INT 6F - HP Vectra EX-BIOS - "F_PUT_BYTE" - WRITE A BYTE OF DATA TO DEVICE
	AH = 06h
	BP = driver ID (see #03741) for V_HPHIL, others
	AL = value to output
	---if driver is V_HPHIL---
	BX = device address indicator (see #03760)
	DH = HP HIL device major address
	DL = HP-HIL device register (00h-7Fh)
Return: AH = status (see #03744)
	BP,DS destroyed
Desc:	output a byte to a specific HP-HIL device register
Note:	this function is only available if the driver is in the open state
	  (see AX=020Eh"SF_OPEN")
SeeAlso: AH=04h"HP Vectra",AH=08h"F_GET_BYTE",AH=0Ah"F_PUT_BUFFER"
                                                                                

INT 6F - HP Vectra EX-BIOS - "F_SAMPLE" - POLL CURRENT ABSOLUTE POSITION
	AH = 06h
	BP = driver ID (see #03741) for V_LTOUCH, V_LPOINTER, V_LTABLET, etc.
Return: AH = status (see #03744)
	BX = current logical X position
	CX = current logical Y position
	DL = button transitions (bit N = button N state has changed)
	DH = current button states (bit N = current button N state)
	ES:0000h -> logical device's Describe Record (see #03749)
	BP,DS destroyed
SeeAlso: AH=00h"HP Vectra",AX=040Ah"SF_EVENT_ON",AX=040Eh"SF_CLIPPING_ON"