main.ls1

《Proteus在MCS-51&ARM7系统中的应用百例》逆向之 Chapter 4 《Proteus在MCS-51&ARM7系统中的应用百例》MCS-51例子的C语言版本。

A51 MACRO ASSEMBLER  MAIN                                                                 05/18/2007 11:45:16 PAGE     1


MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN main.OBJ
ASSEMBLER INVOKED BY: D:\Program Files\Keil 8.08\C51\BIN\A51.EXE main.src PR(.\main.ls1) EP DEBUG

LOC  OBJ            LINE     SOURCE

                       1     ; .\main.SRC generated from: main.c
                       2     ; COMPILER INVOKED BY:
                       3     ;        D:\Program Files\Keil 8.08\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND SRC(.\
                             main.SRC)
                       4     
                       5     $nomod51 
                       6     
                       7     NAME    MAIN
                       8     
  0080                 9     P0      DATA    080H
  0090                10     P1      DATA    090H
  00A0                11     P2      DATA    0A0H
  00B0                12     P3      DATA    0B0H
  00B4                13     T0      BIT     0B0H.4
  00D6                14     AC      BIT     0D0H.6
  00B5                15     T1      BIT     0B0H.5
  00AF                16     EA      BIT     0A8H.7
  00A8                17     IE      DATA    0A8H
  00B7                18     RD      BIT     0B0H.7
  00AC                19     ES      BIT     0A8H.4
  00B8                20     IP      DATA    0B8H
  0098                21     RI      BIT     098H.0
  00B2                22     INT0    BIT     0B0H.2
  00D7                23     CY      BIT     0D0H.7
  0099                24     TI      BIT     098H.1
  00B3                25     INT1    BIT     0B0H.3
  00BC                26     PS      BIT     0B8H.4
  0081                27     SP      DATA    081H
  00D2                28     OV      BIT     0D0H.2
  00B6                29     WR      BIT     0B0H.6
  0099                30     SBUF    DATA    099H
  0087                31     PCON    DATA    087H
  0098                32     SCON    DATA    098H
  0089                33     TMOD    DATA    089H
  0088                34     TCON    DATA    088H
  0089                35     IE0     BIT     088H.1
  008B                36     IE1     BIT     088H.3
  00F0                37     B       DATA    0F0H
  00E0                38     ACC     DATA    0E0H
  00A9                39     ET0     BIT     0A8H.1
  00AB                40     ET1     BIT     0A8H.3
  008D                41     TF0     BIT     088H.5
  008F                42     TF1     BIT     088H.7
  009A                43     RB8     BIT     098H.2
  008C                44     TH0     DATA    08CH
  00A8                45     EX0     BIT     0A8H.0
  0088                46     IT0     BIT     088H.0
  008D                47     TH1     DATA    08DH
  009B                48     TB8     BIT     098H.3
  00AA                49     EX1     BIT     0A8H.2
  008A                50     IT1     BIT     088H.2
  00D0                51     P       BIT     0D0H.0
  009F                52     SM0     BIT     098H.7
  008A                53     TL0     DATA    08AH
  009E                54     SM1     BIT     098H.6
  008B                55     TL1     DATA    08BH
  009D                56     SM2     BIT     098H.5
  00B9                57     PT0     BIT     0B8H.1
A51 MACRO ASSEMBLER  MAIN                                                                 05/18/2007 11:45:16 PAGE     2

  00BB                58     PT1     BIT     0B8H.3
  00D3                59     RS0     BIT     0D0H.3
  008C                60     TR0     BIT     088H.4
  00D4                61     RS1     BIT     0D0H.4
  008E                62     TR1     BIT     088H.6
  00B8                63     PX0     BIT     0B8H.0
  00BA                64     PX1     BIT     0B8H.2
  0083                65     DPH     DATA    083H
  0082                66     DPL     DATA    082H
  009C                67     REN     BIT     098H.4
  00B0                68     RXD     BIT     0B0H.0
  00B1                69     TXD     BIT     0B0H.1
  00D5                70     F0      BIT     0D0H.5
  00D0                71     PSW     DATA    0D0H
                      72     ?PR?main?MAIN        SEGMENT CODE 
                      73     ?PR?delay?MAIN       SEGMENT CODE 
                      74     ?DT?delay?MAIN       SEGMENT DATA OVERLAYABLE 
                      75             EXTRN   CODE (?C_STARTUP)
                      76             PUBLIC  delay
                      77             PUBLIC  main
                      78     
----                  79             RSEG  ?DT?delay?MAIN
0000                  80     ?delay?BYTE:
0001                  81             ORG  1
0001                  82               k?140:   DS   1
0000                  83             ORG  0
0000                  84               j?141:   DS   1
                      85     ; #include <reg51.h>
                      86     ; #include <intrins.h>
                      87     ; 
                      88     ; typedef unsigned char BYTE;
                      89     ; 
                      90     ; void delay();
                      91     ; 
                      92     ; main()
                      93     
----                  94             RSEG  ?PR?main?MAIN
0000                  95     main:
                      96             USING   0
                      97                             ; SOURCE LINE # 8
                      98     ; {
                      99                             ; SOURCE LINE # 9
0000                 100     ?C0001:
                     101     ;       
                     102     ;       while(1)
                     103                             ; SOURCE LINE # 11
                     104     ;       {
                     105                             ; SOURCE LINE # 12
                     106     ;               ACC=0xFE;
                     107                             ; SOURCE LINE # 13
0000 74FE            108             MOV     A,#0FEH
                     109     ; 
                     110     ;               CY=1;
                     111                             ; SOURCE LINE # 15
0002 D2D7            112             SETB    CY
0004                 113     ?C0005:
                     114     ;                
                     115     ;               do
                     116     ;               {
                     117                             ; SOURCE LINE # 18
                     118     ;                       P1=ACC;
                     119                             ; SOURCE LINE # 19
0004 F590            120             MOV     P1,A
                     121     ;                       delay();
                     122                             ; SOURCE LINE # 20
0006 120000   F      123             LCALL   delay
A51 MACRO ASSEMBLER  MAIN                                                                 05/18/2007 11:45:16 PAGE     3

                     124     ;                       
                     125     ;                       #pragma asm
                     126     ;                               RLC     A       
0009 33              127               RLC   A       
                     128     ;                       #pragma endasm
                     129     ;                       
                     130     ;               }while(CY);     
                     131                             ; SOURCE LINE # 26
000A 20D7F7          132             JB      CY,?C0005
                     133     ;               ACC=0x7F;
                     134                             ; SOURCE LINE # 27
000D 747F            135             MOV     A,#07FH
                     136     ;               CY=1;
                     137                             ; SOURCE LINE # 28
000F D2D7            138             SETB    CY
0011                 139     ?C0008:
                     140     ; 
                     141     ;               
                     142     ;               do
                     143     ;               {
                     144                             ; SOURCE LINE # 32
                     145     ;                       P1=ACC;
                     146                             ; SOURCE LINE # 33
0011 F590            147             MOV     P1,A
                     148     ;                       delay();