#ifndef EEPROM_H
#define EEPROM_H

struct EEPROM_interface
{
	int address_bits;	/* EEPROM has 2^address_bits cells */
	int data_bits;		/* every cell has this many bits (8 or 16) */
	char *cmd_read;		/*   read command string, e.g. "0110" */
	char *cmd_write;	/*  write command string, e.g. "0111" */
	char *cmd_erase;	/*  erase command string, or 0 if n/a */
	char *cmd_lock;		/*   lock command string, or 0 if n/a */
	char *cmd_unlock;	/* unlock command string, or 0 if n/a */
	int enable_multi_read;/* set to 1 to enable multiple values to be read from one read command */
};


void EEPROM_init(struct EEPROM_interface *interface);

void EEPROM_write_bit(int bit);
int EEPROM_read_bit(void);
void EEPROM_set_cs_line(int state);
void EEPROM_set_clock_line(int state);

void EEPROM_load(void *file);
void EEPROM_save(void *file);

void EEPROM_set_data(UINT8 *data, int length);

/* 93C46 */
struct EEPROM_interface eeprom_interface_93C46;
void nvram_handler_93C46(void *file,int read_or_write);

#endif
