Jens Arnold 41cd44caa7 Greyscale ipod lcd driver: * Assembler optimised low level functions. PP5002 targets benefit most (lcd_update() speedup >50%, and the greyscale overlay no longer makes mp3 playback skip). * Consistent brace placement style. ... git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16060 a1c6a512-1295-4272-9138-f99709370657		2008-01-12 00:59:18 +00:00
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arm	Greyscale ipod lcd driver: * Assembler optimised low level functions. PP5002 targets benefit most (lcd_update() speedup >50%, and the greyscale overlay no longer makes mp3 playback skip). * Consistent brace placement style.	2008-01-12 00:59:18 +00:00
coldfire	Greyscale library: Changed the internal data format once more (separated pixel values and phases), allowing for further optimisation of drawing, scrolling etc. * Optimised grey phase blitting in the core reduces CPU load on all architectures, most significantly on coldfire. Previous version was too slow to keep up at 45MHz, leading to unwanted graininess (update frequency was halved). Also fixed screendump on 2bpp targets with vertical pixel packing.	2008-01-09 23:48:26 +00:00
sh	Another small optimisation for greyscale blitting on SH1 (making better use of page mode by reordering accesses).	2008-01-11 01:32:19 +00:00