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-rw-r--r--src/devices/bus/vic20/vic1210.h51
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diff --git a/src/devices/bus/vic20/vic1210.h b/src/devices/bus/vic20/vic1210.h
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+++ b/src/devices/bus/vic20/vic1210.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Commodore VIC-1210 3K RAM Expansion Cartridge emulation
+ Commodore VIC-1211A Super Expander with 3K RAM Cartridge emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __VIC1210__
+#define __VIC1210__
+
+#include "emu.h"
+#include "exp.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> vic1210_device
+
+class vic1210_device : public device_t,
+ public device_vic20_expansion_card_interface
+{
+public:
+ // construction/destruction
+ vic1210_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_vic20_expansion_card_interface overrides
+ virtual UINT8 vic20_cd_r(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3);
+ virtual void vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3);
+
+private:
+ optional_shared_ptr<UINT8> m_ram;
+};
+
+
+// device type definition
+extern const device_type VIC1210;
+
+
+
+#endif