AMD Geode LX 600@0.7W Data Book page 438

33234H
6.8.3.22 Cursor Color 2 (CC2)
VP Memory Offset 0B8h
Type R/W
Reset Value 00000000_00000000h
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
RSVD
Bit Name
63:24 RSVD (RO)
23:0 CUR_COLOR_
REG2
6.8.3.23 Alpha Window 1 X Position (A1X)
VP Memory Offset 0C0h
Type R/W
Reset Value 00000000_00000000h
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
RSVD
Bit Name
63:28 RSVD (RO)
27:16 ALPHA1_X_
END
15:12 RSVD (RO)
11:0 ALPHA1_X_
START
Note 1. H_TOTAL and H_SYNC_END are values programmed in the Display Controller module registers.
The value of (H_TOTAL – H_SYNC_END) is sometimes referred to as "horizontal back porch."
438
CC2 Register Map
CC2 Bit Descriptions
Description
Reserved (Read Only). Reads back as 0.
Cursor Color Register 2. Specifies a 24-bit cursor color value. This is an RGB value (for
RGB blending).
This is one of two possible cursor color values.COLOR_REG_OFFSET (VP Memory Off-
set 0A0h[28:24] determine a bit of the graphics data that if odd, selects this color to be
used.
A1X Register Map
ALPHA1_X_END
A1X Bit Descriptions
Description
Reserved (Read Only). Reads back as 0.
Alpha Window 1 X End. Indicates the horizontal end position of alpha window 1. This
value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 1. (Note 1)
Reserved (Read Only). Reads back as 0.
Alpha Window 1 X Start. Indicates the horizontal start position of alpha window 1. This
value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 2. (Note 1)
Video Processor Register Descriptions
RSVD
CUR_COLOR_REG2
RSVD
RSVD
AMD Geode™ LX Processors Data Book
9 8 7 6 5 4 3 2
9 8 7 6 5 4 3 2
ALPHA1_X_START
1 0
1 0