Fujitsu MB86R02 Jade-D Hardware Manual page 458

MB86R02 'Jade-D' Hardware Manual V1.64
Bit 14 SC1en6 (screen 1 enable 6)
0:
1:
Bit 15 SC1en7 (screen 1 enable 7)
0:
1:
Bit 31 MDen (multi display enable)
This enables multi or dual display mode
0:
1:
18-100
Cursor 0 is not included into screen 1
Cursor 0 is included into screen 1
Cursor 1 is not included into screen 1
Cursor 1 is included into screen 1
Single display mode
Dual display mode