INT 21 - Novell NetWare - WAIT ON SEMAPHORE                                     
	AX = F26Fh subfn 02h
	CX = length of request packet in bytes
	DX = 0000h (no reply packet)
	DS:SI -> request packet (see #02484)
	ES:DI ignored
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=F2h"Novell",AX=F26Fh/SF=00h,AX=F26Fh/SF=04h


Format of NetWare "Wait on Semaphore" request packet:
Offset	Size	Description	(Table 02484)
 00h	BYTE	02h (subfunction "Wait on Semaphore")
 01h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	semaphore handle
 05h	WORD	timeout in clock ticks (0000h = no wait)