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// license:MAME|LGPL-2.1+
// copyright-holders:Michael Zapf
/****************************************************************************
TI-99 SuperAMS memory expansion
See samsmem.c for documentation
Michael Zapf
September 2010
February 2012: Rewritten as class
*****************************************************************************/
#ifndef __SAMSMEM__
#define __SAMSMEM__
#include "emu.h"
#include "peribox.h"
extern const device_type TI99_SAMSMEM;
class sams_memory_expansion_device : public ti_expansion_card_device
{
public:
sams_memory_expansion_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(void);
virtual void device_reset(void);
virtual const rom_entry *device_rom_region(void) const;
private:
UINT8* m_ram;
int m_mapper[16];
bool m_map_mode;
bool m_access_mapper;
};
#endif
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