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// license:LGPL-2.1+
// copyright-holders:Michael Zapf
/****************************************************************************
Geneve "Memex" memory expansion
See memex.c for documentation
Michael Zapf, February 2011
February 2012: Rewritten as class
*****************************************************************************/
#ifndef __MEMEXMEM__
#define __MEMEXMEM__
#include "emu.h"
#include "peribox.h"
extern const device_type TI99_MEMEX;
class geneve_memex_device : public ti_expansion_card_device
{
public:
geneve_memex_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8Z_MEMBER(readz);
DECLARE_WRITE8_MEMBER(write);
DECLARE_READ8Z_MEMBER(crureadz) { };
DECLARE_WRITE8_MEMBER(cruwrite) { };
protected:
virtual void device_start();
virtual void device_reset();
virtual ioport_constructor device_input_ports() const;
virtual const rom_entry *device_rom_region() const;
private:
bool access_enabled(offs_t offset);
UINT8* m_ram;
UINT8 m_dip_switch[8];
int m_genmod;
};
#endif
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