JPH0625983B2 - Data display method for data processor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention is so-called electronic memo pad and has a function of performing arithmetic processing and a function of at least registering / calling data such as a telephone number. The present invention relates to a method of displaying data in a portable data processing device having both.

2. Description of the Related Art In a conventional data processing device, when displaying data such as a telephone number, all digits are displayed by so-called Japanese character display using seven segments.
However, when the telephone number is stored, it is often input from the area code, and the first data is often "0". Therefore, using one digit by using the seven segments has a problem in that unnecessary terminals and storage areas are generated and waste occurs.

Problems to be Solved by the Invention An object of the present invention is to provide a data display method for a data processing device, which solves the problems of the prior art as described above and eliminates unnecessary parts.

Means for Solving Problems The present invention determines a display means having a multi-digit day character display area, a key input means for inputting data, a control means for controlling the data, and a content of the data. In the data display method of the data processing device, which comprises a determining means, the display means is provided with a display section dedicated to the "0" character in the first digit, data is input from the key input means, and the first means is operated by the determining means. It is determined whether the second data is "0", and if it is "0", the display unit dedicated to the "0" character is turned on, and each succeeding digit is composed of 7 segments forming the day character. In the data display method of the data processing device, only the segment at the lower end is lit and the underbar cursor is displayed at the digit where the numerical value is input.

Operation According to the present invention, the display means is provided with the display section dedicated to the "0" character, and the determination means determines whether or not the first data is "0", and if it is "0", it is "0". The character display is lit. Further, according to the present invention, each digit subsequent to the display portion dedicated to the "0" character in the date character display area is composed of seven segments which constitute the date character, and the lower end segment for displaying the underbar cursor. Only is illuminated, which simplifies the configuration and achieves cursor display.

Embodiment FIG. 1 is a block diagram showing an electrical configuration of a data processing device 1 according to an embodiment of the present invention. The data processing device 1 is
For example, the function of performing arithmetic processing and the registration of data. A portable data processing device having a function of making a call, which is called a so-called electronic memo pad. This data processing device 1 includes a key input unit 2 and a processing unit (hereinafter,
A CPU 3), a display unit 4 realized by a liquid crystal display device, etc., a data storage unit 5 for storing the data in the memo mode input from the key input unit 2, and numerical data in the calculation mode. Calculation storage unit 6
Including 0 and. The CPU 3 includes a storage unit 6, a display control unit 7 realized by a decoder that controls the segment electrodes and common electrodes of the display unit 4, and a read-only memory (hereinafter referred to as ROM) 8 in which, for example, a system program is stored. , A storage unit 6, a display control unit 7, and a control unit 9 for controlling the ROM 8. The storage unit 6 includes an input buffer 10 that temporarily stores the characters and numbers input by the key input unit 2, a display buffer 11, a working register area 12, and a flag area 13. The input buffer 10 is the dot display input buffer 1.
0a and an input buffer 10b for displaying Japanese characters. The code signals of the dot display data and the date character display data in the memo mode are temporarily stored in the input buffer 10 by the input operation of the key input unit 2, and the registration key 26
It is transferred to and stored in the data storage unit 5 by the pressing operation (see FIG. 2). Conversely, it is called from the data storage unit 5 and temporarily stored in the input buffer 10. The code signal of the numerical data in the calculation mode is also temporarily stored in the input buffer 10 at the same time, and transferred to and stored in the storage unit for calculation 60 by pressing the memory key.
On the contrary, it is called from the arithmetic storage unit 60 and temporarily stored in the input buffer 10.

The code signal stored in the input buffer 10 is transferred to the display buffer 10 as a bit signal corresponding to each number and character by a character generator (not shown). The bit signal stored in the input buffer 10 corresponds to one dot or segment of the display unit 4,
When the logical state of each bit of the bit signal is "1", it is turned on, when it is "0", it is turned off, and is output as a display signal to the display unit 4 via the display control unit 7. The working register area 12 has working registers 12a, 12b, ..., And these register 12a, 12b,
…, Stores the decimal point management information in the day character display. The flag area 13 includes the first flag 13a and the second flag 13a.
Flag 13b, third flag 13c, fourth flag 13d,
... has. The first flag 13a is, for example, a logical "1"
Indicates a memo mode (a telephone mode for registering a telephone number in this embodiment), and a logical "0" indicates a calculation mode. When the second flag 13b is a logical "1", it indicates an alphabetic character input mode, and when it is a logical "0", it indicates a numeric input mode. When the third flag 13c is logical "1", it indicates the secret registration mode, and when it is logical "0", it indicates the normal registration mode. When the fourth flag 13d is a logical "1", the data content input to the digit at the cursor is displayed blinking, and when it is a logical "0", the blinking display is not performed.

The data storage unit 5 includes a secret registration area 5a for storing data in the secret registration mode, a normal registration area 5b for storing data in the normal registration mode, and data stored in the secret registration area 5a and the normal registration area 5b. And a management information area 5c in which information for managing is stored.

FIG. 2 is a diagram showing an arrangement of keys provided in the key input unit 2. The key input unit 2 includes four arithmetic operation keys 20, a numeral key 21 including alphabetically input keys, a call key 22 for calling registered data, and a mode switching key 2 for switching between a calculation mode and a memo mode.
3, a secret registration mode key 24 for setting the secret registration mode, an alphabet mode key 25 for switching between the alphabet input mode and the numerical value input mode of the numeral keys 21, and a registration key 26. The call key 22 has a call key 22a for forward feed and a call key 22b for reverse feed. The call key 22a for forward feed is used to call registered data sequentially, for example, from newest to oldest in registration order. Is the key
The reverse-feed call key 22b is a key for, for example, sequentially calling the registered data from the oldest registered order to the newest registered order. In addition to the clear memory key 27 for clearing the contents of the arithmetic storage unit 60 in the arithmetic mode, the clear key 28 for clearing the data displayed on the display unit 4, the data storage unit 5 and the arithmetic storage unit 60, for example, an input buffer. 10, a clear key such as an all clear key 29 for clearing the stored contents of the display buffer 11 and the like is provided. In addition, a recall memory key 30 for calling the contents of the arithmetic storage unit 60, a memory minus key 31 for subtracting the contents displayed on the display unit 4 from the contents stored in the arithmetic storage unit 60, and the contents stored in the arithmetic storage unit 60 are used. A memory plus key 32 for adding the contents displayed on the display unit 4,
Also provided are an equal key 33, a percentage display key 34 for displaying a percentage, a decimal point key 35 for displaying a decimal point, and a power-off key 36.

When operating the numeric keys 21, the alphabet key 2
5 is pressed to enter the alphabet mode, for example, when the numeral key 21a is pressed once, the alphabetic character "A" is input, and when the numeral key 21a is pressed twice, the alphabetic character "B" is input. When the numeral key 21a is pressed three times in succession, the alphabetic character "C" is input. When the numeral key 21a is pressed four times in succession, the alphabetic character "A" is input again. In this way, alphabetic characters "A" to "C" are cyclically input. The operation of inputting an alphabet with the remaining numeral keys 21 is the same as the above-described operation. The clear memory key 27 also serves as a cursor moving key for moving the cursor to the right, and the recall memory key 30 also serves as a moving key for moving the cursor to the left.
The all clear key 29 also serves as a power-on key.

FIG. 3 is a diagram showing the display surface 4 a of the display unit 4. The display surface 4a of the display unit 4 has a first mode display area 40, a dot display area 41, a first date character display area 42, a second date character display area 43, and a second mode display area 44. . First day character display area 42 and second day character display area 43
When the and are collectively referred to, they are referred to as a Japanese character display area 50. The first mode display area 40 has an alphabet mode display 40a that lights up in the alphabet mode, a telephone mode display 40b that lights up in the telephone mode, and a secret mode display 40c that lights up in the secret registration mode. The dot display area 41 includes six dot display portions 41a, 41b, 41c, 41d, 41.
It has e and 41f and is composed of 5 × 5 dots. In the first date character area 42, six segment display parts 42a, 42b, 42c,
It has 42d, 42e, 42f. The segment display section 42a, which is a display section dedicated to the "0" character, is composed of one segment consisting of "0", and is therefore configured to be able to display only either 0 or space.
The remaining segment display portions 42b to 42f are composed of day character segments and do not include a decimal point. The second date character display area 43 has a date character display portion 43 having decimal points.
a to 43h. In addition, the second mode display area 4
4 has a memory display 44a, an error display 44b, and a minus display 44c.

FIG. 4 is a flowchart showing an outline of the operation of the data processing device 1. Display is performed in the display routine of step n1, key reading is performed in step n2, and it is determined in step n3 whether or not there is a key input. If there is no key input, processing such as blinking is performed in step n4, and the process returns to step n2. If there is a key input in step n3, a process corresponding to the key input in step n5 is performed, and the process returns to step n1 to reset the display.

FIG. 5 is a flow chart for explaining a specific display operation of the data processing device 1. In step T1, a predetermined key of the key input unit 2 is pressed to input character data to be input. In step T2, it is determined whether the input data is the first data in the Japanese character display area 50. If the determination is negative, the process proceeds to step T3, and if the determination is affirmative, the process proceeds to step T4. .

In step T4, it is determined whether the input data is "0". If the determination is negative, the process proceeds to step T5, and if the determination is affirmative, the process proceeds to step T6. In step T5, it is determined whether the input data is a space (empty area). If the determination is negative, the process proceeds to step T7, and if affirmative, the process proceeds to step T1.

In step T6, according to the input data, the segment display unit 4 which is a display area dedicated to the "0" character is displayed.
The character "0" is displayed on 2a. In step T7, with the segment display portion 42a being a space,
Move the cursor to the next digit to specify the data input position. Then, in the space T3, the character data input to the next-digit segment display portion 42b is displayed. In step T8, the cursor is set to the digit next to the digit where the character data is displayed. Then, the process proceeds to step T1.

FIG. 6 is a flow chart for explaining the detailed operation of step T8 in FIG.

In FIG. 6, in step s1, the control unit 9 determines whether or not the cursor is set at the relevant digit, and if not set, the process proceeds to step T1. If set, the process goes to step s2. Move on to. In step s2, the control unit 9 determines whether the position of the cursor is in the date character display area 50. If the determination is negative, the process proceeds to step s5, and if the determination is positive, step s
Move to 3.

In step s3, the control unit 9 determines whether or not the position of the cursor is the segment display portion 42a in the date character display area 50. If the determination is negative, the process proceeds to step s8, and if the determination is affirmative, the process proceeds to step s4. In step s4, a logic "1" is set in the fourth flag 13d in order to blink the segment display portion 42a.

In step s5, the control section 9 determines whether or not the character data is input to the digit where the cursor is in the dot display area 41. If the determination is negative, the process proceeds to step s10, and if the determination is affirmative, the process is step s6.
Move on to.

In step s6, the control unit 9 sets a predetermined code signal in the dot display input buffer 10a so that the cursor display lights up all the dots in the dot display area 41, that is, a so-called solid cursor. Then, the process proceeds to step s7. In step s7, the control unit 9 sets the logic "1" to the fourth flag 13d for alternately blinking the solid cursor and the character data input and displayed at the relevant digit. To do.

In step s8, the control unit 9 controls the segment display unit 42a.
In the other day character display area 50, it is determined whether the character data is input to the digit where the cursor is. If the determination is negative, the process proceeds to step s11, and if the determination is affirmative, the process proceeds to step s9.

In step s9, the control unit 9 sets the logic "1" to the fourth flag 13d in order to blink the character data input to the digit.

In step s10, the control unit 9 displays a so-called underbar cursor that lights up one row of the lower end of FIG. 3 in the one-digit dot display when no character data is input in the digit where the cursor is located in the dot display area 41. A code signal for doing so is set in the dot display input buffer 10a.

FIG. 7 is a diagram showing a data display example of the day character display area 50 other than the dot display area 41 and the segment display area 42a of the display section 4 in the telephone mode of the present embodiment, and FIG. 8 is the segment display area 42a. It is a figure which shows the example of a data display. FIG. 7 (2) shows a state in which the underbar cursor 51 is displayed in step s10.

In step s11, when the character data is not input to the digit where the cursor is in the daily character display area 50 other than the segment display portion 42a in step s11, the controller 9 lights the segment at the lower end of FIG. A code signal for displaying a so-called underbar cursor is set in the input buffer 10. Then, the process is step T1.
Move on to. FIG. 7 (3) shows a state in which the underbar cursor 52 is displayed in step s11.

FIG. 9 is a flowchart for explaining the blinking operation of the data processing device 1. Referring to FIG. 9, in step m1, the control unit 9 reads the logic of the fourth flag 13d and determines whether or not there is a cursor where the character data should blink. If the determination is negative, the process proceeds to step m1. If the determination is affirmative, the process proceeds to step m2.

In step m2, the control unit 9 counts a predetermined time during which the display data should blink, that is, the lighting time and the extinguishing time. Then, the process proceeds to step m3, and in step m3, it is determined whether or not a predetermined lighting time or extinguishing time is reached. If the determination is negative, the process proceeds to step n2, and if the determination is positive, the process is step m.
Go to 4.

In step m4, the control unit 9 controls the display control unit 7 to perform the inversion operation of turning on / off the display character input and displayed at the digit where the cursor is. Such an operation is sequentially repeated to execute the blinking operation of the display character at the digit at the cursor. FIG. 7 (1) shows the blinking operation of the dot display area 41. In FIG. 7 (1), the display portion 41e of the alphabet "B" is blinking. 8th
FIG. 3C shows that the segment display section 42a is performing the blinking operation as described above. The segment display portion 42a is provided so as to display only "0", FIG. 8 (1) shows a state in which "0" is displayed, and FIG. 8 (2) shows a space (empty state). ) Is shown.

Effect As described above, according to the present invention, the display means is provided with the "0" character dedicated display portion, and the first data of the determination means is "0".
It is determined whether or not it is, and if it is “0”, the “0” character-dedicated display unit is turned on, so that useless terminals and memory circuits can be eliminated. Particularly according to the present invention, "0"
Each digit following the character-only display part constitutes a day character 7
Since the underbar cursor is displayed by illuminating only the segment at the lower end of the segment, the cursor can be displayed with a simple configuration.

[Brief description of drawings]

FIG. 1 is a block diagram showing an electrical configuration of a data processing apparatus 1 according to an embodiment of the present invention, FIG. 2 is a diagram showing a key arrangement of a key input unit 2, and FIG. 3 is a diagram showing a display unit 4. FIG. 4 is a flowchart showing a schematic operation of the data processing device 1,
FIG. 6 is a flowchart for explaining a concrete operation of the data processing device 1, FIG. 6 is a flowchart for explaining a detailed operation of step T8 in FIG. 5, and FIGS. 7 and 8 are examples of data display on the display unit 4. FIG. 9 and FIG. 9 are flowcharts for explaining the blinking operation of the data processing device 1. 1 ... Data processing device, 2 ... Key input unit, 3 ... CPU, 4
... Display section, 9 ... Control section, 13 ... Flag area, 13d ... Fourth flag, 41 ... Dot display area, 42a ... Segment display section, 50 ... Day character display area

Claims (1)

[Claims] 1. Data processing comprising display means having a multi-digit day character display area, key input means for inputting data, control means for controlling the data, and judging means for judging the contents of the data. In the data display method of the apparatus, the display means is provided with a display section dedicated to the "0" character in the first digit, data is input from the key input means, and the first data is "0" by the determination means. If it is "0", the display section dedicated to the "0" character is turned on, and each subsequent digit is composed of 7 segments that make up the day character, and the numerical value is input. The data display method of the data processing device, wherein only the lower end segment is turned on to display the underbar cursor in the displayed digits.