// license:BSD-3-Clause // copyright-holders:Ryan Holtz /*************************************************************************** Sun bwtwo monochrome video controller ***************************************************************************/ #ifndef MAME_BUS_SBUS_BWTWO_H #define MAME_BUS_SBUS_BWTWO_H #pragma once #include "sbus.h" class sbus_bwtwo_device : public device_t, public device_sbus_card_interface { public: // construction/destruction sbus_bwtwo_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device_t overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; virtual void device_start() override; // device_sbus_slot_interface overrides virtual void install_device() override; DECLARE_READ8_MEMBER(regs_r); DECLARE_WRITE8_MEMBER(regs_w); DECLARE_READ32_MEMBER(rom_r); DECLARE_READ8_MEMBER(vram_r); DECLARE_WRITE8_MEMBER(vram_w); private: uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); void mem_map(address_map &map) override; required_memory_region m_rom; std::unique_ptr m_vram; required_device m_screen; uint32_t m_mono_lut[256][8]; }; DECLARE_DEVICE_TYPE(SBUS_BWTWO, sbus_bwtwo_device) #endif // MAME_BUS_SBUS_BWTWO_H