Changes
CRTC
,/* Reading from CRTC registers on ASIC/Pre-ASIC */
|'''Nb'''||'''Register'''||'''Definition'''
|-
|0||16R16||Light Pen Address (High)
|-
|1||17R17||Light Pen Address (Low)
|-
|2||10R10||Cursor Start Raster
|-
|3||11R11||Cursor End Raster
|-
|4||12R12||Display Start Address (High)
|-
|5||13R13||Display Start Address (Low)
|-
|6||14R14||Cursor Address (High)
|-
|7||15R15||Cursor Address (Low)
|}