetch(offset); }; virtual void pre_data_fetch(offs_t offset) override { m_exp->pre_data_fetch(offset); }; virtual void post_data_fetch(offs_t offset) override { m_exp->post_data_fetch(offset); }; virtual uint8_t mreq_r(offs_t offset) override { return m_exp->romcs() ? m_exp->mreq_r(offset) : 0xff; } virtual void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); } virtual DECLARE_READ_LINE_MEMBER(romcs) override { return m_exp->romcs(); } private: required_device m_exp; required_device m_psg; required_ioport m_joy; }; // device type definition DECLARE_DEVICE_TYPE(SPECTRUM_FULLER, spectrum_fuller_device) #endif // MAME_BUS_SPECTRUM_FULLER_H