JPS5839347B2 - Program control method for electronic cash register - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a program control system for electronic cash registers, and particularly for electronic cash registers in which the arrangement of numerical keys, function keys, etc. arranged on a keyboard can be freely changed. Regarding program control method.

FIG. 1 is a perspective view of an ECR that forms the background of this invention and to which this invention is applied.

The general operation of the conventional ECR will be explained below with reference to FIG.

First, operate the mode changeover switch 21 to turn on the power and set the registration mode.

When registering product registration information based on the single item price data and department code for a certain product, enter the single item price data by operating the numeric keys 22, and then use the department key 23 to input the single item price data.
to enter the department code.

This operation is repeated to input the individual item registration information of the product purchased by the customer.

At this time, the single item price data and department code are displayed on the display 11.
is displayed and printed by the puller 12.

After repeating this operation and inputting all the product registration information, the calculation key 24 is operated to perform calculation.

By the way, recently, microcomputers and the like have been used as arithmetic units for such ECR10s.

Usually, the functions are controlled by a program.

Furthermore, with the use of microcomputers, various functions have been added as calculation functions, and along with this, the types and number of function keys consisting of the department key 23 and calculation key 24 have increased, and the key operation sequence itself has become more complex. be.

On the other hand, in supermarkets, shops, and the like where ECRs 10 are installed, there is a demand for ECRs that are easier to operate and allow for faster input of product registration information.

Additionally, some stores may require an ECR without unnecessary function keys because they only carry a small number of products.

However, the ECR10 had a problem in that most of its functions and switches were fixed due to mass production issues, and for example, the arrangement of function switches could not be easily disguised.

There is also a demand for an ECR in which, for example, single item price data and department code can be entered by simply operating the calculation keys 24, thereby inputting single item registration information with fewer operations.

Therefore, the main object of this invention is to provide an ECR program control system that can satisfy the above-mentioned needs, easily change the arrangement of numerical keys, function keys, etc., and has easy key operations. .

To summarize, the present invention provides a code information storage means for storing key identification information derived when a key switch of a keyboard including a plurality of key switches each having different key identification information as code information; Mode switching means for switching between a preset mode for presetting information and a registration mode for inputting product registration information; and a program storage means for storing a plurality of programs for executing predetermined operations based on each code information. and in a state in which the mode switching means is switched to the preset mode, input key identification information by operating any one of the plurality of key switches, and inputting key identification information from any one of the plurality of key switches. The key identification information input from the key switch by operating the key switch is stored in the code information storage means as code information corresponding to the key switch.

When the key switch is operated with the mode switching means switched to the registration mode, the code information is read from the storage area corresponding to the key switch of the code information storage means, and the program storage means reads out the code information from the storage area corresponding to the key switch in the code information storage means. The program is stored in the L.L. program and is read out and executed.

The present invention will be specifically described below along with embodiments shown in the drawings.

FIG. 2 is a key arrangement diagram of a keyboard used in an embodiment of the present invention.

The keyboard 20 shown here has a mode changeover switch 21.
The keyboard 20 is the same as the keyboard 20 shown in FIG. 1, except that a preset mode (P) is provided.

The mode changeover switch 21 can be set to power off (OFF mode), preset mode (P), registration mode (8), inspection mode (3), and payment mode (Z) by inserting the key into the keyhole and turning it. can be set respectively.

Further, when each key switch included in the numerical key 22, department key 23, and calculation key 24 is pressed, unique key identification information is derived from a key identification information generation circuit 30, which will be described later.

FIG. 3 is a schematic block diagram of an ECR according to an embodiment of the present invention.

In the figure, an input signal from the keyboard 20 shown in FIG. 2 is applied to a key identification information generation circuit 30 to generate key identification information.

This key identification information generation circuit 30 is configured by, for example, a read-only memory (hereinafter referred to as ROM).

Then, press the "0" key to "9" of the numerical keys 20, "・
” When the key is operated, the key identification information “0” to “10”
” is derived, and the key switch 1 or 1 of the department key 23 is
When operating 2, the key identification information “11” or “22”
is derived, and the key switches 13 to 2 of the calculation key 24
When operating 0, key identification information “23” to “30”
is derived.

The key identification information from the key identification information generation circuit 30 is given to the CPU 50 as a central processing unit.

Further, a ROM 60 as a program storage means in which a program for operating the ECR 10 is set in conjunction with the CPU 50, and a random access memory (hereinafter referred to as RAM) 40 including a storage area as a code information storage means are provided.

Further, in relation to the CPU 50, a display 11 and a printer 1 are provided.
2 are provided.

FIG. 4 is a diagram schematically showing a part of the storage area of the RAM 40 shown in FIG. 3.

In the figure, storage areas 401 to 420 are department key 2
3 and operation keys 24, and includes four storage areas a to d, respectively.

Arbitrary code information representing the functions of each of the key switches 1 to 200 is set and stored in these storage areas 401 to 420.

The storage areas 40a to 40d are key buffers that temporarily store key identification information input from the key switches 1 to 20.

Further, the table address 40f specifies the address of the function tables 401 to 431.

FIG. 5 is a flowchart for explaining the specific operation of one embodiment of the present invention.

Next, the specific operation of one embodiment of the present invention will be described with reference to FIGS. 2 to 5.

In this embodiment, in order to provide each key switch 1 to 20 with functions 1 to 30, code information of 1 to 3 is set to each key switch 1 to 20 based on the key identification information derived from the numerical key 22. It shall be.

As an example, when the key switch 20 is operated, a function is provided so that unit price data of 50 yen and department code 1 can be input.

First, the operator sets the mode changeover switch 21 to the preset mode.

Then, in order to input the first numerical value "5" of the unit price amount data "50", the numerical key 220rOJ key and the "5" key are sequentially operated.

On the other hand, the CPU 50 constantly determines whether there is a key input signal from the keyboard 20 via the key identification information generation circuit 30.

If there is manual key power, it is determined whether the mode changeover switch 21 is set to the preset mode.

In the preset mode, the numeric key 22 also presses the key switch 1 to preset the input key identification information.
to 20 are being operated.

If none of the key switches 1 to 20 are operated, the code information "05" entered from the numeric key 22
" is stored in the key buffer 40a and returns to the initial state.

Next, when the operator operates the "0" key of the numeric key 22 twice, the key buffer 40 is
Code information "Oo" is stored in b.

Furthermore, in order to input department code 1, numeric key 22
Operate the "O" and "1" keys.

As a result, the code information "01" of the department code l is stored in the key buffer 40c.

Next, the operator operates the key switch 20 in order to preset the unit price amount data 50 and department code l stored in the key buffers 40a to 40c as code information of the key switch 20.

Accordingly, the CPU 50 determines that the preset key, that is, the key switch 20 has been operated in the "preset key" determination step described above.

At this time, when the key switch 20 is operated, the unique key identification information 30 of this key switch 20 is stored in the key buffer 40d.

The CPU 50 then uses the key buffers 40a to 40d.
The code information stored in the key buffers 40a to 40c is transferred as a function code to the function table corresponding to the key identification information stored in the last area of the key buffer 40d, that is, the areas 420a to C corresponding to the key switch 20. Store.

Next, if the user wishes to simply use the key switch 1 as a department key for inputting the department code 1, the "0" and "l" keys of the numerical keys 22 are operated to input the department code 1.

Next, operate key switch 1.

Thereby, the key buffer 4 is
Code information "01" is stored in 0a, and code information "11" specifying key switch 1 is stored in key buffer 40b.

Then, the CPU 50 stores roOJ in the remaining area of the key buffer 40.

The code information stored in the key buffers 40a and 40b is stored as a function code in areas a and b of the function table 401.

In this way, a function code corresponding to a unique function is set for each of the key switches 1 to 20.

That is, if the key switch 19 is used as a total key, for example, the function code "
101, and if the key switch 18 is used as a subtotal key, for example, set the function code "11" as the subtotal key, and if the key switch 17 is used as a discount key, set the function code "12" as the discount key. do.

Next, a description will be given of the operation in the case where each of the key switches 1 to 20 is provided with a function and a product registration process is performed as described above.

First, the mode changeover switch 21 is set to registration mode 4.

Then, the key switch 20 is operated.

In response, the CPU 50 determines that it is not the preset mode, and sets the key identification information "3" of the operated key switch 20.
0'' is stored in the table address register 40f.

Thereby, the CPU 50 reads the function code ro11 as the department code 1 stored in the function table 420a addressed by the table address register 40f.

Then, it is determined whether the function code is "00" or not, and if it is "00", it returns to the initial state.

If it is set to "00", processing for that function code will be performed.

That is, 10 department-specific storage areas (not shown) in the RAM 400 are specified.

Then, the address of the table address register 40f is incremented to designate the function table 420b.

As a result, the function code "05" as the first numerical value 5 of the unit price data "50" stored in the function table 420b is read out, and the department l
Stored in departmental storage area.

Similarly, the function code "00" stored in the function table 420c is subsequently stored in the departmental storage area.

In this way, unit price data 50 is stored in the department storage area of department l.

Further, when inputting a department code and unit price data by operating the numerical keys 22 and the department key 23, this is done in the same manner as in the conventional ECR.

Finally, when performing total processing, key switch 19
operate.

This results in the totalization of that customer stored in the RAM 400 itemizer (not shown).

Since these operations are similar to those of the conventional ECR, their explanation will be omitted.

In the above-described embodiment, desired code information from the numeric keys 22 is set to the key switches 1 to 20, but the code information of the numeric keys 22 itself may be variably set.

In this case, a function key corresponding to the numerical key 22 is provided in the RAM 40, and the "1" key is set to the numerical value "9".
If you want to use it as a function code, operate the ``0'' key and the ``9'' key, then operate the ``1'' key to store ``09'' as the function code in the function table corresponding to the ``1'' key.

In the embodiment described above, it is possible to provide multiple functions to one key switch, so the number of key operations can be reduced when registering a product with a large sales volume, and the efficiency of the registration process is improved. can be increased.

As described above, according to the present invention, the code information of each key switch can be variably set, so even if the arrangement of each key switch is changed, a corresponding program can be executed.

Therefore, key switches that are frequently operated can be arranged at positions where they can be easily operated, improving operability for the operator.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an ECR that forms the background of the present invention and to which an embodiment of the present invention is applied. FIG. 2 is a key arrangement diagram of a keyboard used in an embodiment of the present invention. FIG. 3 is a schematic block diagram of an ECH according to an embodiment of the present invention. FIG. 4 is a diagram schematically showing a part of the storage area of the RAM shown in FIG. 3. FIG. 5 is a flowchart for explaining the specific operation of one embodiment of the present invention. In the figure, 20 is a keyboard, 21 is a mode changeover switch, 22 is a numerical key, 23 is a department key, 24 is a calculation key, 1 to 20 are key switches, 30 is a key identification information generation circuit, 40 is a random access memory, and 50 is a CPU
, 60 indicates a read-only memory.

Claims (1)

[Scope of Claims] 1. A keyboard including a plurality of key switches and for inputting product registration information manually based on each key switch; key identification information corresponding to each key switch according to the key input from the keyboard; key identification information generation means for generating key identification information, which includes a storage area corresponding to the plurality of key switches, and generates key identification information from the key identification information generation means in accordance with the key force of each key switch; code information storage means for storing arbitrary code information representing the function of each key switch; a preset mode for setting and storing code information in the code information storage means; and inputting product registration information from the keyboard. and a program storage means for storing programs for a plurality of different functions for executing predetermined operations for each key switch based on the code information, When the mode switching means is switched to the preset mode, key identification information of the key switch is input from the key identification information generating means in response to the operation of any one of the plurality of key switches, and the key identification information of the key switch is inputted from the key identification information generating means; Operating one of the plurality of key switches and storing key identification information corresponding to the input of the key switch as code information corresponding to the key switch in the code information storage means. in a state where the mode switching means is switched to a registration mode, the code information is read out from the storage area of the code information storage means corresponding to the key switch by operating the key switch, and the code information is read out from the storage area corresponding to the key switch of the code information storage means, and A program control method for an electronic cash register, wherein a program stored in the program storage means is read out and executed. 2. The plurality of key switches constitute a numeric key and a plurality of function keys, each of the plurality of function keys is determined to have a plurality of functions, and the key identification information generating means is configured to perform a plurality of function keys. The code information storage means generates code information corresponding to each of the keys, and the code information storage means includes a plurality of storage areas for each function key, and when the mode switching means is switched to a preset mode, the code information is stored in the preset mode. A plurality of key identification information is output from the key identification information generation means by operating a key, and in response to the operation of the function key, the plurality of key identification information is converted into the plurality of code information of the function key. stored in the storage areas corresponding to the function keys of the code information storage means, and in response to operating the function keys while the mode switching means is switched to the registration mode.
Code information representing the specific functions is sequentially read out from a plurality of storage areas corresponding to the function keys of the code information storage means, and programs for different functions stored in the program storage means are sequentially read out based on the code information. A program control method for an electronic cash register according to claim 1, wherein the electronic cash register is read and executed.