B69000 Asiliant Technologies, B69000 Datasheet - Page 334

• Manufacturer Part Number: B69000
• Manufacturer: Asiliant Technologies

Specifications of B69000

• Lead Free Status / Rohs Status: Supplier Unconfirmed

128x128x1bpp 1-Color and Transparency Mode
This mode provides one color for drawing the cursor and a second color for transparency (which allows the
image behind the cursor to show through).
In this mode, it is possible to have only up to 2 different 2KB patterns stored in a 4KB memory space starting
at the base address specified in the low and high base address registers for the given cursor.
The following tables show how the cursor data is organized in memory and the meaning of the bit for each
position.
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69000 Databook
Pixel Data Bit
0
1
128x128x1bpp 1-Color & Transparency Mode
128x128x1bpp 1-Color & Transparency Mode
Transparent. Pixel of the image behind cursor shows through
Cursor color 2
Hardware Cursor and Pop Up Window
Offset
7FCh
FFCh
00Ch
FF8h
Color Displayed at the Corresponding Pixel Position
000h
004h
008h
010h
014h
7F0h
7F4h
7F8h
800h
804h
Subject to Change Without Notice
Table D-10: Memory Organization
...
...
Table D-11: Pixel Bit Definitions
31-0 on line 0 of pattern 0
63-32 on line 0 of pattern 0
95-64 on line 0 of pattern 0
127-96 on line 0 of pattern 0
31-0 on line 1 of pattern 0
63-32 on line 1 of pattern 0
...
31-0 on line 127 of pattern 0
63-32 on line 127 of pattern 0
95-64 on line 127 of pattern 0
127-96 on line 127 of pattern 0
31-0 on line 0 of pattern 1
63-32 on line 0 of pattern 1
...
95-64 on line 127 of pattern 1
127-96 on line 127 of pattern 1
Pixels
Revision 1.3 8/31/98
D-9