diff options
Diffstat (limited to 'src/devices/bus/hp_dio/hp98543.h')
-rw-r--r-- | src/devices/bus/hp_dio/hp98543.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/devices/bus/hp_dio/hp98543.h b/src/devices/bus/hp_dio/hp98543.h new file mode 100644 index 00000000000..0f7110f3787 --- /dev/null +++ b/src/devices/bus/hp_dio/hp98543.h @@ -0,0 +1,59 @@ +// license:BSD-3-Clause +// copyright-holders:Sven Schnelle + +#ifndef MAME_BUS_HPDIO_98543_H +#define MAME_BUS_HPDIO_98543_H + +#pragma once + +#include "hp_dio.h" +#include "video/topcat.h" +#include "video/nereid.h" +#include "machine/ram.h" + +class dio16_98543_device : + public device_t, + public device_dio16_card_interface, + public device_memory_interface +{ +public: + dio16_98543_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_READ16_MEMBER(rom_r); + DECLARE_WRITE16_MEMBER(rom_w); + + DECLARE_READ16_MEMBER(ctrl_r); + DECLARE_WRITE16_MEMBER(ctrl_w); + DECLARE_READ16_MEMBER(vram_r); + DECLARE_WRITE16_MEMBER(vram_w); + + required_device_array<topcat_device, 4> m_topcat; + required_device<nereid_device> m_nereid; + + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); +protected: + dio16_98543_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 void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual space_config_vector memory_space_config() const override; +private: + const address_space_config m_space_config; + void map(address_map &map); + + static constexpr int m_h_pix = 1024; + static constexpr int m_v_pix = 400; + + required_region_ptr<uint8_t> m_rom; + required_shared_ptr<uint8_t> m_vram; + +}; + +// device type definition +DECLARE_DEVICE_TYPE(HPDIO_98543, dio16_98543_device) + +#endif // MAME_BUS_HPDIO_98543_H |