If this location is set to a value other than zero, the ANTIC omits that number of color cyvles in that line. In other word, ANTIC start displaying that number of color cycles line "later", the picture is shifted "left".

Only the lower 4 bits of this register are used, so the maximum value is 15.

to be added: table showing antic modes and maximum value for each mode.

see also: Display List topics, VSCROL