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-rw-r--r--src/devices/bus/vip/vp570.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/devices/bus/vip/vp570.h b/src/devices/bus/vip/vp570.h
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+++ b/src/devices/bus/vip/vp570.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ RCA VIP Memory Expansion Board VP-570 emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __VP570__
+#define __VP570__
+
+#include "emu.h"
+#include "exp.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> vp570_device
+
+class vp570_device : public device_t,
+ public device_vip_expansion_card_interface
+{
+public:
+ // construction/destruction
+ vp570_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_vip_expansion_card_interface overrides
+ virtual UINT8 vip_program_r(address_space &space, offs_t offset, int cs, int cdef, int *minh);
+ virtual void vip_program_w(address_space &space, offs_t offset, UINT8 data, int cdef, int *minh);
+
+private:
+ optional_shared_ptr<UINT8> m_ram;
+ required_ioport m_base;
+ required_ioport m_sw1;
+};
+
+
+// device type definition
+extern const device_type VP570;
+
+
+#endif