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-rw-r--r--src/devices/bus/hp_dio/hp98550.h78
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diff --git a/src/devices/bus/hp_dio/hp98550.h b/src/devices/bus/hp_dio/hp98550.h
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+++ b/src/devices/bus/hp_dio/hp98550.h
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+// license:BSD-3-Clause
+// copyright-holders:Sven Schnelle
+
+#ifndef MAME_BUS_HPDIO_98550_H
+#define MAME_BUS_HPDIO_98550_H
+
+#pragma once
+
+#include "hp_dio.h"
+#include "video/catseye.h"
+#include "video/nereid.h"
+#include "machine/ram.h"
+
+namespace bus {
+ namespace hp_dio {
+class dio32_98550_device :
+ public device_t,
+ public device_dio16_card_interface,
+ public device_memory_interface
+{
+public:
+ dio32_98550_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(topcat_r);
+ DECLARE_WRITE16_MEMBER(topcat_w);
+ DECLARE_READ16_MEMBER(catseye_r);
+ DECLARE_WRITE16_MEMBER(catseye_w);
+
+ DECLARE_READ16_MEMBER(vram_r);
+ DECLARE_WRITE16_MEMBER(vram_w);
+
+ static constexpr int CATSEYE_COUNT = 8;
+
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+protected:
+ required_device<nereid_device> m_nereid;
+ required_device_array<catseye_device, CATSEYE_COUNT> m_catseye;
+
+ dio32_98550_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;
+
+ DECLARE_WRITE_LINE_MEMBER(vblank_w);
+ DECLARE_WRITE8_MEMBER(int_w);
+
+ const address_space_config m_space_config;
+ void map(address_map &map);
+ void update_int();
+
+ static constexpr int m_fb_width = 2048;
+ static constexpr int m_h_pix = 1280;
+ static constexpr int m_v_pix = 1024;
+
+ required_region_ptr<uint8_t> m_rom;
+ required_shared_ptr_array<uint8_t, 2> m_vram;
+
+ uint16_t m_plane_mask;
+ uint8_t m_intreg;
+ uint8_t m_ints;
+};
+
+} // namespace bus::hp_dio
+} // namespace bus
+
+// device type definition
+DECLARE_DEVICE_TYPE_NS(HPDIO_98550, bus::hp_dio, dio32_98550_device)
+
+#endif // MAME_BUS_HPDIO_98550_H