JPS62117760U - - Google Patents
Info
- Publication number
- JPS62117760U JPS62117760U JP267586U JP267586U JPS62117760U JP S62117760 U JPS62117760 U JP S62117760U JP 267586 U JP267586 U JP 267586U JP 267586 U JP267586 U JP 267586U JP S62117760 U JPS62117760 U JP S62117760U
- Authority
- JP
- Japan
- Prior art keywords
- block
- tape
- writing
- control device
- write operations
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図は本考案を実施したテープ制御装置の構
成ブロツク図、第２図ａは従来のテープのフオー
マツトを表わす図、第２図ｂ，ｃは本考案のテー
プ制御装置によるテープのフオーマツトを表わす
図、第３図ａ，ｂは本考案のテープ制御装置にお
ける書き込み手段の動作を表わすフローチヤート
、第３図ｃは本考案のテープ制御装置の読み出し
手段の動作を表わすフローチヤート、第４図ａ，
ｂ及び第５図ａ，ｂは本考案のテープ制御装置に
おいてエラーが発生した場合のテープの状態を表
わす図、第６図ａ，ｂ，ｃは従来のテープ制御装
置を用いた場合のテープの状態を表わす図である
。
１…マイクロプロセツサ・ユニツトＭＰＵ、２
…プログラム用メモリ、３…テープ・コントロー
ラ、３１…書き込み手段、３２…読み出し手段、
４…テープ・インターフエイス、５…テープ装置
、６…バツフア・メモリ、７…バツフア・コント
ローラ、８…デイスク・インターフエイス、９…
デイスク・ユニツト、９１…デイスク・コントロ
ーラ、９２…デイスク。
Fig. 1 is a block diagram of the configuration of a tape control device embodying the present invention, Fig. 2a shows a conventional tape format, and Figs. 2b and c show tape formats by the tape control device of the present invention. 3a and 3b are flowcharts showing the operation of the writing means in the tape control device of the present invention, FIG. 3c is a flowchart showing the operation of the reading means of the tape control device of the present invention, and FIG. 4a ，
b and FIGS. 5a and 5b are diagrams showing the state of the tape when an error occurs in the tape control device of the present invention, and FIGS. 6a, b, and c are diagrams showing the state of the tape when a conventional tape control device is used. It is a figure showing a state. 1...Microprocessor unit MPU, 2
...program memory, 3...tape controller, 3 1 ...writing means, 3 2 ...reading means,
4...Tape interface, 5...Tape device, 6...Buffer memory, 7...Buffer controller, 8...Disk interface, 9...
Disk unit, 91 ...disk controller, 92 ...disk.
Claims (1)
ツクずつ連続して読み出し／書き込み動作を行な
うテープ制御装置において、 前記テープの先頭ブロツクから複数ブロツク書
き込み動作を行なう場合、第１ブロツク書き込み
後、ギヤツプ部を設け、テープ・マークを書き込
み、第２ブロツクから書き込み動作を行ない、先
頭ブロツクのみ書き込み動作を行なう場合は、ブ
ロツク書き込みと一定長さの消去動作を行なう書
き込み手段と、 前記テープを読み出す場合、前記先頭ブロツク
と前記テープ・マークが正常に読み出された時に
読み出し成功とする読み出し手段と を有するテープ制御装置。[Claims for Utility Model Registration] In a tape control device that sequentially performs read/write operations block by block on a tape on which data is stored, when a plurality of block write operations are performed starting from the first block of the tape, the first block After writing, a gap section is provided, a tape mark is written, a writing operation is performed from the second block, and when writing is performed only on the first block, a writing means for performing block writing and erasing of a certain length, and the tape. 2. A tape control device comprising: reading means for determining that reading is successful when the leading block and the tape mark are read normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP267586U JPH0341324Y2 (en) | 1986-01-13 | 1986-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP267586U JPH0341324Y2 (en) | 1986-01-13 | 1986-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62117760U true JPS62117760U (en) | 1987-07-27 |
| JPH0341324Y2 JPH0341324Y2 (en) | 1991-08-30 |
Family
ID=30781734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP267586U Expired JPH0341324Y2 (en) | 1986-01-13 | 1986-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341324Y2 (en) |
-
1986
- 1986-01-13 JP JP267586U patent/JPH0341324Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341324Y2 (en) | 1991-08-30 |
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