JPH03257521A - Medium copy system - Google Patents

Abstract

PURPOSE:To attain the copying tasks among the media having different formats by obtaining the format information on both a copying medium and a medium to be copied and writing the data read out of the copying medium into the medium to be copied in accordance with the format information. CONSTITUTION:A format information control means 2 compares two types of format information acquired by a format information acquiring means 1 with each other. Then the data are read out of a copying medium 7 for each sector via a data reading means 5 and stored in a certain area of a main storage 6 based on the format information on the medium 7 acquired by the means 1. The data are rewritten by a file control table rewriting means 4 for a file control table storing those read data so as to secure the accordance with the format of a medium 8 to be copied. Then the data are written into the medium 8 via a data writing means 3. Thus the media can be copied even among different formats.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a media copying method in a floppy disk device.

[Conventional technology]

Media copying is sometimes performed in floppy disk drives. In such a case, Flo 5. When copying data from a disc, a certain amount of data is read into memory from the copy source using media of the same format. Copying is then performed by repeating the operation of writing the data as is onto the copy destination medium.

(Problem B to be Solved by the Invention) The conventional copying method described above has a drawback in that it is not possible to perform media copying between media of different formats.

SUMMARY OF THE INVENTION An object of the present invention is to provide a media copying method that eliminates such drawbacks and can perform media copying even between media of different formats.

[Means to solve the problem]

The present invention provides a media copying method in which data from a copy source medium is written to a copy destination medium, which obtains format information of the copy source medium and copy destination medium, and reads data from the copy source medium according to the obtained format information of the copy source medium. , Write the read data to the copy destination medium according to the format of the copy destination medium! : It is characterized by:

〔Example〕

Next, embodiments of the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing an example of a media copying apparatus for implementing the present invention. The medium copying system shown in FIG. 1 includes a format information obtaining means 1 for obtaining format information of the copy source and copy destination media 7.8, a format information control means 2 for controlling the obtained information, and a method for storing data. A main storage device 6, a data reading device 5 that reads data from the copy source medium 7 onto the main storage device 6 by the format information control device 2, and format information obtained if there is a file management table of the medium in the read data. From there, a file management table rewriting means 4 rewrites the contents of the file management table to data according to the format of the copy destination, and the data read into the main storage device 6 is written to the copy destination according to the media format of the copy destination. The data writing means 3 is also provided.

Next, the operation of this media copying device will be explained.

When copying data from copy source medium 7 to copy destination medium 8,
The format information manual means 1 manually stores the format information of the copy source medium 7 and the copy destination medium 8 by the operator's key input or by looking at the file management table of each medium. This format information includes sector length (number of bytes per sector), medium capacity, etc.

The format information control means 2 processes the format information obtained by the format information obtaining means 1 according to the flowchart shown in FIG.

As shown in FIG. 2, the format information control means 2 determines the sector length A of the copy source medium 7 and the sector length B of the copy destination medium 8 from the format information obtained by the format information acquisition means 1.
(Step Lot).

If the comparison result is A>B, then the format information F obtained by the format information obtaining means 1 from the copy source medium 7 [therefore, one sector worth of data is transferred to a certain area of the main storage device 6 using the data reading means 5]. Load (step 10)
2). Next, since A≠B, it is determined whether or not a file management table exists in the data read into the main storage device 6 (step 103). If it exists, the file management table rewriting means 4 The management table is rewritten (step 104). Here, the file management table rewriting means 4 rewrites the contents of the file management table of the copy source medium 7 on the main storage device 6 in accordance with the format information of the copy destination medium 8 obtained by the format information obtaining means 1.

Next, the data on the main storage device 6 is written to the copy destination medium 8 using the writing means 3. In this writing, if A>B, the data read in step 102 is divided into A2B pieces, and each divided piece is divided into 1 total 5 pieces.
2 minutes, this is also written to the copy destination medium 8 according to the format information of the copy destination medium 8 (Step 10
5). This operation starts from the first sector of the copy source medium 7 and is repeated until the final sector is detected in step 106. If A=B in step 101, then
A total of 52 pieces of data are read from the copy source medium 7 into a certain area of the main storage device 6 using the data reading means 5 according to the format information obtained by the format information manual means 1 (step 1o7). And A, = B
In this case, the file management table is not rewritten.

Next, the length of the data read in step 107 is
sector≧, and data is written to the copy destination medium 8 using the data writing means 3 according to the format information of the copy destination medium 8 obtained by the format obtaining means 1 (step 1o8). This operation is repeated starting from the first sector of the copy source medium 7 until the final sector is detected in step 109.

In step 101, if A<B, data for sectors B/A is read and data of the same length as the sector length B of the copy destination medium is stored on the main storage device 6 (step 110).
). Next, since A≠B, it is determined whether a file management table exists in the data read into the main storage device 6 (step 111), and if it exists, the file management table is rewritten. The file management table is rewritten by means 4 (step 112). Here, the file management table rewriting means 4 updates the contents of the file management table of the copy source medium 7 on the main storage device 6 to the copy destination medium 7 obtained by the format information obtaining means 1.
Rewrite according to the format information. Next, the data on the main storage device 6 is written to the copy destination medium 8 using the writing means 3. In this writing, if A<B, data is written to the copy destination medium 8 according to the format information of the copy destination medium 8 obtained by the format acquisition method, with the length of the data read in step 110 being 1 sector. Write using method 3 (step 113). This operation is repeated starting from the first sector of the copy source medium 7 until the final sector is detected in step 114.

In this way, the format information control means 2 compares the two format information obtained by the format information acquisition means 2, and reads data from the copy source medium 7 to the data reading means 5.
is used to read data in sector units into a certain area of the main storage device 6 according to the format information of the copy source medium 7 obtained by the format information obtaining means 1. The file management table of the read data is rewritten by a file management table rewriting means 4 to match the format of the copy destination medium 8. Then, data is written to the copy destination medium 8 by the data writing means 3 to perform medium copying.

〔Effect of the invention〕

As explained above, the present invention obtains format information of the copy source medium and the copy destination medium, and writes data read from the copy source to the copy destination medium according to the format, thereby making it possible to transfer media with different formats. It has the effect of making copies.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an example of a medium copying apparatus for implementing the present invention, and FIG. 2 is a flow diagram showing a control procedure of the format information control means of FIG. 1. 1...Format information acquisition means 2...Format information control means 3...Data writing means 4...File management table rewriting means 5...Data reading means 6...Main storage device 7...Copy source medium 8...Copy destination medium

Claims (1)

[Claims] (1) In a media copying method that writes data from a copy source medium to a copy destination medium, the format information of the copy source medium and the copy destination medium is obtained, and the data of the copy source medium is read according to the obtained format information of the copy source medium. A media copying method characterized by writing read data onto a copy destination medium in accordance with the format of the copy destination medium.