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📄 fat16finddirentry.lst

📁 FAT32文件系统在51单片机上实现
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01CB 30E303            JNB     ACC.3,$ + 6H
01CE 020000      R     LJMP    ?C0021
01D1         ?C0022:
                                           ; SOURCE LINE # 41
01D1 900000      E     MOV     DPTR,#sDIR
01D4 E0                MOVX    A,@DPTR
01D5 FB                MOV     R3,A
01D6 A3                INC     DPTR
01D7 E0                MOVX    A,@DPTR
01D8 FA                MOV     R2,A
01D9 A3                INC     DPTR
01DA E0                MOVX    A,@DPTR
01DB F9                MOV     R1,A
01DC 900000      R     MOV     DPTR,#i
01DF E0                MOVX    A,@DPTR
01E0 75F020            MOV     B,#020H
01E3 A4                MUL     AB
01E4 F582              MOV     DPL,A
01E6 85F083            MOV     DPH,B
01E9 120000      E     LCALL   ?C?CLDOPTR
01EC FF                MOV     R7,A
01ED 64E5              XRL     A,#0E5H
01EF 6073              JZ      ?C0021
01F1 EF                MOV     A,R7
01F2 6070              JZ      ?C0021
01F4         ?C0023:
                                           ; SOURCE LINE # 42
01F4 E4                CLR     A
01F5 900000      R     MOV     DPTR,#j
01F8 F0                MOVX    @DPTR,A
01F9         ?C0025:
                                           ; SOURCE LINE # 43
01F9 900000      R     MOV     DPTR,#i
01FC E0                MOVX    A,@DPTR
01FD 75F020            MOV     B,#020H
0200 A4                MUL     AB
C51 COMPILER V7.50   FAT16FINDDIRENTRY                                                     11/20/2006 15:49:27 PAGE 16  

0201 FF                MOV     R7,A
0202 900000      E     MOV     DPTR,#sDIR
0205 E0                MOVX    A,@DPTR
0206 FB                MOV     R3,A
0207 A3                INC     DPTR
0208 E0                MOVX    A,@DPTR
0209 FA                MOV     R2,A
020A A3                INC     DPTR
020B E0                MOVX    A,@DPTR
020C 2F                ADD     A,R7
020D F9                MOV     R1,A
020E EA                MOV     A,R2
020F 35F0              ADDC    A,B
0211 FA                MOV     R2,A
0212 900000      R     MOV     DPTR,#j
0215 E0                MOVX    A,@DPTR
0216 FF                MOV     R7,A
0217 7C00              MOV     R4,#00H
0219 29                ADD     A,R1
021A F9                MOV     R1,A
021B EC                MOV     A,R4
021C 3A                ADDC    A,R2
021D FA                MOV     R2,A
021E 120000      E     LCALL   ?C?CLDPTR
0221 FE                MOV     R6,A
0222 7400        R     MOV     A,#LOW temp
0224 2F                ADD     A,R7
0225 F582              MOV     DPL,A
0227 E4                CLR     A
0228 3400        R     ADDC    A,#HIGH temp
022A F583              MOV     DPH,A
022C EE                MOV     A,R6
022D F0                MOVX    @DPTR,A
022E 900000      R     MOV     DPTR,#j
0231 E0                MOVX    A,@DPTR
0232 04                INC     A
0233 F0                MOVX    @DPTR,A
0234 E0                MOVX    A,@DPTR
0235 B40BC1            CJNE    A,#0BH,?C0025
0238         ?C0026:
                                           ; SOURCE LINE # 44
0238 900000      R     MOV     DPTR,#j
023B E0                MOVX    A,@DPTR
023C 2400        R     ADD     A,#LOW temp
023E F582              MOV     DPL,A
0240 E4                CLR     A
0241 3400        R     ADDC    A,#HIGH temp
0243 F583              MOV     DPH,A
0245 E4                CLR     A
0246 F0                MOVX    @DPTR,A
                                           ; SOURCE LINE # 45
0247 900000      R     MOV     DPTR,#DirName
024A E0                MOVX    A,@DPTR
024B FB                MOV     R3,A
024C A3                INC     DPTR
024D E0                MOVX    A,@DPTR
024E FA                MOV     R2,A
024F A3                INC     DPTR
0250 E0                MOVX    A,@DPTR
0251 F8                MOV     R0,A
0252 AC02              MOV     R4,AR2
0254 AD03              MOV     R5,AR3
C51 COMPILER V7.50   FAT16FINDDIRENTRY                                                     11/20/2006 15:49:27 PAGE 17  

0256 7B01              MOV     R3,#01H
0258 7A00        R     MOV     R2,#HIGH temp
025A 7900        R     MOV     R1,#LOW temp
025C 120000      E     LCALL   ?C?STRCMP
025F EF                MOV     A,R7
0260 7002              JNZ     ?C0021
0262         ?C0029:
0262 8009              SJMP    ?C0030
                                           ; SOURCE LINE # 46
0264         ?C0021:
0264 900000      R     MOV     DPTR,#i
0267 E0                MOVX    A,@DPTR
0268 04                INC     A
0269 F0                MOVX    @DPTR,A
026A 020000      R     LJMP    ?C0019
                                           ; SOURCE LINE # 47
                                           ; SOURCE LINE # 48
026D         ?C0016:
                                           ; SOURCE LINE # 49
026D         ?C0030:
026D 900000      R     MOV     DPTR,#i
0270 E0                MOVX    A,@DPTR
0271 FF                MOV     R7,A
                                           ; SOURCE LINE # 50
0272         ?C0015:
0272 22                RET     
             ; FUNCTION _FAT16FindDIREntry (END)

C51 COMPILER V7.50   FAT16FINDDIRENTRY                                                     11/20/2006 15:49:27 PAGE 18  

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


FATClusterStr. . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  9
  SecOffset. . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0000H  1
  Sector . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0001H  4
  Cluster. . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0005H  4
DWORD. . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_LONG   -----  4
FATTableStr. . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  516
  Sector . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0000H  4
  FAT. . . . . . . . . . . . . . . . .  MEMBER   -----  UNION    0004H  512
FATLDirStr . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  32
  Ord. . . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0000H  1
  Name1. . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0001H  10
  Attr . . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000BH  1
  Type . . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000CH  1
  Chksum . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000DH  1
  Name2. . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    000EH  12
  FstClusLO. . . . . . . . . . . . . .  MEMBER   -----  U_INT    001AH  2
  Name3. . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    001CH  4
FCBStr . . . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  32
  FileName . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  12
  Size . . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   000CH  4
  FirstCluster . . . . . . . . . . . .  MEMBER   -----  U_LONG   0010H  4
  LastCluster. . . . . . . . . . . . .  MEMBER   -----  U_LONG   0014H  4
  ClusSecCnt . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0018H  4
  ByteCnt. . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   001CH  4
FATUin . . . . . . . . . . . . . . . .  * TAG *  -----  UNION    -----  512
  F32. . . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  512
  F16. . . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  512
  F12. . . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  512
FATUni . . . . . . . . . . . . . . . .  * TAG *  -----  UNION    -----  54
  F32. . . . . . . . . . . . . . . . .  MEMBER   -----  STRUCT   0000H  54
  F16. . . . . . . . . . . . . . . . .  MEMBER   -----  STRUCT   0000H  26
FATSDirStr . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  32
  Name . . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  11
  Attr . . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000BH  1
  NTRes. . . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000CH  1
  CrtTimeTenth . . . . . . . . . . . .  MEMBER   -----  U_CHAR   000DH  1
  CrtTime. . . . . . . . . . . . . . .  MEMBER   -----  U_INT    000EH  2
  CrtDate. . . . . . . . . . . . . . .  MEMBER   -----  U_INT    0010H  2
  LstAccDate . . . . . . . . . . . . .  MEMBER   -----  U_INT    0012H  2
  FstClusHI. . . . . . . . . . . . . .  MEMBER   -----  U_INT    0014H  2
  WrtTime. . . . . . . . . . . . . . .  MEMBER   -----  U_INT    0016H  2
  WrtDate. . . . . . . . . . . . . . .  MEMBER   -----  U_INT    0018H  2
  FstClusLO. . . . . . . . . . . . . .  MEMBER   -----  U_INT    001AH  2
  FileSize . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   001CH  4
size_t . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_INT    -----  2
FATStr . . . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  34
  CurrentDirectory . . . . . . . . . .  MEMBER   -----  U_LONG   0000H  4
  SecPerClus . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0004H  1
  RootClus . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0005H  4
  RootSectors. . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0009H  1
  ClusSec. . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   000AH  4
  FATSz. . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   000EH  4
  FATSec . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0012H  4
  FSISec . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0016H  4
  FSIFreeCount . . . . . . . . . . . .  MEMBER   -----  U_LONG   001AH  4
  FSINxtFree . . . . . . . . . . . . .  MEMBER   -----  U_LONG   001EH  4
sDPTStr. . . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  9
C51 COMPILER V7.50   FAT16FINDDIRENTRY                                                     11/20/2006 15:49:27 PAGE 19  

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


  FATType. . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0000H  1
  LBABegin . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0001H  4
  CntSec . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0005H  4
_FAT16FindDIREntry . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
  DirName. . . . . . . . . . . . . . .  AUTO     XDATA  PTR      0000H  3
  i. . . . . . . . . . . . . . . . . .  AUTO     XDATA  U_CHAR   0003H  1
  j. . . . . . . . . . . . . . . . . .  AUTO     XDATA  U_CHAR   0004H  1
  m. . . . . . . . . . . . . . . . . .  AUTO     XDATA  U_CHAR   0005H  1
  temp . . . . . . . . . . . . . . . .  AUTO     XDATA  ARRAY    0006H  27
  Sector . . . . . . . . . . . . . . .  AUTO     XDATA  U_LONG   0021H  4
  ReadCluster. . . . . . . . . . . . .  AUTO     XDATA  STRUCT   0025H  9
CHAR . . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_CHAR   -----  1
_FATReadCluster. . . . . . . . . . . .  EXTERN   CODE   PROC     -----  -----
DPTStr . . . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  16
  BootFlag . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0000H  1
  CHSBegin . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0001H  3
  TypeCode . . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0004H  1
  CHSEnd . . . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0005H  3
  LBABegin . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0008H  4
  CntSec . . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   000CH  4
FAT32FSInfoStr . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  512
  LeadSig. . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0000H  4
  Reserved1. . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0004H  480
  StrucSig . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   01E4H  4
  FreeCount. . . . . . . . . . . . . .  MEMBER   -----  U_LONG   01E8H  4
  NxtFree. . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   01ECH  4
  Reserved2. . . . . . . . . . . . . .  MEMBER   -----  ARRAY    01F0H  12
  TrailSig . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   01FCH  4
BOOL . . . . . . . . . . . . . . . . .  TYPEDEF  -----  BIT      -----  1
BootSecFAT32Str. . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  54
  BPB_FATSz32. . . . . . . . . . . . .  MEMBER   -----  U_LONG   0000H  4
  BPB_ExtFlags . . . . . . . . . . . .  MEMBER   -----  U_INT    0004H  2
  BPB_FSVer. . . . . . . . . . . . . .  MEMBER   -----  U_INT    0006H  2
  BPB_RootClus . . . . . . . . . . . .  MEMBER   -----  U_LONG   0008H  4
  BPB_FSInfo . . . . . . . . . . . . .  MEMBER   -----  U_INT    000CH  2
  BPB_BkBootSec. . . . . . . . . . . .  MEMBER   -----  U_INT    000EH  2
  BPB_Reserved . . . . . . . . . . . .  MEMBER   -----  ARRAY    0010H  12
  BS_DrvNum. . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   001CH  1
  BS_Reserved1 . . . . . . . . . . . .  MEMBER   -----  U_CHAR   001DH  1
  BS_BootSig . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   001EH  1
  BS_VolID . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   001FH  4
  BS_VolLab. . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0023H  11
  BS_FilSysType. . . . . . . . . . . .  MEMBER   -----  ARRAY    002EH  8
BootSecFAT16Str. . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  26
  BS_DrvNum. . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0000H  1
  BS_Reserved1 . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0001H  1
  BS_BootSig . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0002H  1
  BS_VolID . . . . . . . . . . . . . .  MEMBER   -----  U_LONG   0003H  4
  BS_VolLab. . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0007H  11
  BS_FilSysType. . . . . . . . . . . .  MEMBER   -----  ARRAY    0012H  8
BYTE . . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_CHAR   -----  1
StorageMedia . . . . . . . . . . . . .  EXTERN   XDATA  STRUCT   -----  14
WORD . . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_INT    -----  2
sDIR . . . . . . . . . . . . . . . . .  EXTERN   XDATA  PTR      -----  3
FAT. . . . . . . . . . . . . . . . . .  EXTERN   XDATA  STRUCT   -----  34
DiskBuffer . . . . . . . . . . . . . .  EXTERN   XDATA  ARRAY    -----  512
wchar_t. . . . . . . . . . . . . . . .  TYPEDEF  -----  CHAR     -----  1
C51 COMPILER V7.50   FAT16FINDDIRENTRY                                                     11/20/2006 15:49:27 PAGE 20  

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


BootSecStr . . . . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  90
  BS_jmpBoot . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0000H  3
  BS_OEMName . . . . . . . . . . . . .  MEMBER   -----  ARRAY    0003H  8
  BPB_BytesPerSec. . . . . . . . . . .  MEMBER   -----  U_INT    000BH  2
  BPB_SecPerClus . . . . . . . . . . .  MEMBER   -----  U_CHAR   000DH  1
  BPB_RsvdSecCnt . . . . . . . . . . .  MEMBER   -----  U_INT    000EH  2
  BPB_NumFATs. . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0010H  1
  BPB_RootEntCnt . . . . . . . . . . .  MEMBER   -----  U_INT    0011H  2
  BPB_TotSec16 . . . . . . . . . . . .  MEMBER   -----  U_INT    0013H  2
  BPB_Media. . . . . . . . . . . . . .  MEMBER   -----  U_CHAR   0015H  1
  BPB_FATSz16. . . . . . . . . . . . .  MEMBER   -----  U_INT    0016H  2
  BPB_SecPerTrk. . . . . . . . . . . .  MEMBER   -----  U_INT    0018H  2
  BPB_NumHeads . . . . . . . . . . . .  MEMBER   -----  U_INT    001AH  2
  BPB_HiddSec. . . . . . . . . . . . .  MEMBER   -----  U_LONG   001CH  4
  BPB_TotSec32 . . . . . . . . . . . .  MEMBER   -----  U_LONG   0020H  4
  FAT. . . . . . . . . . . . . . . . .  MEMBER   -----  UNION    0024H  54
StorageMediaStr. . . . . . . . . . . .  * TAG *  -----  STRUCT   -----  14
  BytesPerSec. . . . . . . . . . . . .  MEMBER   -----  U_INT    0000H  2
  TotalSectors . . . . . . . . . . . .  MEMBER   -----  U_LONG   0002H  4
  TotalPartitions. . . . . . . . . . .  MEMBER   -----  U_CHAR   0006H  1
  CurrentPartition . . . . . . . . . .  MEMBER   -----  U_CHAR   0007H  1
  ReadSector . . . . . . . . . . . . .  MEMBER   -----  PTR      0008H  3
  WriteSector. . . . . . . . . . . . .  MEMBER   -----  PTR      000BH  3


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    627    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----      46
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  3 WARNING(S),  0 ERROR(S)

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