gui_calccolordist.txt

STM32F103ZET6+UCOSII+UCGUI源码

; generated by ARM C/C++ Compiler with , RVCT4.0 [Build 524] for uVision
; commandline ArmCC [--split_sections --debug -c --asm --interleave -o.\Obj\gui_calccolordist.o --depend=.\Obj\gui_calccolordist.d --device=DARMSTM --apcs=interwork -O3 -I..\..\include -I..\..\..\FWLib\library\inc -I..\..\..\USBLib\library\inc -I..\..\Config -I..\..\GUI\Core -I..\..\GUI\Font -I..\..\GUI\ConvertColor -I..\..\GUI\AntiAlias -I..\..\GUI\ConvertMono -I..\..\GUI\JPEG -I..\..\GUI\MemDev -I..\..\GUI\MultiLayer -I..\..\GUI\Widget -I..\..\GUI\WM -IC:\Keil\ARM\INC\ST\STM32F10x ..\..\GUI\Core\GUI_CalcColorDist.c]
                          THUMB

                          AREA ||i.GUI_CalcColorDist||, CODE, READONLY, ALIGN=1

                  GUI_CalcColorDist PROC
;;;62     */
;;;63     U32 GUI_CalcColorDist (LCD_COLOR PalColor, LCD_COLOR  Color) {
000000  b510              PUSH     {r4,lr}
;;;64     /* This routine does not use abs() because we are optimizing for speed ! */
;;;65       I16 Dist;
;;;66       U32 Sum;
;;;67       Dist  = (PalColor&0xff) - (Color&0xff);
000002  b2c2              UXTB     r2,r0
000004  b2cb              UXTB     r3,r1
000006  1ad2              SUBS     r2,r2,r3
;;;68       if (Dist < 0)
000008  d501              BPL      |L1.14|
;;;69     	  Dist = -Dist;
00000a  4252              RSBS     r2,r2,#0
00000c  b212              SXTH     r2,r2
                  |L1.14|
;;;70       Sum = SQUARE(Dist);
00000e  b293              UXTH     r3,r2
000010  435b              MULS     r3,r3,r3
;;;71       Dist  = ((PalColor>>8)&0xff) -  ((Color>>8)&0xff);
000012  f3c02207          UBFX     r2,r0,#8,#8
000016  f3c12407          UBFX     r4,r1,#8,#8
00001a  1b12              SUBS     r2,r2,r4
;;;72       if (Dist < 0)
00001c  d501              BPL      |L1.34|
;;;73     	  Dist = -Dist;
00001e  4252              RSBS     r2,r2,#0
000020  b212              SXTH     r2,r2
                  |L1.34|
;;;74       Sum += SQUARE(Dist);
;;;75       Dist  = (PalColor>>16) - (Color>>16);
000022  0c00              LSRS     r0,r0,#16
000024  b292              UXTH     r2,r2                 ;74
000026  eba04011          SUB      r0,r0,r1,LSR #16
00002a  fb023202          MLA      r2,r2,r2,r3           ;74
00002e  b200              SXTH     r0,r0
;;;76       if (Dist < 0)
000030  2800              CMP      r0,#0
000032  da01              BGE      |L1.56|
;;;77     	  Dist = -Dist;
000034  4240              RSBS     r0,r0,#0
000036  b200              SXTH     r0,r0
                  |L1.56|
;;;78       return Sum + SQUARE(Dist);
000038  b280              UXTH     r0,r0
00003a  fb002000          MLA      r0,r0,r0,r2
;;;79     }
00003e  bd10              POP      {r4,pc}
;;;80     
                          ENDP