INT 62 u - FGDRIVER v4.02 - "FG_VOICE" - START SOUND
	AX = 00DBh
	BX = channel on TI sound chip
	    1-3 = channels 1-3, 4 = channel 4 with periodic noise,
	    5 = channel 4 with white noise
	CX = frequency in Hz (18-32767 for channels 1-3; 0=512 Hz, 1=1024 Hz,
	      2=2048 Hz for channels 4 and 5)
	DX = volume
	SI = duration in clock ticks (continuous if <= 0)
Program: FGDRIVER is the external video driver for the shareware
	  Fastgraph/Light by Ted Gruber Software
Notes:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474 at AX=0000h)
	This function is only available on the PCjr and Tandy 1000 machines
SeeAlso: AX=0080h,AX=00BCh,AX=00DCh