JPS60238919A - Power disconnection processing system of word processor - Google Patents

Abstract

PURPOSE:To prevent occurrence of processing inconsistency so as to protect a prepared document, by turning off the power supply after the remaining process is executed by temporarily reserving the power disconnection, when the power switch is turned off while a series of process is executed. CONSTITUTION:Before executing a process which requires continuation a continuation request indicating section 6 sets a continuation request flag 19 to ''1''. if a power switch 16 is turned off while the process is exectured, a power disconnection checking section 17 is actuated and checks the continuation request flag 19. If the flag 19 is ''0'', power disconnection is immediately set by a power disconnection processing section 18. If the flag 19 is ''1'', the process is restarted after a process stop flag 20 is set to ''1''. After the process is executed, a continuation execution post-processing section 8 is actuated and the continuation request flag 19 is returned to ''0'', and thus, the continuation request is cancelled. Then the process stop flag 20 is checked and, if the flag 20 is ''1'', the power disconnection processing section 18 is called and the power supply is dropped. If the flag 20 is ''0'', the next process is started under the same condition.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Technical Field of the Invention The present invention relates to a power-off processing method for a document creation device, particularly for a portable type Japanese word processor, etc., which is designed to avoid problems if the power is turned off in the middle of processing. The present invention relates to a power-off processing method for a document creation device in which a continuation request instruction is automatically issued in advance when performing document editing processing, and the power is not actually turned off until the processing is completed.

(B) Prior Art and Problems Recently, document creation devices such as so-called Japanese word processors have been widely used. In a Japanese document creation device, for example, words or phrases input in kana characters are converted into kanji by operating a conversion key, and a document containing kanji is created. Various edits such as insertion, deletion, and copying of desired character strings are possible.

The created document is displayed on a display such as an LCD panel,
Printed on the printer as needed.

Conventionally, in the above-mentioned document creation devices, if the power is turned off due to an erroneous operation during document creation, the contents of the document memory etc. will be destroyed, and the document that took a long time to create will be undesirably lost. There was a problem that there was. In particular, in the middle of document editing processing such as "delete", "copy", "move", etc., inconsistencies may occur in the document data or its management information even if the power is turned off and then turned on again.

(C) Object and Structure of the Invention The present invention aims to solve the above-mentioned problems, and when the power switch is turned off in the middle of executing a series of processes that need to be executed continuously, the power is temporarily suspended. The purpose of this method is to prevent processing inconsistency from occurring and to prevent the created document from being undesirably destroyed by turning off the power after the remaining processing is executed. Therefore, the power-off processing method in the document creation device of the present invention includes a keyboard, a document editing section that edits a document according to information input from the keyboard, and a document memory in which document data edited by the document editing section is stored. A document creation device comprising at least a display for displaying document data in the document memory, and a power switch for turning off the power, and for starting a process that needs to be continuously executed in the document editing section! and a continuation request instructing unit that instructs a continuation request, and a continuation request instructing unit that is activated when the power switch is turned off, and when the continuation request instructing unit instructs a continuation request, it instructs a process stop request without turning off the power, and is currently being executed. A power-off check unit that returns to the document editing process, cancels the instruction of the continuation request after the execution of the process that requires continued execution, and determines whether or not the process stop request instruction is present, and determines whether the process stop request is instructed. The present invention is characterized in that it includes a continuous execution post-processing unit that starts processing to actually turn off the power on the condition that the power is turned off. Hereinafter, embodiments will be described with reference to the drawings.

(D) Embodiment of the Invention FIG. 1 shows the configuration of an embodiment of the present invention, and FIG. 2 is a diagram illustrating processing of an embodiment of the invention.

In the figure, 1 is the keyboard, 2 is the input buffer, 3 is the kana-kanji conversion unit, 4 is the dictionary memory, 5 is the document editing unit, 6 is the continuation request instruction unit, 7 is the editing processing unit, and 8 is the m-continuation post-execution process. Department,
9 is a format memory, 10 is a document memory, 11 is a display code buffer, 12 is a save buffer, 13 is a character generator,
14 is a liquid crystal panel, 15 is a printer, 16 is a power switch, 17 is a power-off check section, 18 is a power-off processing section, 1
9 represents a continuation request flag, and 20 represents a processing stop flag.

The embodiment shown in FIG. 1 is a portable type Japanese word processor that creates Japanese documents using the Kana-Kanji conversion method or the Romaji conversion method, and can also be used as a typewriter through so-called sequential printing. It has become.

The keyboard 1 is equipped with keys for manually reading kana and various function keys for document editing, and key information manually entered from the keyboard 1 is stored in an input buffer 2. The kana-kanji conversion unit 3 is activated, for example, by inputting a "conversion" key, and extracts the kanji corresponding to the kana character code string stored on the input buffer 2 from the dictionary memory 4 and converts it into a kanji code. It is something.

Information input from the keyboard 1 is transmitted to the document editing section 5. It should be noted that the general contents of editing processing in the document editing section 5 have been well known for a long time, so a detailed explanation will be omitted. The continuation request instruction section 6 is configured to instruct the document editing section 5 when there is a process that must be continuously executed, that is, when there is a process that would be inconvenient if the process is interrupted due to a power cut during execution. When performing this, a continuation request flag 19 is set in advance to instruct continuation of the process.

The editing processing unit 7 performs, for example, "insert", "delete", "copy"
- Executes processing corresponding to "movement" and other various functions. Among these various processes, there are some that require continuous processing of a series of operations on character data related to the document memory 10 and the like. The continuation post-processing unit 8 resets the continuation request flag 19 after completing the execution of the process for which the continuation request was instructed by the continuation request instructing unit 6, and further determines whether or not a power-off instruction has been issued by the process stop flag 20. This is to determine whether If the processing stop flag 20 is "1" and a power-off instruction has been issued, the power-off processing unit 18 is activated and the power is turned off.

The format memory 9 is a memory that holds line spacing, character spacing, and other format information of the created document. It is mainly referred to when printing a document to the printer 15. The document memory 10 is a memory in which document data being created is stored. The display code buffer 11 is displayed on the liquid crystal panel 14 or printed on the printer 15.
This is a buffer in which the character code for one line to be printed is stored, for example, in JIS code. save buffer 1
2 is a buffer for temporarily saving the contents of the display code buffer 11.

The character generator 13 is a so-called character generator (
CG), which converts the character code in the display code buffer 11 into a character pattern of, for example, 24×24 dots. The character pattern generated by the character generator 13 is displayed on the liquid crystal panel 14. of course,
The display may be something like a CRT display. Further, when there is an instruction for sequential printing or batch printing, the document data is printed on the printer 15.

The power switch 16 is a switch that instructs to turn off the power of the device. In the case of the present invention, even if the user turns off the power switch 16, the power does not immediately turn off. When the power switch 16 is turned off, an interrupt is generated in the process currently being executed. This interrupt causes
The power-off check unit 17 is activated. The power-off checking unit 17 refers to the continuation request flag 19 and checks whether the power can be immediately turned off. If the continuation request flag 19 is "1", the continuation request instruction section 6
If the cent is sent by
1” and return to the interrupt location.

If the continuation request flag 19 is “0”, the power-off processing unit 1
Step 8 turns off the power.

That is, when the continuation request flag 19 is "1", it indicates that power-off is to be put on hold. Processing stop flag 20
When the flag is "1", it indicates that power-off is on hold, and it is determined from this flag whether or not the power should be turned off after executing the remainder of the process that was being executed continuously.

Next, according to FIG. 2, an outline of the processing according to the embodiment illustrated in FIG. 1 will be explained.

When editing a document, before performing a process that requires continuation,
The continuation request instruction unit 6 sets the continuation request flag 19 to "1". Thereafter, the editing processing unit 7 starts executing the processing that needs to be continued. For example, suppose that the power switch 16 is turned off during execution of the process. At this time, the address, register, etc. of the instruction currently being executed are saved by well-known interrupt processing, and the power-off check section 17 is activated.

The power-off check unit 17 first sets the continuation request flag 19 to 1.
10'' is checked. If the continuation request flag 19 is 0'', the power-off processing unit 18 immediately turns off the power. If the continuation request flag 19 is "1", the processing stop flag 20 is set to "1". Note that the processing stop flag 20 is initially set to "0" when the power is turned on. After setting the processing stop flag 20 to "1", the registers etc. at the time of the interrupt are returned to their original values, and the processing is restarted from the interrupt point.

Thereafter, when the editing processing unit 7 finishes executing the process that needs to be continued, the post-continuation processing unit 8 is activated. The continuation post-processing unit 8 returns the continuation request flag 19 to "0" and cancels the continuation request. Then, the processing stop flag 20 is checked and it is determined whether or not it is necessary to turn off the power. If the processing stop flag 20 is "1", the power-off processing unit 18 is called and the power is turned off. If the processing stop flag 20 is "0", the process directly advances to the next processing.

0 (E) As described in detail, according to the present invention, even if the power switch is turned off while a document editing process is being executed that would be inconvenient if the process is interrupted, the process can be continued. Then, the remaining processing is executed, and the contents of the document data etc. are automatically prevented from being undesirably destroyed.

[Brief explanation of the drawing]

FIG. 1 shows the configuration of an embodiment of the present invention, and FIG. 2 shows a processing explanatory diagram of an embodiment of the present invention. In the figure, 5 is a document editing section, 6 is a continuation request instruction section, 7 is an editing processing section, 8 is a continuation post processing section, 16 is a power switch,
Reference numeral 17 represents a power-off check unit, 18 represents a power-off processing unit, 19 represents a continuation request flag, and 20 represents a processing stop flag. Patent applicant: Fujitsu Co., Ltd. Representative Patent Attorney Hiroshi Mori 1) (1 other person) 1

Claims (1)

[Claims] A keyboard, a document editing section that edits a document according to information input from the keyboard, a document memory that stores document data edited by the document editing section, and a display that displays the document data in the document memory. , a document creation device that includes at least a power switch that turns off the power, a continuation request instruction section that instructs a continuation request when starting a process that requires continuous execution in the document editing section, and a power switch that turns off the power switch. a power-off check section that is activated when the continuation request instructing section instructs the continuation request, and issues a request to stop the process without turning off the power and returns to the document editing process that is currently being executed; After the execution of the necessary processing is completed, the instruction of the above continuation request is canceled, and the above-mentioned process stop request instruction is determined, and the process of actually turning off the power is started on the condition that the process stop request is instructed.Continuation 1. A power-off processing method in a document creation device, comprising a post-execution processing section.