C51 COMPILER V8.18   LR3CD                                                                 04/29/2011 20:19:52 PAGE 1   


C51 COMPILER V8.18, COMPILATION OF MODULE LR3CD
OBJECT MODULE PLACED IN lr3cd.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lr3cd.c BROWSE DEBUG OBJECTEXTEND CODE

line level    source

   1          #include <reg51.h>
   2          unsigned int a,s;
   3          char i;
   4          main()             //B=S/A
   5          {
   6   1              s=P1<<8;
   7   1              a=P2<<8;
   8   1              for (i=0;i<8;i+=1)
   9   1              {
  10   2               s=((s-(a>>1))>=0)? (s<<1)-a+1: s<<1;
  11   2              }
  12   1              P3=s>>8;
  13   1      }
*** WARNING C290 IN LINE 13 OF LR3CD.C: missing return value
C51 COMPILER V8.18   LR3CD                                                                 04/29/2011 20:19:52 PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION main (BEGIN)
                                           ; SOURCE LINE # 4
                                           ; SOURCE LINE # 5
                                           ; SOURCE LINE # 6
0000 AF90              MOV     R7,P1
0002 EF                MOV     A,R7
0003 750000      R     MOV     s+01H,#00H
0006 F500        R     MOV     s,A
                                           ; SOURCE LINE # 7
0008 AFA0              MOV     R7,P2
000A EF                MOV     A,R7
000B 750000      R     MOV     a+01H,#00H
000E F500        R     MOV     a,A
                                           ; SOURCE LINE # 8
0010 E4                CLR     A
0011 F500        R     MOV     i,A
0013         ?C0001:
                                           ; SOURCE LINE # 9
                                           ; SOURCE LINE # 10
0013 E500        R     MOV     A,a
0015 C3                CLR     C
0016 13                RRC     A
0017 FE                MOV     R6,A
0018 E500        R     MOV     A,a+01H
001A 13                RRC     A
001B FF                MOV     R7,A
001C C3                CLR     C
001D E500        R     MOV     A,s+01H
001F 9F                SUBB    A,R7
0020 E500        R     MOV     A,s
0022 9E                SUBB    A,R6
0023 C3                CLR     C
0024 9400              SUBB    A,#00H
0026 E500        R     MOV     A,s+01H
0028 4018              JC      ?C0004
002A 25E0              ADD     A,ACC
002C FF                MOV     R7,A
002D E500        R     MOV     A,s
002F 33                RLC     A
0030 FE                MOV     R6,A
0031 C3                CLR     C
0032 EF                MOV     A,R7
0033 9500        R     SUBB    A,a+01H
0035 FF                MOV     R7,A
0036 EE                MOV     A,R6
0037 9500        R     SUBB    A,a
0039 CF                XCH     A,R7
003A 2401              ADD     A,#01H
003C CF                XCH     A,R7
003D 3400              ADDC    A,#00H
003F FE                MOV     R6,A
0040 8007              SJMP    ?C0005
0042         ?C0004:
0042 25E0              ADD     A,ACC
0044 FF                MOV     R7,A
0045 E500        R     MOV     A,s
0047 33                RLC     A
0048 FE                MOV     R6,A
0049         ?C0005:
C51 COMPILER V8.18   LR3CD                                                                 04/29/2011 20:19:52 PAGE 3   

0049 8E00        R     MOV     s,R6
004B 8F00        R     MOV     s+01H,R7
                                           ; SOURCE LINE # 11
004D 0500        R     INC     i
004F E500        R     MOV     A,i
0051 B408BF            CJNE    A,#08H,?C0001
0054         ?C0002:
                                           ; SOURCE LINE # 12
0054 E500        R     MOV     A,s
0056 F5B0              MOV     P3,A
                                           ; SOURCE LINE # 13
0058 22                RET     
             ; FUNCTION main (END)



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     89    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)