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DIDOD.H
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C/C++ Source or Header
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1994-12-11
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1KB
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68 lines
#define RAW_MODE 1
#define FRAME_SIZE 2352 // size of a raw sector (bytes)
#define NBLOCK 10 // nr. of blocks (sectors) per buffer
// #define NBUF 8 // nr. of buffers (8 works OK) (1 buffer takes 23520 bytes low DOS memory)
#define SYNCH_SIZE 128
struct ReqHdr {
BYTE len;
BYTE unit;
BYTE command;
WORD status;
BYTE reserved[8];
};
struct IOCTLI {
struct ReqHdr req;
BYTE descriptor;
void far *address;
WORD len;
WORD secnum;
void far *ptr;
};
struct DiskInfo {
BYTE control;
BYTE lowest;
BYTE highest;
DWORD total;
};
struct ReadL {
struct ReqHdr req;
BYTE mode;
void far *address;
WORD secnum;
DWORD loc;
BYTE readmode;
BYTE skip[2];
};
struct TrackInfo {
BYTE control;
BYTE track;
DWORD loc;
BYTE info;
};
struct SEEK {
struct ReqHdr req;
BYTE mode;
DWORD address;
WORD secnum;
DWORD loc;
};
struct PlayReq {
struct ReqHdr req;
BYTE mode;
DWORD loc;
DWORD secnum;
};