Diff: D64_decoder.h

Revision:

0:28557a4d2215

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/D64_decoder.h	Mon Aug 22 05:48:51 2011 +0000
@@ -0,0 +1,69 @@
+#ifndef D64_DECODER_INCLUDED
+#define D64_DECODER_INCLUDED      
+
+/* Description of the error-bytes at the end of some .D64 files:
+
+    Code  Error  Type   1541 error description
+    ----  -----  ----   ------------------------------
+     01    00    N/A    No error, sector ok.
+     02    20    Read   Header block not found
+     03    21    Seek   No sync character
+     04    22    Read   Data block not present
+     05    23    Read   Checksum error in data block
+     06    24    Write  Write verify (on format)
+     07    25    Write  Write verify error
+     08    26    Write  Write protect on
+     09    27    Seek   Checksum error in header block
+     0A    28    Write  Write error
+     0B    29    Seek   Disk ID mismatch
+     0F    74    Read   Disk Not Ready (no device 1)
+*/
+
+struct    directory_entry
+{
+    unsigned char    filetype;
+    unsigned char    track_first_block;
+    unsigned char    sector_first_block;
+    unsigned char    filename[16];
+    unsigned char    track_first_block_relfile;
+    unsigned char    sector_first_block_relfile;
+    unsigned char    record_size_relfile;
+    unsigned char    unused_1[4];
+    unsigned char    track_first_block_replacementfile;
+    unsigned char    sector_first_block_replacementfile;
+    unsigned char    blocksize_low_byte;
+    unsigned char    blocksize_high_byte;    
+    unsigned char    unused_2[2];
+};
+
+
+/*routines*/
+/*--------*/
+void Clear_RAM_buffer(void);
+void D64ConvertBlockToTrackSector(unsigned int block, unsigned char *track, unsigned char *sector);
+unsigned int D64ConvertTrackSectorToBlock(unsigned char track, unsigned char sector);
+void D64ReadBAM(void);                                                                    /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+void D64WriteBAM(void);                                                                    /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+unsigned char D64ReadFreeBlocksPerTrack(unsigned char track);                            /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+unsigned char D64WriteFreeBlocksPerTrack(unsigned char track, unsigned char value);        /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+unsigned char D64BAMFlagTest(unsigned char track, unsigned char sector);                /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+void D64BAMFlagModify(unsigned char track, unsigned char sector, unsigned status);
+unsigned char D64SeekFreeBlock(unsigned char *track, unsigned char *sector);            /*this routine only supports 35 track disks, since I lack the knowledge of 40 track size disks*/
+unsigned char D64BlockAllocate(unsigned char track, unsigned char sector);
+unsigned char D64BlockFree(unsigned char track, unsigned char sector);
+void D64BlockWrite(unsigned char track, unsigned char sector);
+void D64BlockWrite_new(unsigned char buffer, unsigned char track, unsigned char sector);
+void D64BlockRead(unsigned char track, unsigned char sector);
+void D64BlockRead_new(unsigned char buffer, unsigned char track, unsigned char sector);
+unsigned char D64SeekDirEntry(unsigned char mode, unsigned char *track, unsigned char *sector, unsigned char *entry_cnt);
+unsigned char D64SeekNextBlock(unsigned char *track, unsigned char *sector);
+unsigned char D64AddDirEntry(unsigned char ftype, unsigned char tfblock, unsigned char sfblock, unsigned char *fname, unsigned int blocksize, unsigned char tfblock_rel, unsigned char sfblock_rel, unsigned char size_rel, unsigned char tfblock_replace, unsigned char sfblock_replace);
+unsigned char D64ScratchDirEntry(unsigned char dirtrack, unsigned char dirsector, unsigned char direntry);
+unsigned char D64RenameDirEntry(unsigned char *fname, unsigned char dirtrack, unsigned char dirsector, unsigned char direntry);
+
+unsigned char D64LoadFileNameSector(unsigned char mode, unsigned char *dirtrack, unsigned char *dirsector);
+unsigned int D64LoadFreeBlocks(void);
+unsigned char D64LoadFile_X_Bytes(struct file2TYPE *file, unsigned char track, unsigned char sector, unsigned char byte, unsigned int NmbrOfBytes);
+unsigned char D64SeekFile(unsigned char *filename, unsigned char *track, unsigned char *sector, unsigned int *blocksize, unsigned char *dirtrack, unsigned char *dirsector, unsigned char *direntry);
+
+#endif