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// license:LGPL-2.1+
// copyright-holders:Michael Zapf
/****************************************************************************
SNUG HSGPL card emulation.
See hsgpl.c for documentation
Raphael Nabet, 2003.
Michael Zapf
October 2010: Rewritten as device
February 2012: Rewritten as class
*****************************************************************************/
#ifndef __HSGPL__
#define __HSGPL__
#include "emu.h"
#include "peribox.h"
#include "machine/at29040a.h"
extern const device_type TI99_HSGPL;
class snug_high_speed_gpl_device : public ti_expansion_card_device
{
public:
snug_high_speed_gpl_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 void device_stop(void);
virtual void device_config_complete(void);
virtual ioport_constructor device_input_ports() const;
virtual machine_config_constructor device_mconfig_additions() const;
private:
at29040a_device* m_dsr_eeprom;
at29040a_device* m_rom6_eeprom;
at29040a_device* m_grom_a_eeprom;
at29040a_device* m_grom_b_eeprom;
UINT8* m_ram6_memory;
UINT8* m_gram_memory;
void dsrspace_readz(address_space& space, offs_t offset, UINT8* value, UINT8 mem_mask);
void cartspace_readz(address_space& space, offs_t offset, UINT8* value, UINT8 mem_mask);
void grom_readz(address_space& space, offs_t offset, UINT8* value, UINT8 mem_mask);
void cartspace_write(address_space& space, offs_t offset, UINT8 data, UINT8 mem_mask);
void grom_write(address_space& space, offs_t offset, UINT8 data, UINT8 mem_mask);
bool m_dsr_enabled;
bool m_gram_enabled;
bool m_bank_inhibit;
int m_dsr_page;
bool m_card_enabled;
bool m_write_enabled;
bool m_supercart_enabled;
bool m_led_on;
bool m_mbx_enabled;
bool m_ram_enabled;
bool m_flash_mode;
int m_current_grom_port;
int m_current_bank;
int m_module_bank;
// GROM emulation
bool m_waddr_LSB;
bool m_raddr_LSB;
int m_grom_address;
};
#endif
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