Changes
CRTC
,/* CRTC registers */
|15||Cursor Address (Low)||colspan=3 style="text-align: center;"|Read/Write||00000000||0||
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|16||Light Pen Address (High)||colspan=3 style="text-align: center;"|Read||xx000000||||On CRTC1, bit6 of Status register goes to 0 when R16 is read.
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|17||Light Pen Address (Low)||colspan=3 style="text-align: center;"|Read||00000000||||On CRTC1, bit6 of Status register goes to 0 when R17 is read.
|-
|}
