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-rw-r--r--src/mame/apple/csc.h55
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diff --git a/src/mame/apple/csc.h b/src/mame/apple/csc.h
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+
+#ifndef MAME_APPLE_CSC_H
+#define MAME_APPLE_CSC_H
+
+#pragma once
+
+#include "emupal.h"
+#include "screen.h"
+
+class csc_device : public device_t
+{
+public:
+ csc_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+ virtual ~csc_device() = default;
+
+ auto write_irq() { return m_irq.bind(); }
+
+ void map(address_map &map) ATTR_COLD;
+
+ void set_panel_id(int panel_id);
+ void set_pmu_blank(bool blank) { m_pmu_blank_display = blank; }
+
+protected:
+ // device_t overrides
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+private:
+ required_device<screen_device> m_screen;
+ required_device<palette_device> m_palette;
+ devcb_write_line m_irq;
+
+ std::unique_ptr<u32[]> m_vram;
+
+ u8 m_csc_regs[0x50];
+ u8 m_csc_panel_id;
+ int m_pal_idx;
+ bool m_pmu_blank_display;
+
+ u32 screen_update_csc(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ u8 csc_r(offs_t offset);
+ void csc_w(offs_t offset, u8 data);
+ void csc_irq_w(int state);
+
+ u32 vram_r(offs_t offset);
+ void vram_w(offs_t offset, u32 data, u32 mem_mask);
+};
+
+DECLARE_DEVICE_TYPE(CSC, csc_device)
+
+#endif /* MAME_APPLE_CSC_H */