From 3c9c3fffc7d94f7e67b67a477437c012ba6c7787 Mon Sep 17 00:00:00 2001
From: Bertrand Augereau
Date: Fri, 7 Dec 2007 00:01:12 +0000
Subject: NDS: A few cycles saved in the inner loop of the CPU scaler

svn-id: r29742
---
 backends/platform/ds/arm9/source/blitters_arm.s | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'backends/platform/ds/arm9')

diff --git a/backends/platform/ds/arm9/source/blitters_arm.s b/backends/platform/ds/arm9/source/blitters_arm.s
index 12dd2c2b0f..b1a0e73f92 100644
--- a/backends/platform/ds/arm9/source/blitters_arm.s
+++ b/backends/platform/ds/arm9/source/blitters_arm.s
@@ -261,7 +261,7 @@ Rescale_320x256xPAL8_To_256x256x1555:
 	@ r3 = srcStride
 	STMFD	r13!,{r4-r5,r8-r11,r14}
 	MOV	r8,    #0x0000001F
-	ORR	r8, r8,#0x00007C00
+	ORR	r8, r8,#0x0000FC00
 	ORR	r8, r8,#0x03E00000	@ r8 = mask
 	LDR	r9, [r13,#7*4]		@ r9 = palette
 
@@ -273,6 +273,7 @@ palLoop:
 	SUBS	r14,r14,#1
 	ORR	r10,r10,r10,LSL #16
 	AND	r10,r10,r8		@ r10 = separated palette entry
+	ORR	r10,r10,#0x00008000
 	STR	r10,[r5], #4
 	BGT	palLoop
 
@@ -312,10 +313,10 @@ xLoop4:
 	ORR	r11,r11,r11,LSR #16	@ r11= dst2
 	ORR	r12,r12,r12,LSR #16	@ r12= dst3
 
-	ORR	r9, r9, #0x8000
-	ORR	r10,r10,#0x8000
-	ORR	r11,r11,#0x8000
-	ORR	r12,r12,#0x8000
+	@ORR	r9, r9, #0x8000
+	@ORR	r10,r10,#0x8000
+	@ORR	r11,r11,#0x8000
+	@ORR	r12,r12,#0x8000
 
 	STRH	r9, [r0],#2
 	STRH	r10,[r0],#2
-- 
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