JPH0334009A - Key input processor - Google Patents

Abstract

PURPOSE:To follow a high speed key input operation and to surely carry out the key input process by controlling properly the executing time of the input arithmetic/display process. CONSTITUTION:The character data received from a keyboard 11 is stored tempo rarily in a key input buffer 12 and then fetched to a CPU13. The CPU13 inputs the character data read out of the buffer 12 to a text memory 14 and at the same time carries out a key input process which is displayed and outputted via the text screen of a display part 15. In this case, it is possible to properly control the executing time of the input arithmetic process to obtain the present position of an input cursor and the display process of the arithmetic process. Therefore the least and necessary processing is secured in such a case where the characters such as the alphabet, etc., are inputted at a high speed via the key operations. Thus it is possible to follow a high speed key input operation and to surely carry out the key input process.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a key input processing device such as a two-electronic typewriter or word processor.

[Summary of the invention]

This invention provides information on the current input cursor position, etc. in a word processor or the like that temporarily stores key-input character data in a key-input buffer and sequentially reads out the character data in this key-input buffer and inputs it into a text memory. When performing an input calculation based on the number of input characters in the text memory, the execution timing of the calculation can be appropriately controlled. [Prior Art] Conventionally, in key input processing devices such as electronic typewriters and word processors, character data input by key is temporarily stored and held in a key input buffer, and the character data in this key input buffer is It performs key input processing to sequentially read and display the text and input it to the text memory. In this case, an input operation is performed to determine the current input cursor position M (page 1 line, digit) based on the number of input characters in the text memory, and the y4 calculation result is displayed and output. FIG. 4 is a flow chart for explaining the operation of a conventional key input processing device. First, on the condition that character data is held in the key input buffer (step A2), the following processes are sequentially executed. That is, one character of the character data in the key input buffer is read out in the order of key input, and this character data is input and stored in the text memory (step A2), and is displayed and output from the text screen (step A3). In this way, when the key input process for one character is completed, an input calculation is executed to determine the current input cursor position (one column per page, one digit) based on the number of input characters in the text memory (step A4). In this case, the current input position is calculated from the beginning of the text memory, and the result of this calculation is displayed and output from the message screen (step A5).
), if kana-kanji conversion is required, the above-mentioned input rA calculation is performed after kana-kanji conversion. [Issue 11 to be solved by the invention] However, in this type of device, characters that do not require kana-kanji conversion, namely alphabets, katakana,
When numbers or the like are entered at high speed by blind touching, the key entry operation may temporarily become faster than the internal processing time, and the internal processing may not be able to keep up with the key entry speed. In such a case, data overflows from the key input buffer, and processing proceeds without any key input processing being performed on the data, resulting in a serious problem of key drop due to the blurred data. The reason for this is that input calculations and display processing of the calculation results require a considerable amount of time, and input calculation/display processing is performed every time a key is input. It is clear that if the execution timing of input calculation/display processing can be appropriately controlled, it is possible to follow high-speed key input operations and reliably execute key input processing. An object of the present invention is to make it possible to appropriately control the execution timing of input calculation processing for determining the current input curvature position, etc., and display processing for displaying the calculation results. [Means for Solving the Problems] The means of the present invention are as follows. Key input processing (see the 411 function block diagram in Figure 1)
The same applies hereafter) is a key input device equipped with various keys such as alphabet, katakana and two numeric keys. The key input holding means 2 is a key input buffer that temporarily stores and holds character data sequentially input from the key input process 1. Note that one character data includes not only alphabets, numbers, etc., but also symbols, etc. The input processing means 3 performs key input processing for sequentially reading character data held in the key input holding means 2 and inputting the data into the text memory 4. The determining means 5 determines whether character data that has not been subjected to key input processing by the input processing means 3 exists in the key input holding means 2 or not. When the operator stage 6 is determined to be non-existent by the determining means 5,
A predetermined input calculation is performed based on the number of character data input to the text memory 4. The display means 7 is a CRT display device, a liquid crystal display device, or the like that displays and outputs the calculation results obtained by the calculation means 6. [Function] The function of the means of this invention is as follows. Now, when character data is input sequentially from the key input process 1, the input character data is temporarily stored and held in the key input holding means 2. Then, the input processing means 3 sequentially reads out the character data in the key input holding means 2 in the order of key input and inputs them into the text memory 4. At this time, the first determining means 5 determines whether or not character data that has not been subjected to key input processing exists in the key input holding means 2. In that case. In other words, if the key input process is temporarily unable to keep up with the key input speed, the key input holding means 2
Because there is character data inside. Input calculations by the operator stage 6 are prohibited, but when the key input processing progresses and character data no longer exists in the key input holding means 2, the operator stage 6 stores the character data input in the text memory 4. For example, by determining the current input position from the beginning of the text memory 4, the current input cursor position (page 1 line, digit) is calculated. The input cursor position δ, etc. thus determined are displayed and output from the display means 7. Therefore, it is possible to appropriately control the execution timing of the input calculation process (9) for determining the current input cursor position, etc., and the display process for displaying the calculation results.

【Example】

One embodiment will be described below with reference to FIGS. 2 and 3. FIG. 2 is a block diagram showing the basic configuration of the key input processing device. Character data input from the keyboard 11 is temporarily stored in a key input buffer 12 and then taken into the CPU 13. The key input buffer 12 temporarily stores and holds character data etc. input from the keyboard 11, and the contents of the key input buffer 12 are sequentially read into the CPU 13 according to the order of key input. The CPU 13 controls various operations according to pre-stored microprograms, and stores character data read from the key input buffer 12 in the text memory 1.
4 and executes key input processing to display and output from the text screen of the display unit 15. In this case, the CPU
13 detects whether or not character data exists in the key input buffer 12, and controls the switching operation of the data bus switching unit 16 based on the detection result. Note that the data bus switching unit 16 controls whether the CPU 13 and the display unit 15 are connected directly or via an input information calculation unit 61117.1 Normally, the data bus switching unit 16 and the input information calculation unit 17 are Although they are separated, when the data bus switching section 16 and the input information calculation section 17 are connected, the calculation results of the input information calculation section 17 are displayed and output from the message screen of the display section 15. Input information calculation section! 7 executes input calculation processing to obtain the current input cursor position (page, line 1 digit), and this input calculation processing is performed based on the number of character data input in the text memory 14 as usual. Find the input cursor position. Next, the operation of this embodiment will be explained with reference to the flowchart shown in FIG. Now, when a key input operation is performed, the flowchart shown in FIG. If there is no character data in the file, this means that a function key has been operated, and the process exits from this flow and moves to execution of the process corresponding to the operated function key. Furthermore, when a character key is operated, the presence of character data is detected in step B1, so the key input buffer 12
reads one character of character data in the order of key input, inputs this character data into the text memory 14 (step B2), and displays and outputs this character data from the text screen of the display unit 15 (step B3), In this case, since the data bus connecting the CPU 13 and the input information calculation section 17 is normally separated by the data bus switching section 16, character data is sent from the CPU 13 to the display section 15 and output for display. When the key input processing for one character is completed in this way, the process proceeds to the second step B4, and it is checked whether there is any character data remaining in the key input buffer 12 that has not been subjected to key input processing. Here, if alphabets, numbers, etc. are entered using the keys at high speed, that is, if the key entry operation is temporarily faster than the processing speed, then the characters are stored in the key input buffer 12. Since some data remains, the process returns to step B2, reads the next character data from the key input buffer 12, inputs it to the text memory 14, and outputs it for display from the text screen of the second display section 15 (step B3). In this way, if there is character data in the key input buffer 12, the character data is read out one character at a time from the key input buffer 12 and the key input process is sequentially repeated. However, the 2-key input process progresses, and the key input buffer 1
When there is no more character data in 2, this is detected in step B4. Then, the switching operation of the data bus switching unit 16 is controlled to connect the CPU 13 and the input information calculation unit 17. As a result, the input information calculation unit F executes input calculation processing to determine the current input cursor position based on the number of input characters in the text memory 14 (step B5), and the cursor position information obtained thereby is displayed on the message screen of the display unit 15. It is displayed and output from (step B6). In this way, in this embodiment, the key input buffer 12
When there is no longer any sentence character data within the input y4 input y4 calculation process and the @ calculation result display process is executed. In the above embodiment, the current input cursor position is determined through input calculation processing, but the usage amount, remaining amount, etc. of the text memory 14 may also be determined. [Effects of the Invention] This invention can appropriately control the execution timing of input calculation processing for determining the current input cursor position, etc. and display processing for displaying the calculation results, so that characters such as alphabets can be displayed at high speed. In the case of key input, it is possible to limit the processing to the minimum necessary. therefore,
Even in such a case, it is possible to follow high-speed key input and reliably execute key input processing.

[Brief explanation of drawings]

Figure 1 is a functional block diagram of this invention, Figures 2 and 3.
The figure shows an example, 2nd v! J is a block diagram showing the basic configuration of the key input processing device, and FIG. 3 is a flow chart showing operations during key input. FIG. 4 is a flowchart showing the operation of a conventional key input processing device. 11...Keyboard, 12...Key input buffer 12...CPU, 14...
Text memory, 15...display section, 17...input information calculation section. Figure 2 Figure 2

Claims (1)

[Claims] Key input holding means for temporarily storing and holding character data sequentially input from the key input means, and character data held in the key input holding means being sequentially read and input into a text memory. an input processing means for performing key input processing for the input processing; a determination means for determining whether or not character data that has not yet been subjected to key input processing by the input processing means exists in the key input holding means; A calculation means for performing a predetermined input calculation based on the number of character data input into the text memory when the text memory is determined to be non-existent by the means, and a display means for displaying the calculation result by the calculation means. A key input processing device characterized by: