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-rw-r--r--src/mame/machine/decioga.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/mame/machine/decioga.h b/src/mame/machine/decioga.h
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index 00000000000..b723d732f26
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+++ b/src/mame/machine/decioga.h
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/******************************************************************************
+*
+* MIPS DECstation I/O Gate Array emulation
+*
+*
+*/
+
+#ifndef MAME_MACHINE_DECIOGA_H
+#define MAME_MACHINE_DECIOGA_H
+
+#pragma once
+
+#include "emu.h"
+
+class dec_ioga_device : public device_t
+{
+public:
+ dec_ioga_device(const machine_config &mconfig, const char *tag, device_t *owner)
+ : dec_ioga_device(mconfig, tag, owner, (uint32_t)0)
+ {
+ }
+
+ dec_ioga_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ void map(address_map &map);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ DECLARE_READ32_MEMBER(csr_r);
+ DECLARE_WRITE32_MEMBER(csr_w);
+
+private:
+ uint32_t m_csr;
+};
+
+DECLARE_DEVICE_TYPE(DECSTATION_IOGA, dec_ioga_device)
+
+#endif // MAME_MACHINE_DECIOGA_H \ No newline at end of file