INT 16 - PC Tools v5.5+ DESKTOP API - GET/SET ???
AX = FFB7h
BX = direction
0000h copy to buffer
else  copy from buffer
DS:SI -> 70-byte buffer with ???
Return: data copied
Note:   available only when popped up under v6.0+


16FFB7 - PC Tools v5.5+ DESKTOP API - GET/SET ???