| ADR | HEXADR | NAME | Description | shadow | OS |
|---|---|---|---|---|---|
| 78 | $004E | DRKMSK | Dark attract mask | none | All |
Set to 254/$FE for normal brightness when the attract mode is inactive (see location 77/$4D ATRACT). Set to 246/$F6 when the attract mode is active to guarantee screen color luminance will not exceed 50%. Initialized to 254/$FE.
See also: