typedef struct
{
	unsigned char buffer[0x80];
	unsigned int sector;
	unsigned char command;

	char *name;
	unsigned char serial[16];
	int type;

} drivestruct;

drivestruct drives[256];

char defdiskname[256];
char defdisktype;

extern int drive_io_penality;

void drive();
void drive_store(int id, int ptr, unsigned char value);
unsigned char drive_load(int id, int ptr);
void drive_type(int id, int type);