Changes
CRTC
,/* Internal Counters */
! Abbr
! Alternate name
! Comment
|-
|Horizontal Character Counter
|HCC
|C0
|
|-
|Horizontal Sync Counter
|HSC
|C3l
|
|-
|Vertical Character Counter
|VCC
|C4
|
|-
|Vertical Sync Counter
|VLC
|C9
|Not an internal counter really as it is shown on the pins as RA
|-
|Vertical Total Adjust Counter
|VTAC
|C5 (or C9 |This counter does not exist on CRTCs 0/3/4). C9 is reused instead
|-
|Frame Counter
|FC
|''|Used for to alternate frames in interlace and for CRTC cursor blinking''
|}
