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Table 3072

Format of IPI load screen structure:
Offset	Size	Description	)
 00h	BYTE	style
		44h ('D') diamond style
		4Ch ('L') line style
 01h	BYTE	reserved (00h)
 02h	WORD	frequency in lines per inch [sic]
		currently, coerced to nearest of 50, 60, 68, 70, 75, 85, or 100
 04h	WORD	screen angle in degrees (-360 to 360)
		currently coerced to nearest of -45, 0, 45, or 90

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