Intel 815 OBUF0V-Overlay Buffer 0 V Pointer Register, OBUF1U-Overlay Buffer 1 U Pointer Register

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

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15.4.1.4.OBUF_0V—Overlay Buffer 0 V Pointer Register

Memory Address Offset:					0Ch (R/W)
On-chip Reg. Mem Addr Offset:					3010Ch (RO; debug path)
Default Value:					00h
Access:					see address offset above
Size:					32 bits
31			26	25	0
			Reserved		Overlay Buffer 0 V Pointer
		Bit			Description
	31:26		Reserved.
	25:0		Overlay Buffer 0 V Pointer. This register is used for YUV Planar Modes only. It points to the start of
			the V addresses in the interleaved UV formats (byte address).

15.4.1.5.OBUF_1U—Overlay Buffer 1 U Pointer Register

Memory Address Offset:					10h (R/W)
On-chip Reg. Mem Addr Offset:					30110h (RO; debug path)
Default Value:					00h
Access:					see address offset above
Size:					32 bits
31			26	25	0
			Reserved		Overlay Buffer 1 U Pointer
		Bit			Descriptiont
	31:26		Reserved.
	25:0		Overlay Buffer 1 U Pointer. This register is used for YUV Planar Modes only. It points to the start of
			the U addresses in the interleaved UV formats (byte address).

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