📄 fatgetpartlongname.lst
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141 =2 struct sDPTStr //简化的分区表
142 =2 {
143 =2 BYTE FATType;
144 =2 DWORD LBABegin;
145 =2 DWORD CntSec;
146 =2 };
147 =2
148 =2 struct FAT32FSInfoStr //FAT32扩展信息结构
149 =2 {
150 =2 DWORD LeadSig;
151 =2 BYTE Reserved1[480];
152 =2 DWORD StrucSig;
153 =2 DWORD FreeCount;
154 =2 DWORD NxtFree;
155 =2 BYTE Reserved2[12];
156 =2 DWORD TrailSig;
157 =2 };
158 =2
159 =2 struct FATSDirStr //FAT目录结构 短文件名
160 =2 {
161 =2 CHAR Name[11];
162 =2 BYTE Attr;
163 =2 BYTE NTRes;
164 =2 BYTE CrtTimeTenth;
165 =2 WORD CrtTime;
166 =2 WORD CrtDate;
167 =2 WORD LstAccDate;
168 =2 WORD FstClusHI;
169 =2 WORD WrtTime;
170 =2 WORD WrtDate;
171 =2 WORD FstClusLO;
172 =2 DWORD FileSize;
173 =2 };
174 =2
175 =2 struct FATLDirStr //FAT目录结构 长文件名
176 =2 {
177 =2 BYTE Ord;
178 =2 BYTE Name1[10];
179 =2 BYTE Attr;
180 =2 BYTE Type;
181 =2 BYTE Chksum;
182 =2 BYTE Name2[12];
183 =2 WORD FstClusLO;
184 =2 BYTE Name3[4];
185 =2 };
186 =2
C51 COMPILER V6.23a FATGETPARTLONGNAME 12/24/2004 00:11:41 PAGE 10
187 =2 struct FATStr //FAT参数表
188 =2 {
189 =2 // BYTE ClusSecCnt; //当前簇扇区计数
190 =2 DWORD CurrentDirectory; //当前目录入口（簇号）
191 =2 BYTE SecPerClus; //每簇扇区数 1 2 4 8 16 32 64 128
192 =2 DWORD RootClus; //根目录开始的簇
193 =2 BYTE RootSectors; //根目录占用的扇区数
194 =2 DWORD ClusSec; //簇开始的扇区
195 =2 DWORD FATSz; //FAT表大小（扇区）
196 =2 DWORD FATSec; //FAT表开始扇区
197 =2 DWORD FSISec; //FSI所在扇区
198 =2 DWORD FSIFreeCount; //空闲簇数
199 =2 DWORD FSINxtFree; //空闲簇搜索指针
200 =2 };
201 =2
202 =2 struct FCBStr
203 =2 {
204 =2 CHAR FileName[12]; //文件名
205 =2 DWORD Size; //文件大小
206 =2 DWORD FirstCluster; //第一个簇
207 =2 DWORD LastCluster; //最近一次读到的簇号
208 =2 DWORD ClusSecCnt; //当前簇扇区计数
209 =2 DWORD ByteCnt; //当前字节计数
210 =2 };
211 =2
212 =2 struct FATTableStr
213 =2 {
214 =2 DWORD Sector;
215 =2 union FATUin
216 =2 {
217 =2 DWORD F32[128];
218 =2 WORD F16[256];
219 =2 BYTE F12[512];
220 =2 }FAT;
221 =2 };
222 =2
223 =2 struct FATClusterStr
224 =2 {
225 =2 BYTE SecOffset; //扇区偏移量
226 =2 DWORD Sector; //扇区号
227 =2 DWORD Cluster; //簇号
228 =2 };
229 =2
230 =2 #ifndef _LIBRARY_DEFINE
=2 xdata BYTE DiskBuffer[512];
=2
=2 xdata struct StorageMediaStr StorageMedia;
=2 xdata struct sDPTStr sDPT[FAT_MAX_PARTITIONS];
=2 xdata struct FATStr FAT;
=2 xdata struct FCBStr FCB[FAT_MAX_FCB];
=2 xdata CHAR LongFileName[256];
=2 xdata struct FATTableStr FATTable;
=2 xdata struct DPTStr *DPT; //分区表结构指针
=2 xdata struct BootSecStr *BOOTSEC; //引导扇区结构指针
=2 xdata struct FAT32FSInfoStr *FSI; //FAT32扩展信息
=2 xdata struct FATSDirStr *sDIR; //FAT目录结构指针
=2 xdata struct FATLDirStr *lDIR; //FAT目录结构指针
=2 #endif
245 =2 #endif
246 =2
247 =2 extern xdata BYTE DiskBuffer[512];
248 =2
C51 COMPILER V6.23a FATGETPARTLONGNAME 12/24/2004 00:11:41 PAGE 11
249 =2 extern xdata struct StorageMediaStr StorageMedia;
250 =2 extern xdata struct sDPTStr sDPT[FAT_MAX_PARTITIONS];
251 =2 extern xdata struct FATStr FAT;
252 =2 extern xdata struct FCBStr FCB[FAT_MAX_FCB];
253 =2 extern xdata CHAR LongFileName[256];
254 =2 extern xdata struct FATTableStr FATTable;
255 =2 extern xdata struct DPTStr *DPT; //分区表结构指针
256 =2 extern xdata struct BootSecStr *BOOTSEC; //引导扇区结构指针
257 =2 extern xdata struct FAT32FSInfoStr *FSI; //FAT32扩展信息
258 =2 extern xdata struct FATSDirStr *sDIR; //FAT目录结构指针
259 =2 extern xdata struct FATLDirStr *lDIR; //FAT目录结构指针
260 =2
261 =2 extern void FATInit(void);
262 =2 extern BYTE FATSelectMedia(BYTE Media);
263 =2 extern BYTE FATFindPartitions(void);
264 =2 extern BYTE FATMountPartition(void);
265 =2 extern BYTE FATMountVolumeID(BYTE Partition);
266 =2 extern void FATGetPartLongName(struct FATLDirStr *ldp,CHAR *name);
267 =2 extern DWORD FATDiskSize(void);
268 =2 extern DWORD FATDiskFreeSize(void);
269 =2 extern BYTE FATFindDIREntry(CHAR *DirName);
270 =2 extern BYTE FAT32FindDIREntry(CHAR *DirName);
271 =2 extern BYTE FAT16FindDIREntry(CHAR *DirName);
272 =2 void FATReadCluster(struct FATClusterStr *Cluster,BYTE *Buffer);
273 =2 extern BYTE FATChangeDirectory(CHAR *DirName);
274 =2 extern BYTE FATListDirectory(void);
275 =2 extern BYTE FAT32ListDirectory(void);
276 =2 extern BYTE FAT16ListDirectory(void);
277 =2 extern void FATNextCluster(DWORD *CurrentCluster);
278 =2 extern BYTE FATGetDirName(WORD SecNum);
279 =2 extern BYTE FATOpenFile(CHAR *filename);
280 =2 extern void FATCloseFile(BYTE fp);
281 =2 extern WORD FATReadFile(BYTE fp);
282 =2
11 =1
3 #endif
4
5 void FATGetPartLongName(struct FATLDirStr *ldp,CHAR *name);
6
7 void FATGetPartLongName(struct FATLDirStr *ldp,CHAR *name)
8 {
9 1 register BYTE i,j;
10 1
11 1 j=0;
12 1 for(i=0;i<10;i++)
13 1 name[j++]=ldp->Name1[i];
14 1 for(i=0;i<12;i++)
15 1 name[j++]=ldp->Name2[i];
16 1 for(i=0;i<4;i++)
17 1 name[j++]=ldp->Name3[i];
18 1 Uni2GB(name,26);
19 1 name[26]=0;
20 1 }
C51 COMPILER V6.23a FATGETPARTLONGNAME 12/24/2004 00:11:41 PAGE 12
ASSEMBLY LISTING OF GENERATED OBJECT CODE
; FUNCTION _FATGetPartLongName (BEGIN)
; SOURCE LINE # 7
0000 900000 R MOV DPTR,#ldp
0003 EB MOV A,R3
0004 F0 MOVX @DPTR,A
0005 A3 INC DPTR
0006 EA MOV A,R2
0007 F0 MOVX @DPTR,A
0008 A3 INC DPTR
0009 E9 MOV A,R1
000A F0 MOVX @DPTR,A
; SOURCE LINE # 8
; SOURCE LINE # 11
;---- Variable 'j' assigned to Register 'R7' ----
000B E4 CLR A
000C FF MOV R7,A
; SOURCE LINE # 12
;---- Variable 'i' assigned to Register 'R6' ----
000D FE MOV R6,A
000E ?C0001:
; SOURCE LINE # 13
000E 900000 R MOV DPTR,#ldp
0011 E0 MOVX A,@DPTR
0012 FB MOV R3,A
0013 A3 INC DPTR
0014 E0 MOVX A,@DPTR
0015 FA MOV R2,A
0016 A3 INC DPTR
0017 E0 MOVX A,@DPTR
0018 2401 ADD A,#01H
001A F9 MOV R1,A
001B E4 CLR A
001C 3A ADDC A,R2
001D FA MOV R2,A
001E EE MOV A,R6
001F 7C00 MOV R4,#00H
0021 29 ADD A,R1
0022 F9 MOV R1,A
0023 EC MOV A,R4
0024 3A ADDC A,R2
0025 FA MOV R2,A
0026 120000 E LCALL ?C?CLDPTR
0029 FD MOV R5,A
002A 900000 R MOV DPTR,#name
002D E0 MOVX A,@DPTR
002E FB MOV R3,A
002F A3 INC DPTR
0030 E0 MOVX A,@DPTR
0031 FA MOV R2,A
0032 A3 INC DPTR
0033 E0 MOVX A,@DPTR
0034 F9 MOV R1,A
0035 AC07 MOV R4,AR7
0037 0F INC R7
0038 8C82 MOV DPL,R4
003A 758300 MOV DPH,#00H
003D ED MOV A,R5
003E 120000 E LCALL ?C?CSTOPTR
0041 0E INC R6
C51 COMPILER V6.23a FATGETPARTLONGNAME 12/24/2004 00:11:41 PAGE 13
0042 EE MOV A,R6
0043 B40AC8 CJNE A,#0AH,?C0001
0046 ?C0002:
; SOURCE LINE # 14
0046 E4 CLR A
0047 FE MOV R6,A
0048 ?C0004:
; SOURCE LINE # 15
0048 900000 R MOV DPTR,#ldp
004B E0 MOVX A,@DPTR
004C FB MOV R3,A
004D A3 INC DPTR
004E E0 MOVX A,@DPTR
004F FA MOV R2,A
0050 A3 INC DPTR
0051 E0 MOVX A,@DPTR
0052 240E ADD A,#0EH
0054 F9 MOV R1,A
0055 E4 CLR A
0056 3A ADDC A,R2
0057 FA MOV R2,A
0058 EE MOV A,R6
0059 7C00 MOV R4,#00H
005B 29 ADD A,R1
005C F9 MOV R1,A
005D EC MOV A,R4
005E 3A ADDC A,R2
005F FA MOV R2,A
0060 120000 E LCALL ?C?CLDPTR
0063 FD MOV R5,A
0064 900000 R MOV DPTR,#name
0067 E0 MOVX A,@DPTR
0068 FB MOV R3,A
0069 A3 INC DPTR
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