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Subject: Re: Upside down

Re: Upside down

From: BlueChip <>
Date: Thu, 11 Dec 2003 15:40:29 +0000

> > Not being a rockbox hacker (no time), this is just what I saw with a
> > quick glance of the LCD driver code:
> >
> > lcd_write(true, LCD_SET_COM_OUTPUT_SCAN_DIRECTION + 8); /* mirror
> > vertical: 1 */
> >
> > So, appearently the LCD can read the data in reverse, which negates
> > having to bitswap everything before you display it.
>Not quite, this only changes the X readout direction, would mirror the
>display. The bitswapping is still the required downside, but we already have a
>table for that (needed in the MPEG code)

and has anybody considered that all the keys would be wrong and require
simliar mirroring?
Received on 2003-12-11

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