=>	R0 =	0
	R1 =	flags clear mask
	R2 =	flags exclusive-or mask

<=	R0 =	preserved
	R1 =	new flags status
	R2 =	old flags status

Flag bits summary

bit	bit clear	bit set
bit 0	frequency modulation	no frequency modulation
bit 1	static buffers	transient buffers
bit 2	independent volume	volume scaled by system volume
bit 3	deprecated	deprecated
bit 4	linear interpolation	no interpolation
bit 5	play mono as mono	play mono as psuedo stereo
bit 6	reserved	reserved
bit 7	close at end of play	close at end of file
bit 8	RMA buffer	dynamic area buffer
bit 9	Messages enabled	Messages disabled
bit 10	Open can pre-empt	Open cannot pre-empt

Other bits are reserved and should be zero. Bit 6 was used for an experimental stereo surround mode and is currently disabled. Bit 3 was the old play looping control which has been replaced by PlayIt_SetLoop .

Example:

To set bit 2;	R1=1<<2, R2=1<<2
To clear bit 4;	R1=1<<4; R2=0
To read all bits;	R1=0; R2=0

The default configuration is all bits zero.

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