Mitsubishi Electric LS Pro Hardware Technical Reference page 115

Memory and I/O Usage
The index register is an index to the attribute data registers. Unlike the other index
registers of the VGA adapter, the attribute index and data registers are located at the
same I/O address. Alternate writes are to the index and then the data register.
Register
Attribute controller index register
Attribute controller data register
R - read
W - write
M - monochrome
C - colour
The following table shows the index values and the registers that are accessed by them:
Register
Palette
Attribute mode control
Overscan control
Colour plane enable
Horizontal pixel panning
Colour select
These are standard VGA registers and are not described in further detail here.
5/24 LS PRO HARDWARE TECHNICAL REFERENCE
Address
03C0h (RWMC)
03C0h (WMC)
03C1h (RMC)
Index
00h to 0Fh
10h
11h
12h
13h
14h