Tilemap Offset X MSB Register
From SpecNext official Wiki
| Number | $2F |
|---|---|
| Readable | Yes |
| Writable | Yes |
| Short Description | Sets the pixel offset (two high bits) used for drawing Tilemap graphics on the screen. |
- Bits 7-2 Reserved, must be 0
- Bits 1-0 Tilemap X-offset, top two bits of it (0 after a reset)
Meaningful Range is 0-319 in 40 char mode, 0-639 in 80 char mode.
The low eight bits of the offset value are stored in Tilemap Offset X LSB Register ($30).