// license:BSD-3-Clause // copyright-holders:Rob Justice, R. Belmont /********************************************************************* q68.h Implementation of the Stellation Q-68 68008 card *********************************************************************/ #ifndef MAME_BUS_A2BUS_Q68_H #define MAME_BUS_A2BUS_Q68_H #pragma once #include "a2bus.h" //************************************************************************** // DEVICE TYPE DECLARATION //************************************************************************** DECLARE_DEVICE_TYPE(A2BUS_Q68, a2bus_q68_device) DECLARE_DEVICE_TYPE(A2BUS_Q68PLUS, a2bus_q68plus_device) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class a2bus_68k_device: public device_t, public device_a2bus_card_interface { protected: a2bus_68k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual const tiny_rom_entry *device_rom_region() const override; // overrides of standard a2bus slot functions virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; virtual bool take_c800() override { return false; } uint8_t dma_r(offs_t offset); void dma_w(offs_t offset, uint8_t data); required_device m_m68008; private: bool m_bEnabled; }; class a2bus_q68_device : public a2bus_68k_device { public: a2bus_q68_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual void device_add_mconfig(machine_config &config) override; private: void m68008_mem(address_map &map); }; class a2bus_q68plus_device : public a2bus_68k_device { public: a2bus_q68plus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); static auto parent_rom_device_type() { return &A2BUS_Q68; } protected: virtual void device_add_mconfig(machine_config &config) override; private: void m68008_mem(address_map &map); }; #endif // MAME_BUS_A2BUS_Q68_H