[Scummvm-cvs-logs] SF.net SVN: scummvm: [29809] scummvm/trunk/backends/platform/ds/arm9/source /blitters_arm.s
Tramboi at users.sourceforge.net
Tramboi at users.sourceforge.net
Mon Dec 10 02:25:19 CET 2007
Revision: 29809
http://scummvm.svn.sourceforge.net/scummvm/?rev=29809&view=rev
Author: Tramboi
Date: 2007-12-09 17:25:18 -0800 (Sun, 09 Dec 2007)
Log Message:
-----------
NDS: Integrated Robin's LDRB * 2 -> LDRH + fixes(endianness & stack space) 14ms -> 13ms
Modified Paths:
--------------
scummvm/trunk/backends/platform/ds/arm9/source/blitters_arm.s
Modified: scummvm/trunk/backends/platform/ds/arm9/source/blitters_arm.s
===================================================================
--- scummvm/trunk/backends/platform/ds/arm9/source/blitters_arm.s 2007-12-09 23:55:57 UTC (rev 29808)
+++ scummvm/trunk/backends/platform/ds/arm9/source/blitters_arm.s 2007-12-10 01:25:18 UTC (rev 29809)
@@ -257,11 +257,11 @@
@ r1 = src
@ r2 = dstStride
@ r3 = srcStride
- STMFD r13!,{r4-r5,r8-r11,r14}
+ STMFD r13!,{r4-r6,r8-r11,r14}
MOV r8, #0x0000001F
ORR r8, r8,#0x0000FC00
ORR r8, r8,#0x03E00000 @ r8 = mask
- LDR r9, [r13,#7*4] @ r9 = palette
+ LDR r9, [r13,#8*4] @ r9 = palette
SUB r13,r13,#256*4 @ r13 = 1K of space on the stack.
MOV r5, r13 @ r5 points to this space
@@ -283,12 +283,13 @@
MOV r4,#32 @ r4 = x
xLoop4:
LDRH r9, [r1],#2
- MOV r10, r9, LSR #8
- AND r9, r9, #0xFF
LDRH r11,[r1],#2
- MOV r12, r11, LSR #8
- AND r11, r11, #0xFF
- LDRB r14,[r1],#1
+ LDRH r6,[r1],#2
+ MOV r10,r9, LSR #8
+ AND r9, r9, #0xFF
+ MOV r12,r11,LSR #8
+ AND r11,r11,#0xFF
+ AND r14,r6,#0xFF
LDR r9, [r13,r9, LSL #2] @ r9 = pal[src0]
LDR r10,[r13,r10,LSL #2] @ r10= pal[src1]
@@ -319,13 +320,13 @@
ORR r11,r12,r11,LSR #16
STMIA r0!,{r9,r11}
- LDRB r9, [r1],#1
LDRH r10,[r1],#2
- MOV r11, r10, LSR #8
- AND r10, r10, #0xFF
LDRH r12,[r1],#2
- MOV r14, r12, LSR #8
- AND r12, r12, #0xFF
+ MOV r9,r6,LSR #8
+ MOV r11,r10,LSR #8
+ AND r10,r10,#0xFF
+ MOV r14,r12,LSR #8
+ AND r12,r12,#0xFF
LDR r9, [r13,r9, LSL #2] @ r9 = pal[src0]
LDR r10,[r13,r10,LSL #2] @ r10= pal[src1]
@@ -366,6 +367,6 @@
ADD r13,r13,#256*4
- LDMFD r13!,{r4-r5,r8-r11,PC}
+ LDMFD r13!,{r4-r6,r8-r11,PC}
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