// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************* Technology Research Beta 128 Disk interface *********************************************************************/ #ifndef MAME_BUS_SPECTRUM_BETA128_H #define MAME_BUS_SPECTRUM_BETA128_H #include "exp.h" #include "softlist.h" #include "imagedev/floppy.h" #include "machine/wd_fdc.h" #include "formats/trd_dsk.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class spectrum_beta128_device : public device_t, public device_spectrum_expansion_interface { public: // construction/destruction spectrum_beta128_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); static void floppy_formats(format_registration &fr); DECLARE_INPUT_CHANGED_MEMBER(magic_button); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; virtual void pre_opcode_fetch(offs_t offset) override; virtual uint8_t mreq_r(offs_t offset) override; virtual uint8_t iorq_r(offs_t offset) override; virtual void iorq_w(offs_t offset, uint8_t data) override; virtual DECLARE_READ_LINE_MEMBER(romcs) override; // passthru 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 void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); } required_memory_region m_rom; required_device m_fdc; required_device_array m_floppy; required_device m_exp; required_ioport m_switch; int m_romcs; u8 m_control; bool m_motor_active; bool m_128rom_bit; void fdc_hld_w(int state); void motors_control(); }; // device type definition DECLARE_DEVICE_TYPE(SPECTRUM_BETA128, spectrum_beta128_device) #endif // MAME_BUS_SPECTRUM_BETA128_H