#define CAETLA_NOP			0x00

#define CAETLA_MENU			0x01
// outb menu
#define CAETLA_MENU_MM		0x00	// main menu
#define CAETLA_MENU_MCM		0x01	// memory card manager
#define CAETLA_MENU_FBV		0x02	// frame buffer viewer
#define CAETLA_MENU_RSRV	0x03	// reserved
#define CAETLA_MENU_CDM		0x04	// cdrom menu
// mosikuha
#define CAETLA_MENU_CURRENT	0xff	// returns the above

#define CAETLA_RESET		0x02

#define CAETLA_				0x03

// hurado
#define CAETLA_				0x04
#define CAETLA_xx_OFF		0x00
#define CAETLA_xx_ON		0x01

#define CAETLA_RESERVED_5	0x05
#define CAETLA_RESERVED_6	0x06
#define CAETLA_RESERVED_7	0x07

#define CAETLA_				0x08
#define CAETLA_				0x00
#define CAETLA_				0x02
#define CAETLA_				0x04

#define CAETLA_				0x09
// in: status
// bit0: bit1: bit2

// define A-F: reserved.

#define CAETLA_12: reset ? PS wo resett0 shimasu. XXXX comando te $03 blablabla
#define CAETLA_13			0x03
#define CAETLA_				0x03
#define CAETLA_				0x03

17: jal outb(4b)

18: flash

