ARM COMPILER V2.00f,  main                                                                 21/02/05  10:00:39  PAGE 1   


ARM COMPILER V2.00f, COMPILATION OF MODULE main
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\ARM\BIN\CA.exe main.c THUMB OPTIMIZE(7,SPEED) BROWSE DEBUG TABS(4) 

stmt  level    source

    1          /************************************************************/
    2          /* PROJECT NAME: Thumb                                      */
    3          /* Project:      LPC2100 Training course                    */
    4          /* Engineer:     T Martin     tmartin@hitex.co.uk           */
    5          /* Filename:     main.c                                     */
    6          /* Language:     C                                          */
    7          /* Compiler:     Keil ARM   V2.00b                          */
    8          /* Assembler:                                               */
    9          /*                                                          */
   10          /************************************************************/
   11          /* COPYRIGHT: Hitex UK Ltd      2004                        */
   12          /* LICENSE:   THIS VERSION CREATED FOR FREE DISTRIBUTION    */
   13          /************************************************************/
   14          /* Function:                                                */
   15          /*                                                          */
   16          /* Example Thumb program for LPC2100                        */
   17          /*                                                          */
   18          /* Demonstrates APCS and ARM - Thumb interworking           */
   19          /*                                                          */  
   20          /* Oscillator frequency 12.000 Mhz                          */
   21          /* Target board Keil MCB2100                                */
   22          /************************************************************/
   23          
   24          #include <LPC21xx.H> 
   25          
   26          void thumb_function(void);      //External prototype for thumb function
   27          
   28          int main(void)   __arm
   29          {
   30   1      IODIR1 = 0x00FF0000;
   31   1      
   32   1      
   33   1      while(1)
   34   1      {
   35   2      IOCLR1 = 0x00FF0000;
   36   2      thumb_function();                       //Call Thumb function
   37   2      }
   38   1      }
   39          
   40          
   41          
   42          void thumb_function(void) __thumb
   43          {
   44   1      unsigned int i,delay;
   45   1      
   46   1      for (i = 0x00001000;i < 0x01000000 ;i = i<<1)     //LED flasher 
   47   1      {
   48   2      
   49   2      for (delay = 0;delay<0x010000;delay++)       //simple delay loop
   50   2      {
   51   3      ;
   52   3      }
   53   2      IOSET1 = i;                                     //Set the next led
   54   2      }
   55   1      }
   56          
   57          
   58          
   59          
ARM COMPILER V2.00f,  main                                                                 21/02/05  10:00:39  PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE



*** EXTERNALS:
 EXTERN NUMBER (__startup)



*** PUBLICS:
 PUBLIC         thumb_function?T
 PUBLIC         thumb_function?A
 PUBLIC         main



*** CODE SEGMENT '?PR?main?main':
   28: int main(void)   __arm
 00000000  E92D4000  STMDB       R13!,{LR}
   30: IODIR1 = 0x00FF0000;
 00000004  E3A018FF  MOV         R1,#0xFF0000
 00000008  E5100000  LDR         R0,=0xE0028018
 0000000C  E5801000  STR         R1,[R0,#0x0]
   33: while(1)
 00000010          L_3:
   35: IOCLR1 = 0x00FF0000;
 00000010  E3A018FF  MOV         R1,#0xFF0000
 00000014  E5100000  LDR         R0,=0xE002801C
 00000018  E5801000  STR         R1,[R0,#0x0]
   36: thumb_function();                       //Call Thumb function
 0000001C  EBFFFFF7  BL          thumb_function?A  ; Targ=0x0
   37: }
 00000020  EAFFFFFA  B           L_3  ; Targ=0x10
 00000024  E8BD0008  LDMIA       R13!,{R3}
 00000028  E12FFF13  BX          R3
 0000002C          ENDP ; 'main'


*** CODE SEGMENT '?PR?thumb_function?T?main':
   43: {
 00000000            ; SCOPE-START
   46: for (i = 0x00001000;i < 0x01000000 ;i = i<<1)     //LED flasher 
 00000000  4800      LDR         R0,=0x1000
 00000002  ---- Variable 'i' assigned to Register 'R0' ----
   49: for (delay = 0;delay<0x010000;delay++)       //simple delay loop
 00000002          L_14:
 00000002  2100      MOV         R1,#0x0
 00000004  ---- Variable 'delay' assigned to Register 'R1' ----
   52: }
 00000004          L_10:
 00000004  3101      ADD         R1,#0x1
 00000006  4800      LDR         R2,=0x10000
 00000008  4291      CMP         R1,R2 ; delay
 0000000A  D3FB      BCC         L_10  ; T=0x00000004
   53: IOSET1 = i;                                     //Set the next led
 0000000C  1C02      MOV         R2,R0 ; i
 0000000E  4800      LDR         R1,=0xE0028014
 00000010  600A      STR         R2,[R1,#0x0]
   54: }
 00000012  0040      LSL         R0,R0,#0x1 ; i
 00000014  4800      LDR         R1,=0xFF000000
 00000016  42C8      CMN         R0,R1 ; i
 00000018  D3F3      BCC         L_14  ; T=0x00000002
 0000001A            ; SCOPE-END
   55: }
 0000001A  4770      BX          R14
 0000001C          ENDP ; 'thumb_function?T'



Module Information          Static
----------------------------------
  code size            =    ------
  data size            =    ------
  const size           =    ------
ARM COMPILER V2.00f,  main                                                                 21/02/05  10:00:39  PAGE 3   

End of Module Information.


ARM COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)