Changes
/* Video memory structure */
!colspan=8|Displayed Pixels
!rowspan=2|Definition
!rowspan=2|Pixel clock
!rowspan=2|Default resolution
|-
!7
|colspan=4 style="text-align: center;"|B
|2 pixels in 16 colours
|4 MHz
|160x200, 20-column text
|-
|1
|colspan=2 style="text-align: center;"|D
|4 pixels in 4 colours
|8 MHz
|320x200, 40-column text
|-
|2
|H
|8 pixels in 2 colours
|16 MHz
|640x200, 80-column text
|-
|3
|colspan=4 style="text-align: center;"|B
|2 pixels in 4 colours
|8 MHz
|320x200, 40-column text
|}
