INT 94 u - Media Vision PCM.COM - TIMER CONTROL                                 
	AL = 10h
	SI = 8017h
	AH = timer options (see #04003)
	DX:CX = delay if AH bit 7 set (one-shot if DX bit 15 set)
Return: ???
SeeAlso: AL=08h/SI=8017h


Bitfields for PCM.COM timer options:
Bit(s)	Description	(Table 04003)
 7	set timer
 6	timer active (timer turned off if clear)
 5-0	timer number