freemyipod r767 - Code Review

Repository:	freemyipod
Revision:	< r766‎ \| r767 \| r768 >
Date:	22:37, 25 August 2011
Author:	theseven
Status:	new
Tags:
Comment:	emCORE: Fix iPod Nano 4G LCD colors
Modified paths:	/emcore/trunk/target/ipodnano4g/lcd.c (modified) (history)

Diff [purge]

Index: emcore/trunk/target/ipodnano4g/lcd.c
—	—	@@ -251,18 +251,19 @@
252	252	__asm__ volatile(" qadd8 r0, r0, r1 \n"); // 1 cycle, r0 latency 2
253	253	// bubble (due to r0 latency)
254	254	__asm__ volatile(" sadd8 r0, r0, r4 \n"); // 1 cycle
255		~~- __asm__ volatile(" str r0, [r9] \n"); // 1 cycle, 1 mem, r9 early~~
256	255	__asm__ volatile(" bic r2, r0, r6 \n"); // 1 cycle
257	256	__asm__ volatile(" and r1, r6, r0,lsr#6 \n"); // 1 cycle, r0 early
258	257	__asm__ volatile(" orr r2, r2, r1 \n"); // 1 cycle
259	258	__asm__ volatile(" mov r1, r5 \n"); // 1 cycle
260	259	__asm__ volatile(" shsub8 r5, r0, r2 \n"); // 1 cycle
	260	+ __asm__ volatile(" rev r0, r0 \n"); // 1 cycle, r1 early
261	261	__asm__ volatile(" shadd8 r1, r1, r5 \n"); // 1 cycle
	262	+ __asm__ volatile(" mov r0, r0, lsr#8 \n"); // 1 cycle, r1 early
	263	+ __asm__ volatile(" str r0, [r9] \n"); // 1 cycle, 1 mem, r9 early
262	264	__asm__ volatile(" str r1, [r7], #4 \n"); // 1 cycle, 1 mem, r7 early
263	265	__asm__ volatile(" nop \n"); // 2 cycles
264	266	__asm__ volatile(" nop \n"); // 2 cycles
265	267	__asm__ volatile(" nop \n"); // 2 cycles
266		~~- __asm__ volatile(" nop \n"); // 2 cycles~~
267	268	__asm__ volatile(" bne displaylcd_dither_x \n");
268	269	__asm__ volatile(" add r3, r3, r11 \n");
269	270	__asm__ volatile(" subs r12, r12, #1 \n");