SinclairMicrodriveImage.bt

//-----------------------------------
//--- 010 Editor v2.0 Binary Template
//
// File:     SinclairMicrodriveImage.bt
// Author:   
// Revision: 1.0
// Purpose:  Defines a template for parsing 
//   images of emulated Sinclair Microdrive
//   cartridges.
//-----------------------------------

struct {
	ubyte HDFLAG[1]; // Value 1, to indicate header block  *See note.
//	char HDNUMB[1]; // sector number (values 254 down to 1)
	ubyte HDNUMB[1];
	ubyte UNUSED[2];	// not used (and of undetermined value)
	ubyte HDNAME[10];	// microdrive cartridge name (blank padded)
	ubyte HDCHK[1];	//header checksum (of first 14 bytes)

	ubyte RECFLG[1];	//   - bit 0: always 0 to indicate record block
			//   - bit 1: set for the EOF block
			//   - bit 2: reset for a PRINT file
			//   - bits 3-7: not used (value 0)
                          
	ubyte RECNUM[1];	//   data block sequence number (value starts at 0)
	ubyte RECLEN[2];	//   data block length (<=512, LSB first)
	ubyte RECNAM[10];	//   filename (blank padded)
	ubyte DESCHK[1];	//   record descriptor checksum (of previous 14 bytes)
	ubyte CHDATA[512];	//   data block
	ubyte DCHK[1];	//     data block checksum (of all 512 bytes of data
			// block, even when not all bytes are used)
} MicrodriveSector[254] ;
	ubyte WriteProtectionFlag[1];