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  • Drawing a line being slower is actually pretty confusing since the system should be able to recognise flat lines and turn them into fillrect commands.

    I feel like the big issue here is really just the LCD driver and being able to push data fast enough.

    Do you think you'd be in a position to build your own firmware? I know you're on the Amperka board and I think their builds are some way behind Espruino - however if you could build your own firmware there is actually a native SPI LCD driver in­b/master/libs/graphics/lcd_spi_unbuf.c

    If you could include that, suddenly updates would get miles faster


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