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Diffstat (limited to 'src/devices/bus/sbus/bwtwo.h')
-rw-r--r-- | src/devices/bus/sbus/bwtwo.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/devices/bus/sbus/bwtwo.h b/src/devices/bus/sbus/bwtwo.h new file mode 100644 index 00000000000..e872d5d3813 --- /dev/null +++ b/src/devices/bus/sbus/bwtwo.h @@ -0,0 +1,52 @@ +// 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_READ32_MEMBER(vram_r); + DECLARE_WRITE32_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_shared_ptr<uint32_t> m_vram; + required_memory_region m_rom; + std::unique_ptr<uint32_t[]> m_vram; + required_device<screen_device> m_screen; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SBUS_BWTWO, sbus_bwtwo_device) + +#endif // MAME_BUS_SBUS_BWTWO_H |