Справочник Пользователя для AMD LX 800@0.9W

33234H

The Extended registers are accessed by writing an index value to the CRTC Index register (3B4h or 3D4h) and reading or
writing the register using the CRTC Data register (3B5h or 3D5h). See the description of the I/O Address Select bit in the
Section 6.6.17.1 "VGA Miscellaneous Output" on page 356 for more information on the I/O address of the CRTC registers. 

Read Address

3C6h

Write Address

3C6h

Type

R/W

Reset Value

00h

7:0

PAL_MSK

Palette Mask. These bits enable their respective color bits between the final VGA 8-bit 
pixel output and the DAC palette. The bits are ANDed with the incoming VGA pixel value 
and the result used to address the palette RAM.

R/W

FFh

R/W 

(Note 1)

Note 1. R/W when unlocked, RO otherwise (see Section 6.6.23.1 "ExtendedRegisterLock" for details).

00h

R/W 

00h

R/W 

00h

R/W 

00h

R/W 

BlinkCounterCtl (for Sim/Test)

00h

R/W 

BlinkCounter (for Sim/Test)

00h

R/W 

00h

R/W 

00h