Rockbox mail archiveSubject: RE: Upside down
RE: Upside down
From: TP Diffenbach <rockbox_at_diffenbach.org>
Date: Thu, 11 Dec 2003 10:50:28 -0500
It does, but it's one bit at a time, so we would need 8 or 16 of them.
whether or not that might be faster than table lookup is unknown.
Does the SH1 instruction set include a rotate carry left instruction?
From: owner-rockbox_at_cool.haxx.se [mailto:owner-rockbox_at_cool.haxx.se]On
Behalf Of Daniel Stenberg
Sent: Thursday, December 11, 2003 8:47 AM
Subject: Re: Upside down
On Thu, 11 Dec 2003, Johan Vromans wrote:
> So instead of buying a extension cord, would it be easy and
> to change the display to show its contents 180 degrees rotated?
It would only be a matter of changing
firmware/drivers/lcd-recorder.c:lcd_update() to draw the screen up-side-down
instead. Every byte of the frame buffer would need to be bitswapped, but...
-- Daniel Stenberg -- http://rockbox.haxx.se/ -- http://daniel.haxx.se/Received on 2003-12-11