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iAudio M3: Optimised LCD driver, with more/better assembly code. Speedup is ~80% when boosted, ~15% when unboosted. Also implemented grey phase blitting. * Adapted the greyscale library, and the plugins using it. * Fixed a bug in greyscale scroll down for vertically packed pixels.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16809 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-03-25 23:21:36 +00:00
parent 6ceaf321f3
commit 40919d7db2
20 changed files with 744 additions and 315 deletions
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4
apps/plugins/lib/grey_parm.c
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@ -34,8 +34,8 @@ void grey_set_position(int x, int y)
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
_grey_info.bx = (x + 4) >> 3;
x = 8 * _grey_info.bx;
#else
#if LCD_DEPTH == 1
#else /* vertical packing or vertical interleaved */
#if (LCD_DEPTH == 1) || (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)
_grey_info.by = (y + 4) >> 3;
y = 8 * _grey_info.by;
#elif LCD_DEPTH == 2