Changes
/* Video memory structure */
|colspan=4 style="text-align: center;"|A
|colspan=4 style="text-align: center;"|B
|2 pixels in 16 colorscolours
|-
|1
|G
|H
|8 pixels in 2 colorscolours
|-
|3
|colspan=4 style="text-align: center;"|A
|colspan=4 style="text-align: center;"|B
|2 pixels in 4 colorscolours
|}
