// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Grundy NewBrain FDC emulation **********************************************************************/ #ifndef MAME_BUS_NEWBRAIN_FDC_H #define MAME_BUS_NEWBRAIN_FDC_H #pragma once #include "exp.h" #include "cpu/z80/z80.h" #include "imagedev/floppy.h" #include "machine/upd765.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> newbrain_fdc_device class newbrain_fdc_device : public device_t, public device_newbrain_expansion_slot_interface { public: // construction/destruction newbrain_fdc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; // device_newbrain_expansion_slot_interface overrides virtual uint8_t mreq_r(offs_t offset, uint8_t data, bool &romov, int &exrm, bool &raminh) override; virtual void mreq_w(offs_t offset, uint8_t data, bool &romov, int &exrm, bool &raminh) override; virtual uint8_t iorq_r(offs_t offset, uint8_t data, bool &prtov) override; virtual void iorq_w(offs_t offset, uint8_t data, bool &prtov) override; private: DECLARE_WRITE_LINE_MEMBER( fdc_int_w ); void fdc_auxiliary_w(uint8_t data); uint8_t fdc_control_r(); void io_dec_w(uint8_t data); void newbrain_fdc_io(address_map &map); void newbrain_fdc_mem(address_map &map); required_device m_maincpu; required_device m_fdc; required_device_array m_floppy; required_device m_exp; void moton(int state); int m_paging; int m_ma16; int m_mpm; int m_fdc_att; int m_fdc_int; int m_pa15; }; // device type definition DECLARE_DEVICE_TYPE(NEWBRAIN_FDC, newbrain_fdc_device) #endif // MAME_BUS_NEWBRAIN_FDC_H