Layer 2 X Scroll LSB Register: Difference between revisions

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Layer 2 X-offset (0-255) (0 after a reset)
Layer 2 X-offset (0-255) (0 after a reset)
The ninth most significant bit of scroll value is in {{NextRegNo|$71}} (for the 320x256 and 640x256 modes the valid X-offset range is 0..319, so one more bit is needed).

Revision as of 20:00, 31 January 2020

Next Register Number $16
Readable Yes
Writable Yes
Short Description Sets the pixel offset used for drawing Layer 2 graphics on the screen.

Layer 2 X-offset (0-255) (0 after a reset)

The ninth most significant bit of scroll value is in NextReg:$71 (for the 320x256 and 640x256 modes the valid X-offset range is 0..319, so one more bit is needed).