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Scrolling is broken on 1bpp displays #1

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avsa242 opened this issue Jun 16, 2020 · 1 comment
Open

Scrolling is broken on 1bpp displays #1

avsa242 opened this issue Jun 16, 2020 · 1 comment
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bug Something isn't working longterm Much greater difficulty issue that will take an unusually long time

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avsa242 commented Jun 16, 2020

Scrolling a region of the display doesn't currently work for 1bpp drivers, e.g., SSD1306/9, IL3820, Charlieplexed LED matrix
These displays present a somewhat unique problem in that every byte of the display memory actually affects 8 pixels, so it isn't as simple as a bytemove
@avsa242 avsa242 added the bug Something isn't working label Jun 16, 2020
@avsa242 avsa242 self-assigned this Oct 19, 2021
@avsa242 avsa242 added the longterm Much greater difficulty issue that will take an unusually long time label Oct 19, 2021
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avsa242 commented Mar 19, 2023

This is improved for some cases, e.g. when text would scroll off the screen. Reference 5bb86e1

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