JPS61198353A - Data input system - Google Patents

Abstract

PURPOSE:To apply key input correctly without designating the input mode depending on the mode key by setting automatically the input mode to an operated key when any key operation is executed. CONSTITUTION:When any key operation is executed in the data input system of a small sized electronic calculator provided with plural different display sections, the display mode of the display section for the case is referenced to discriminate the input mode to the operated key thereby switching automatically the set input mode. For example, suppose that an alphabet key A is operated, a control section 13 reads a flag D0 stored in a RAM 15 to a flag discrimination section 17, where whether or not the level is logical '1' is discriminated, and when logical '0,' a flag D1 is read to the section 17, where whether or not the flag level is logical '1'. Since the level of the flag D1 is logical '0', whether or not a flag M0 is logical '1' is discriminated, and when the flag is logical 0, whether the operated key is a character key or a numeric or a function key is discriminated. When the key is a character key, the input processing to the character key is applied.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention 1] The present invention relates to a data input method in a small electronic calculator having functions for inputting numerical data and character data.

[Prior Art and its Problems] Conventionally, small electronic calculators such as electronic desktop calculators have been equipped with a plurality of display sections each having a different display function, and are capable of displaying character data as well as numerical data. Some devices are designed to memorize numbers, etc. In this type of conventional small electronic calculator equipped with a memo function, etc., when data is to be input, an input mode is set in advance and keys are manually operated. In other words, when a certain mode is specified,
If it is desired to operate the keys manually in another mode, the desired mode is specified using the mode key, and then the keys are manually operated in that mode. In this case, operating a key in another mode without switching the input mode is treated as a no-operation. Therefore, if you want to start the key manually from a mode other than the initial setting mode,
First, the desired mode must be specified using the mode key. Furthermore, when inputting data for a plurality of modes, it is necessary to switch the input mode r each time by operating a mode key, making the key operations extremely complicated.

[Object of the Invention] The present invention has been made in view of the above points, and provides a method for automatically setting an input mode for a key operation when a key operation is performed, and specifying an input mode using a mode key. The purpose of the present invention is to provide a data input method that can be performed correctly without any key human effort.

[Summary of the Invention] The present invention provides a data input method for a small electronic calculator equipped with a plurality of display sections with different display functions, in which when a key operation is performed, the display mode etc. of the display section at that time is referenced. The setting input mode is automatically switched by determining the input mode for the operation key.

[Embodiments of the Invention] Hereinafter, the details of the present invention will be described in the case where it is implemented in a small electronic calculator equipped with a memo function and a telephone number storage function. First, the circuit configuration will be explained with reference to FIG. In FIG. 1, 11 is a key input section, such as numeric keys,
Equipped with function keys, alphabet keys, etc. In addition to the key for specifying calculations, the function keys listed above include the r key that also serves as the power on key and all clear key.
ACJ key, r MEMOJ key to specify the memo function, r position J key to specify the memo function of the telephone number. ``Display selection'' key to switch input to the display section, ``Memory'' key to store input data in memory. etc. The data input from the key input section 11 is sent to the key discrimination circuit 12, and the address of the control section 13 is specified by the key discrimination circuit 12. This control section 13 is
For example, it is configured with a ROM and stores various control programs. The control unit 13 then outputs the display buffer 14 and RAM 1 from the output lines a and b.
While outputting the address data for 5 respectively,
Numerical data is output from the output line C to the pass line 16. Is the above display buffer 14 an upper display buffer? 1
4a and a lower display buffer 14b, tJ\, which are connected to the pass line 16.

The RAM 15 is configured with registers for calculations such as x, y, z, etc., and is also provided with a flag area 15a, which is connected to the pass line 16. The flag area 15a includes Dt and Dt.

Flags such as Me are stored, and these flags are judged by the flag judgment section 17, and the judgment result is sent to the control section 13. In addition, in the pass line 16,
A calculation section 18 and a data memory 19 are connected, and a display section 21 is also connected via a gate circuit 20. This display section 21 consists of an upper display section 21a and a lower display section 21b.The upper display section 21a can display, for example, alphabetical characters, numbers, etc., and the lower display section 21b can only display numbers. There is. The gate circuit 20 operates on the upper display section 21a according to a control signal from the control section 13.
Alternatively, select the lower display section 21b. The data memory 19 also includes a memory 19a1 for storing telephone numbers.
It consists of a MEMO memory 19b that stores memo data,
An address is designated by the address counter 22.

The address counter 22. The counting operation is controlled by a signal sent from the control section 13 via the output line d.

Next, the operation of the above embodiment will be explained. Flag Me written in the flag area 15a of the RAM 15.

Do, 01 is a flag indicating the operation mode and has the following functions. That is, the flag Me is a flag indicating calculation mode and character input mode, and when it is "0" it indicates calculation mode, and when it is "1" it indicates character input mode. Further, the flag Da is a flag indicating the input display mode and the stored data display mode (record display mode), and when it is 0'', it is the input display mode, and when it is ``1'', it is the stored data display mode. The flag D1 is the upper display section 2.
1a, a flag indicating the designated state of the lower display section 21b;
10 II indicates that the lower display section 21b is selected, and 1'' indicates that the upper display section 21a is selected.When using the above-mentioned small electronic calculator,
First, as shown in FIG. 2 (1), the rAcJ key, which also serves as the power-on key, is operated.

When the rAcJ key is operated, the control unit 13 starts operating, and as shown in the flowchart of FIG. 3(a),
First, in step A1, 0'' is written to the flags Da and D1 stored in the RAM 15, and then, in step A2, 110'' is written to the flag MO, and the process ends. When "O" is written in the flags Do and Dl as described above, the lower display section 21b is selected and designated in the input display mode. Also, the flag MO is set to “O”.
” is written to enter calculation mode.

In the above state, if the alphabet key rAJ is operated as shown in FIG. 2 (2), the control unit 1
3 starts input processing according to the flowchart shown in FIG. First, as shown in step B1 of FIG.
The flag determination unit 1 stores the flag Do stored in M15.
7 and judges whether it is '1'', that is, whether it is input display mode or stored data display mode.If the above judgment result is NOl, that is, if it is input display mode, step B
Proceeding to step 2, the flag D1 is read from the RAM 15 to the flag determining unit 17, and it is determined whether it is "1" or not, that is, which of the upper display section 21a and the lower display section 211) is designated. Since the flag D1 is "0" at this point, the determination result in step B2 is NO, and the process proceeds to step B3, where it is determined whether the flag Mo is 1".

If the flag MO is "0'', the process proceeds to step B4, and it is determined whether the operation key is a character key, a numerical value, or a function key. If the operation key is a character key as described above, the process proceeds to step B5. It is determined whether or not a number is being set. If the number is not being set, the upper display buffer 14a and the lower display buffer 14b are cleared as shown in step B6, and then in step B7, the flag Ds, Set Ma to "1".

When the flag D1 is set to “1”, the gate circuit 20
is switched to the upper display section 21a side by a command from the control section 13, and the character input mode is designated by setting the flag MO to "1".Then, the process advances to step B8, and the above-mentioned Input processing for the character keys is performed.As a result of this input processing, the alphabetical character rAJ operated by the key is written from the control section 13 to the upper display buffer 14a via the output line C and the pass line 16, and is displayed in the upper display section 21a. is displayed from the left side. In this case, the cursor is displayed next to the character rAJ,
Indicates the next character input position. After that, if the alphabet keys are operated continuously as shown in FIG. 2 (2), the flag D is
1 is determined to be "1", and the process proceeds to step B9, where input processing is performed. As a result of this input process, the alphabetical character, eg, rBJ, which has been key operated, is written into the upper display buffer 14a following the character rAJ, and is displayed on the lower display section 21a. Below, if you operate alphabetic characters in succession, follow steps B1 and B2 above.
, B9 are repeated, and the alphabetic characters are input to the upper display buffer 14a and displayed on the upper display section 21a. Note that if a character key is operated while the number is being entered, the determination result in step B5 is YES, and the process is performed as a no-operation.

When the character input is cleared and calculation processing is performed, after operating the rAcJ key as shown in FIG. 2 (4), calculation data is input by operating keys such as r2X4-J. When the rACJ key is operated, the flag Do is activated as described above.

“0” is written to Os and Mu. After that, see Figure 2 (
5) When the numerical key, for example "2", is operated, the process proceeds to step 84 via steps B1, B2, and 83 in FIG. A judgment will be made. If the numerical keys are operated as described above, the process advances to step B10, where input processing for the operation keys is performed. That is, in this case, since the flag Do 1DI and MO are all "O'', the numerical data "2" inputted from the key input section 11 is sent from the control section 13 to the output line C1.
It is written to the X register of the RAM 15 and the lower display buffer 14b via the pass line 16, and is written to the lower display section 2.
1b. Next, as shown in FIG. 2 (6), when the multiplication key "x" is pressed, the process goes through steps 81 to B4 to step B10, as in the case of the numerical keys described above.
Input processing for the multiplication key is performed. Then the second
When the numeric key "4" is operated as shown in Figure (7),
Step B in the same way as when inputting the numerical data "2" above.
Input processing is performed at 10. That is, when operating a numeric key immediately after a function key is operated, the contents of the lower display buffer 14b are cleared, and then the numerical data "4" is written to the Y register of the RAM 15, and the lower display buffer 14b is cleared. The data is written to the buffer 14b and displayed on the lower display section 21b.

In this state, if the character key rKJ is erroneously operated as shown in FIG. 2 (8), the operation of the character key is determined in step B4, and it is determined in step B5 whether or not a number is being entered. In this case, since the number is being set, it is processed as a no-operation as described above. Next, as shown in FIG. 2(9), when the "-" key is operated, the process proceeds to step 810 through the key discrimination process of step B4, where input processing is performed. When the "=" key is operated as described above, the control unit 13 reads the data held in the X register "2" and the data held in the Y register "4" of the RAM 15 to the calculation unit 18, and multiplies r2X4-8J. Let them do it. The multiplication result “8” of this arithmetic unit 18 is 2 in the RAM 15.
At the same time as being written to the register, the lower display buffer 14
b and is displayed on the lower display section 21b. Calculation processing for key human power is performed as described above.

In addition, when reading out the telephone number stored in the position memory 19a, operate the r, position, and J primary keys as shown in FIG. 2 (10). By this r position J primary key operation, the control unit 13
The process shown in the flowchart of FIG. 2(b) is executed. First, as shown in step A11 in FIG. 3(1), the stored contents are read from the storage memory 19a according to the address specified by the address counter 22 and written to the display buffer 14. In this case, the telephone number is displayed in the lower display buffer 14b.
The character data indicating the name etc. for the telephone No. 11 is written to the upper display buffer 14a, and the character data indicating the name etc. for the telephone No.
to be displayed. Next, the process proceeds to step A12, where the flag Do
is set to "1" to switch to the storage data read mode, and at the same time, in step A13, the flag Ma is set to "1".
'' and switch to character input mode. This completes the input operation for the r and J main keys. Also, in the above state, if you operate the r and J main keys, the address counter 2
2 is counted up and the next stored data is read out from the storage memory 19a to the display buffer 14 and displayed on the display section 21.

If the telephone number is to be rewritten in the telephone information read out on the display section 21 as described above, the telephone number is input using the numerical keys as shown in FIG. 2 (11). When the numeric keys are operated after operating the r position J primary key, the flag Do is determined to be "1" in step B1 of FIG. 4, and the process proceeds to step 311 where it is determined whether the flag Mo is "1'' Since the flag Mo is "1" at this point, the process advances to step B12 to determine the content of the operation key. If the operation key is a numeric key, step B13
The contents of the upper display buffer 14a and the lower display buffer 14b are cleared. Then step 81
Proceeding to step 4, "0" is written in the flags Do and Dt, and "1" is written in the flag MO.

As a result, the lower display buffer 14b is selected and the mode is switched to calculation mode. Then, in step B15, input processing is performed on the numerical keys. Therefore, is the above numerical input data the buffer for lower display? 14b
and displayed on the lower display section 21b. after that,
Next, when the numerical key is operated, the process proceeds to step B3 via steps Bi and B2, where it is determined whether the flag Ma is "1°" or not. At this time, the flag MO is 1°9, so step 31G If the operation key is a numeric/function key, input processing is performed at step 317. In this case, if a character key is operated by mistake as shown in FIG. 2 (12), step B1e
Character key input is detected and treated as a no-operation. After inputting a telephone number, when inputting a name for the telephone number, the user selects and designates the upper display buffer 14a using the display selection key, and then inputs the name by operating the alphabet keys. However,
After entering the telephone information as described above, if you specify the data input mode and operate the r, , and J primary keys, the data held in the upper display buffer 14a and the lower display buffer 14b will be sent to the memory 19a. and written to the address specified by the address counter 22.

Also, when inputting the above telephone information, it is also possible to input the name first. That is, as shown in FIG. 2 (13), after reading out the stored contents of the main memory 19a to the display buffer 14 by operating the r and J main keys,
) Operate the alphabet keys as shown. In this case, from step B1 to step B11, step 8
When the process proceeds to step 12, it is determined that the operation key is a character key, and the process proceeds to step 318. In this step 318, the upper display buffer 14a and the lower display buffer 14b are cleared, and then in step 819, the flag D1 is set to "1" to select and designate the upper display buffer 14a, and OII is set in the flag Do. Write and switch to the input display mode, and further set the flag Mo ``1'' to specify the character input mode. And step 8
In step 20, input processing for the operation keys is performed.

As a result, the character input data is transferred to the upper display buffer 14a.
and displayed on the upper display section 21a. after that,
Subsequently, by operating the alphabet keys, the process advances to step B9 via step B1.82, and input processing for alphabetic characters is performed. After inputting characters as described above, the user selects and selects the lower display buffer 14k using the display selection key, and inputs a telephone number by operating the numerical keys. This telephone number is written into the lower display buffer 14b and displayed on the lower display section 21b. After inputting the telephone information as described above, if you specify the data input mode and operate the r/J main keys, the upper display buffer 14a and the lower display buffer 1
The data held in 4b is sent to memory 19a and written to the address specified by address counter 22.

In addition, when reading memo data stored in the MEMO memory 19b, as shown in FIG. 2 (16), the rMEM
Operate the OJ key. When this rMEMOJ key is operated, the control unit 13 executes the process shown in the flowchart of FIG. 3(C). First, as shown in step A21, the address counter 22 is read from the MEMO memory 19b.
The content of the address specified by is displayed in the display buffer 14.
is read out. In this case, character data such as rcO3T
J is read out to the upper display buffer 14a, and numerical data such as N280J is read out to the X register of the RAM 15 and the lower display buffer 14b, and displayed on the upper display section 21a and the lower display section 21b, respectively.

Next, as shown in step A22, the flag Do is set to "1".
is set, and "O" is written in the flag Mo in step A23. This completes the processing for the rMEMOJ key. Also, in this state, rMEMOJ
When the key is operated, the address counter 22 is counted up and the next stored data is read out from the MEMO memory 19b to the display buffer 14. When performing calculations using the data read into the lower display buffer 14b, function data, calculation numbers, etc. are input as they are. For example, as shown in Figure 2 (17), "÷"
Operate the keys. By operating this "÷" key, the process advances from step B1 in FIG. 4 to step 311, and the flag MrJ
It is determined whether or not is "1". In this case the flag Mll
Since l is "0", step B11 to step B
Proceeding to step 21, it is determined whether the operation key is a character key or a numeric/function key. If the function key is operated as described above, the process proceeds from step B21 to step 822, where the upper display buffer 14a is cleared. Next, as shown in step B23, after writing 0'' to the flags Do, Dl, and M'O, step 8
At 24, manual key processing is performed on the operation keys.

After that, the number of operations is 2, for example, as shown in Figure 2 (18).
'', the program proceeds to step 810 via steps 81 to B4 in FIG. In this state, as shown in Figure 2 (19),
When the "-" key is operated, input processing is performed in step 1310 as in the case of the numerical keys described above. the above"
-” key is operated, the control unit 13 loads the RAM 15
The data held in the X register and Y register of
2 registers and the lower display buffer 14b.
is written and displayed on the lower display section 21b.

In addition, when rewriting the data stored in the MEMO memory 19b, the user operates the rMEMOJ key as shown in FIG. By operating the rMEMOJ key, "1" is set in the flag D11 as described above, "0" is written in the flag M5, and the calculation mode is selected and designated. In this state, if you input memo data such as "J" by operating the alphabet keys as shown in FIG. 2 (21), the process proceeds from step B1 in FIG. The buffer 14a and the lower display buffer 14b are cleared. Then, in step 819, the flag Do is set to "0", and the flags D1 and Mll are set to "1", and then, in step B20, input processing for the operation keys is performed.By this input processing, character input data r
JJ is written into the upper display buffer 14a and displayed on the upper display section 21a. Subsequently, as shown in FIG. 2 (22), when characters are input, the process proceeds to step B9 via steps B1 and 82, where input processing for the operation keys is performed. Then, the input data, for example rKLJ, is written to the lower display buffer 14b and displayed on the upper display section 21a. If numerical data is to be memorized following the character data, the numerical data is input after specifying the lower display buffer 14b using the display selection key. Is this numerical input data a buffer for lower display? 14b and displayed on the lower display section 21b. After inputting memo data as described above, when the data input mode is specified and the IMEMOJ key is operated, the data held in the upper display buffer 14a and the lower display buffer 14b is sent to the MEMO memory 19b. and written to the address specified by the address counter 22.

As described above, without specifying the input mode using the mode key, it is possible to manually operate the numeric keys, character keys, etc. without specifying the input mode using the mode key.

[Effects of the Invention] As detailed above, according to the present invention, in the data input method of a small electronic calculator equipped with a plurality of display sections for different display purposes, when a key operation is performed, the display section at that time Since the input mode is automatically selected and specified by determining the display mode and type of operation key, there is no need to specify the input mode using the mode key. The process can be carried out correctly, and a very large practical effect can be obtained.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a block diagram showing a circuit configuration; FIG. 2 is a diagram showing key operations, displays corresponding to the key operations, and setting states of various flags;
Figure 3 (a) to (C) are rACJ-1-1, r-position J-1
--1rMEMOJ*- is a flowchart showing processing operations when operated. FIG. 4 is a flowchart showing processing operations for various operation keys. 11... Key input section, 12... Key discrimination circuit, 13
...control section, 14...display buffer, 14a...
- Upper display buffer, 14b...lower display buffer, 15...RAM. 16...Pass line, 17...Flag judgment section, 18
... Arithmetic unit, 19... Data memory, 20... Gate circuit, 21... Display section, 21a... Upper display section, 21b... Lower display section 21b, 22... Address counter . Applicant's agent Patent attorney Takehiko Suzue Figure 3 (a) (b) (C')

Claims (1)

[Claims] In the data input method of a small electronic calculator equipped with multiple display sections for different display purposes, if a key input section is equipped with numeric keys, character keys, function keys, etc., and a key operation is performed on this key input section. , a means for determining the content of the operation key and selecting and specifying an input mode by referring to the setting mode for the plurality of display sections set at that time; 1. A data input method, comprising: means for performing input processing on a data input method.