INT 16 - PC Tools v5.1+ DESKTOP API - DISPLAY PRINT OPTIONS MENU
AX = FFD1h
Return: BX = number of copies
DX = destination
00h cancel
01h LPT1
02h LPT2
03h LPT3
04h COM1
05h COM2
06h disk file
Note:   available only when popped up


16FFD1 - PC Tools v5.1+ DESKTOP API - DISPLAY PRINT OPTIONS MENU