BLTSIZE¶

Address	Name	Description
DFF058	BLTSIZE	Blitter start and size (width, height)

Overview¶

This register contains the width and height of the blitter operation (in line mode width must = 2, height = line length). Writing to this register will start the Blitter, and should be done last, after all pointers and control registers have been initialized.

Bit	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01	00
	H9	H8	H7	H6	H5	H4	H3	H2	H1	H0	W5	W4	W3	W2	W1	W0

H = Height = Vertical lines (10 bits = 1024 lines max) W = Width = Horiz pixels (6 bits = 64 words = 1024 pixels max)

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page revision: 0, last edited: 05 Feb 2011 11:14

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