PA0_OUT	EQU	0x00
PA0_IN	EQU	0x01
PA1_OUT	EQU	0x00
PA1_IN	EQU	0x02
PA2_OUT	EQU	0x00
PA2_IN	EQU	0x04
PA3_OUT	EQU	0x00
PA3_IN	EQU	0x08
PA4_OUT	EQU	0x00
PA4_IN	EQU	0x10
PA5_OUT	EQU	0x00
PA5_IN	EQU	0x20
PA6_OUT	EQU	0x00
PA6_IN	EQU	0x40
PA7_OUT	EQU	0x00
PA7_IN	EQU	0x80
PB0_OUT	EQU	0x00
PB0_IN	EQU	0x01
PB1_OUT	EQU	0x00
PB1_IN	EQU	0x02
PB2_OUT	EQU	0x00
PB2_IN	EQU	0x04
PB3_OUT	EQU	0x00
PB3_IN	EQU	0x08
PB4_OUT	EQU	0x00
PB4_IN	EQU	0x10
PB5_OUT	EQU	0x00
PB5_IN	EQU	0x20
PB6_OUT	EQU	0x00
PB6_IN	EQU	0x40
PB7_OUT	EQU	0x00
PB7_IN	EQU	0x80
;		PA_CONF	EQU	PA0_OUT|PA1_OUT|PA2_OUT|PA3_OUT|PA4_OUT
;		PB_CONF	EQU	PB0_OUT|PB1_OUT|PB2_OUT|PB3_OUT|PB4_OUT|PB5_OUT|PB6_OUT|PB7_OUT