Changes
CRTC
,/* The Internal registers of the 6845 are */
|2||Horizontal Sync Position||00000000||46||When to start the HSync signal.
|-
|3||Horizontal and Vertical Sync Widths||VxxxHHHHVVVVHHHH||128+14||HSync pulse up to 15 width in characters wide(0 means 16 on some CRTC), should always be more than 8; VSync bit not present width in scan-lines. (0 means 16 on some CRTCsCRTC.Not present on all CRTCs, fixed to 16 lines on these)
|-
|4||Vertical Total||x0000000||38||Height of the screen, in characters.
