B69000 Asiliant Technologies, B69000 Datasheet - Page 165

• Manufacturer Part Number: B69000
• Manufacturer: Asiliant Technologies

Specifications of B69000

• Lead Free Status / Rohs Status: Supplier Unconfirmed

13-4
PALRX
write-only at I/O address 3C7h
7-0
PALWX
read/write at I/O address 3C8
7-0
&+,36
7
7
Palette Read Index
Palette Write Index
69000 Databook
This 8-bit value is an index that selects 1 of the 256 standard locations within the palette
(or 1 of 8 alternate locations specifically for hardware cursor and popup colors, depending
on the setting of bit 0 of XR80) to be read from via the Palette Data Register (PALDATA).
The index value held in this register is automatically incremented when all three bytes of
the color data position selected by the current index have been read.
This 8-bit value is an index that selects 1 of the 256 standard locations within the palette
(or 1 of 8 alternate locations specifically for hardware cursor and popup colors, depending
on the setting of bit 0 of XR80) to be written to via the Palette Data Register (PALDATA).
The index value held in this register is automatically incremented when all three bytes of
the color data position selected by the current index have been written.
Palette Read Index Register
Palette Write Index Register
6
6
5
5
Subject to Change Without Notice
Palette Registers
Palette Read Index
Palette Write Index
4
4
3
3
2
2
Revision 1.3 8/31/98
1
1
0
0