| ADR | HEXADR | NAME | Description | shadow | OS |
|---|
| 122 | $007A | COLINC | | none | A |
The column increment or decrement value (plus or minus one).
ROWINC and
COLINC control the direction of the line drawing routine. The values represent the signs derived from the value in
NEWROW (location 96/$60) minus the value in
ROWCRS (location 84/$54) and the value in
NEWCOL (locations 97,98/$61,$62) minus the value in
COLCRS (locations 85,86/$55,$56).