8. Function specifications

 Directory operation 

 File system initialization 

 GFS_Init 

1.1

 Load directory information 

 GFS_LoadDir 

1.2

 Set current directory 

 GFS_SetDir 

1.3

 Convert file name to file identifier 

 GFS_NameToId 

1.4

 Convert identifier to file name 

 GFS_IdToName 

1.5

 Get directory information 

 GFS_GetDirInfo 

1.6

 Reset file system 

 GFS_Reset 

1.7

 File operation 

 Open file 

 GFS_Open 

2.1

 Close file 

 GFS_Close 

2.2

 Move access pointer 

 GFS_Seek 

2.3

 Get access pointer 

 GFS_Tell 

2.4

 Check for end of file 

 GFS_IsEof 

2.5

 Convert byte length to sector length 

 GFS_ByteToSct 

2.6

 Get file size 

 GFS_GetFileSize 

2.7

 Get file information 

 GFS_GetFileInfo 

2.8

 Get number of sectors in CD buffer section 

 GFS_GetNumCdbuf 

2.9

 Complete return reading 

 Load all files 

 GFS_Load 

3.1

 Read data  

 GFS_Fread 

3.2

 Read immediately return 

 Start reading data  

 GFS_NwFread 

4.1

 Start prefetching to CD buffer 

 GFS_NwCdRead 

4.2

 Check access completion 

 GFS_NwIsComplete 

4.3

 Cancel access operation 

 GFS_NwStop 

4.4

 Get current access status 

 GFS_NwGetStat 

4.5

 Perform access operation in units of files 

 GFS_NwExecOne 

4.6

 Perform multiple file access operations 

 GFS_NwExecServer 

4.7

 Read parameter setting 

 Set extraction mode (resident / discard) 

 GFS_SetGmode

5.1

 Transfer mode setting (software / DMA etc.) 

GFS_SetTmode

5.2

 Set the amount to read into the CD buffer 

 GFS_SetReadPara 

5.3

 Set transfer amount from CD buffer 

 GFS_SetTransPara 

5.4

 Register transfer function 

 GFS_SetTrFunc 

5.5

 Transfer start in transfer function 

 GFS_StartTrans 

5.6

 Other 

 Move CD pickup 

 GFS_CdMovePickup 

6.1

 Set error handling function 

 GFS_SetErrFunc 

6.2

 Get error status 

 GFS_GetErrStat 

6.3