///////////////////////////////////////////////////////////////////////////////
//                                                                            /
// IAR ANSI C/C++ Compiler V6.30.1.53127/W32 for ARM    08/Mar/2012  18:18:25 /
// Copyright 1999-2011 IAR Systems AB.                                        /
//                                                                            /
//    Cpu mode     =  thumb                                                   /
//    Endian       =  little                                                  /
//    Source file  =  D:\Profiles\b01252\My Documents\Freescale\P0\software\s /
//                    ample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_ /
//                    sc\src\projects\TWRK20D50M_Demo\angle_calculation\sqrt1 /
//                    6.c                                                     /
//    Command line =  "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\src\projects\TWRK20D50M_Demo\angle_calculation\sqrt /
//                    16.c" -D IAR -D TOWER -D TWR_K20D50M -lCN               /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\FLASH_128KB_PFLASH\List\" /
//                     -lB "D:\Profiles\b01252\My                             /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\FLASH_128KB_PFLASH\List\" -o          /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\FLASH_128KB_PFLASH\Obj\"  /
//                    --no_cse --no_unroll --no_inline --no_code_motion       /
//                    --no_tbaa --no_clustering --no_scheduling --debug       /
//                    --endian=little --cpu=Cortex-M4 -e --fpu=None           /
//                    --dlib_config "C:\Program Files\IAR Systems\Embedded    /
//                    Workbench 6.0_5\arm\INC\c\DLib_Config_Normal.h" -I      /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\common\" -I  /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\cpu\" -I     /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\cpu\headers\ /
//                    " -I "D:\Profiles\b01252\My                             /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\drivers\uart\" -I        /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\drivers\mcg\ /
//                    " -I "D:\Profiles\b01252\My                             /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\drivers\wdog\" -I        /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\drivers\rcm\ /
//                    " -I "D:\Profiles\b01252\My                             /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\drivers\lptmr\" -I       /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\platforms\"  /
//                    -I "D:\Profiles\b01252\My Documents\Freescale\P0\softwa /
//                    re\sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50 /
//                    MHz_sc\build\iar\TWRK20D50M_Demo\..\" -I                /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\projects\TWR /
//                    K20D50M_Demo\" -I "D:\Profiles\b01252\My                /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \dma\" -I "D:\Profiles\b01252\My                        /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \adc16\" -I "D:\Profiles\b01252\My                      /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \i2c\" -I "D:\Profiles\b01252\My                        /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \tsi\" -I "D:\Profiles\b01252\My                        /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \adc_test\" -I "D:\Profiles\b01252\My                   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \angle_calculation\" -I "D:\Profiles\b01252\My          /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \buzzer\" -I "D:\Profiles\b01252\My                     /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \fft_test\" -I "D:\Profiles\b01252\My                   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \irda_test\" -I "D:\Profiles\b01252\My                  /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \cmt_test\" -I "D:\Profiles\b01252\My                   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \protocol\" -I "D:\Profiles\b01252\My                   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \task_mgr\" -I "D:\Profiles\b01252\My                   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \TWRK20_specific\" -I "D:\Profiles\b01252\My            /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\projects\TWRK20D50M_Demo /
//                    \rtc\" -I "D:\Profiles\b01252\My                        /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\CMSIS\DSP_Lib\Lib\interm /
//                    ediateFiles\" -I "D:\Profiles\b01252\My                 /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\CMSIS\DSP_Lib\Include\"  /
//                    -I "D:\Profiles\b01252\My Documents\Freescale\P0\softwa /
//                    re\sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50 /
//                    MHz_sc\build\iar\TWRK20D50M_Demo\..\..\..\src\CMSIS\CM4 /
//                    \DeviceSupport\ARM\ARMCM4\" -I "D:\Profiles\b01252\My   /
//                    Documents\Freescale\P0\software\sample code             /
//                    cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\build\ia /
//                    r\TWRK20D50M_Demo\..\..\..\src\CMSIS\CM4\CoreSupport\"  /
//                    -I "D:\Profiles\b01252\My Documents\Freescale\P0\softwa /
//                    re\sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50 /
//                    MHz_sc\build\iar\TWRK20D50M_Demo\..\..\..\src\CMSIS\CM4 /
//                    \CoreSupportLiker Options-Library\" -I                  /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\src\CMSIS\DSP_Li /
//                    b\Lib\intermediateFiles\arm_cortexM4_math.lib\" -I      /
//                    "D:\Profiles\b01252\My Documents\Freescale\P0\software\ /
//                    sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz /
//                    _sc\build\iar\TWRK20D50M_Demo\..\..\..\build\" -Ol      /
//                    --use_c++_inline -I "C:\Program Files\IAR               /
//                    Systems\Embedded Workbench 6.0_5\arm\CMSIS\Include\"    /
//                    -D ARM_MATH_CM4                                         /
//    List file    =  D:\Profiles\b01252\My Documents\Freescale\P0\software\s /
//                    ample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_ /
//                    sc\build\iar\TWRK20D50M_Demo\FLASH_128KB_PFLASH\List\sq /
//                    rt16.s                                                  /
//                                                                            /
//                                                                            /
///////////////////////////////////////////////////////////////////////////////

        NAME sqrt16

        #define SHT_PROGBITS 0x1

        PUBLIC sqrt_16

// D:\Profiles\b01252\My Documents\Freescale\P0\software\sample code cesar\TWR-K20D50M_LABS_AND_CE\kinetis_50MHz_sc\src\projects\TWRK20D50M_Demo\angle_calculation\sqrt16.c
//    1 /**
//    2  * \brief  Calculates the square root of the value
//    3  * \author  Luis Puebla
//    4  * \param   value
//    5  * \return  (unsigend long)square root
//    6  * \todo    
//    7  * \warning
//    8  */   

        SECTION `.text`:CODE:NOROOT(1)
        THUMB
//    9 unsigned int sqrt_16(unsigned int value)
//   10   {
sqrt_16:
        PUSH     {R4}
//   11   unsigned char num_iter=0;
        MOVS     R2,#+0
//   12   unsigned long result = 1000;
        MOV      R1,#+1000
//   13   unsigned long last_result = 1000;
        MOV      R3,#+1000
//   14    do
//   15     {
//   16      last_result = result;
??sqrt_16_0:
        MOVS     R3,R1
//   17      result = (result + value/result)/2;
        UDIV     R4,R0,R1
        ADDS     R1,R4,R1
        LSRS     R1,R1,#+1
//   18     }
//   19    while (num_iter++<7 && last_result!= result);
        MOVS     R4,R2
        ADDS     R2,R4,#+1
        UXTB     R4,R4            ;; ZeroExt  R4,R4,#+24,#+24
        CMP      R4,#+7
        BCS.N    ??sqrt_16_1
        CMP      R3,R1
        BNE.N    ??sqrt_16_0
//   20    return (unsigned int)result;
??sqrt_16_1:
        MOVS     R0,R1
        POP      {R4}
        BX       LR               ;; return
//   21   }

        SECTION `.iar_vfe_header`:DATA:REORDER:NOALLOC:NOROOT(2)
        SECTION_TYPE SHT_PROGBITS, 0
        DATA
        DC32 0

        END
//   22 
//   23 
// 
// 42 bytes in section .text
// 
// 42 bytes of CODE memory
//
//Errors: none
//Warnings: none
