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Annotation of hatari/src/st.c, revision 1.1.1.1

1.1       root        1: /*
                      2:   Hatari
                      3: 
                      4:   ST Disc support
                      5: */
                      6: 
                      7: #include "main.h"
                      8: #include "file.h"
                      9: 
                     10: #define SAVE_TO_ST_IMAGES
                     11: 
                     12: /*
                     13:     .ST FILE FORMAT
                     14:   --===============-------------------------------------------------------------
                     15: 
                     16:   The file format of the .ST image files used by PaCifiST is simplicity itself;
                     17:   they are just straight images of the disk in question, with sectors stored in
                     18:   the expected logical order. So, on a sector basis the images run from sector
                     19:   0 (bootsector) to however many sectors are on the disk. On a track basis the
                     20:   layout is the same as for MSA files but obviously the data is raw, no track
                     21:   header or compression or anything like that.
                     22: 
                     23:   TRACK 0, SIDE 0
                     24:   TRACK 0, SIDE 1
                     25:   TRACK 1, SIDE 0
                     26:   TRACK 1, SIDE 1
                     27:   TRACK 2, SIDE 0
                     28:   TRACK 2, SIDE 1
                     29: */
                     30: 
                     31: 
                     32: //-----------------------------------------------------------------------
                     33: /*
                     34:   Load .ST file into memory, return number of bytes loaded
                     35: */
                     36: int ST_ReadDisc(char *pszFileName,unsigned char *pBuffer)
                     37: {
                     38:   void *pSTFile;
                     39:   long ImageSize=0;
                     40: 
                     41:   // Just load directly into buffer, and set ImageSize accordingly(no need to free memory)
                     42:   pSTFile = File_Read(pszFileName,pBuffer,&ImageSize,NULL);
                     43:   if (!pSTFile)
                     44:     ImageSize = 0;
                     45: 
                     46:   return(ImageSize);
                     47: }
                     48: 
                     49: //-----------------------------------------------------------------------
                     50: /*
                     51:   Save .ST file from memory buffer. Returns TRUE is all OK
                     52: */
                     53: BOOL ST_WriteDisc(char *pszFileName,unsigned char *pBuffer,int ImageSize)
                     54: {
                     55: #ifdef SAVE_TO_ST_IMAGES
                     56: 
                     57:   // Just save buffer directly to file
                     58:   return( File_Save(/*hWnd,*/pszFileName,pBuffer,ImageSize,FALSE) );
                     59: 
                     60: #else  //SAVE_TO_ST_IMAGES
                     61: 
                     62:   // Oops, cannot save
                     63:   return(FALSE);
                     64: 
                     65: #endif  //SAVE_TO_ST_IMAGES
                     66: }

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