JPS63113616A - Data entry device - Google Patents

Abstract

PURPOSE:To absorb the difference of a code system in use by an operator's instruction by deciding the kind of entry data according to the contents that a switching means indicates and converting and outputting it to a memory. CONSTITUTION:When a key on a keyboard unit 1 is pressed, a system program reads in the state of a key switch mounted on the keyboard unit 1 to decide whether the code which is used currently is a JIS code or an EBCDIC code. When the state of the JIS code is judged, it is converted by the system program and inputted to a main memory 7 and when the state of the EBCDIC code is judged, the code is converted by a JIS.EBCDIC code conversion table into the EBCDIC code, which is stored. Consequently, the single device hand handles plural kinds of code systems and provides the best man-machine interface for a user.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a data entry device that handles multiple types of key codes in a single device.

(Conventional technology) For Kanji data entry devices, alphanumeric characters.

JIS code or EBCD to process kana characters
Two types of IC codes are used. In order to be able to use these two types of codes in a single device, conventionally, JIS
This was achieved by loading the program from a system floppy containing a system program for code processing or a system floppy containing a system program for processing EBCD r C code. In other words, J
When using IS code, use the system program for JIS code, and when using EBCDIC code, use E
I had to use the system program for BCDIC codes.

(Problem to be Solved by the Invention) Therefore, if the first floppy disk for data entry uses JIS code, and the second floppy disk attempts to use EBCDIC code, etc. When using different codes, it is necessary to load the floppy disk each time, which has the disadvantage of poor operability. Furthermore, in this case, JIS code is normally used for one floppy disk, and some of the floppy disks cannot be handled using EBCDIC code.

The present invention has been made in view of the above-mentioned drawbacks, and it is an object of the present invention to provide a data entry device that allows differences in the code systems used to be absorbed by operator instructions and provides an optimal man-machine interface to the user. purpose.

[Structure of the Invention (Means for Solving Problems)] The present invention internally determines the type of entry data by the user instructing the type of code system to be used using a switch or keyboard, and inputs the data as it is or The configuration is such that the newly prepared code conversion table is referred to and converted and output to the memory.

(Operation) In the above configuration, when entry data is input from the keyboard, a key code of a code system depending on the hardware is input. Then, the system program determines the type of code used by the key switch,
In the case of the above-mentioned code system, the contents are stored as they are; on the other hand, in the case of a different code system, the converted output contents are stored in the memory with reference to the code conversion table. This allows multiple types of code systems to be used with a single device, and the user is freed from the hassle of replacing system floppies, thereby providing an optimal man-machine interface.

(Example) Hereinafter, an example of the present invention will be described in detail using the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, 1 is a keyboard unit (KB), 2 is a CRT
Display (CRT), 3 is KB controller, 4
is the FD (floppy disk) controller, 5 is the CR
T controller, 6 is a CPU, 7 is a main memory, 8 is a display memory (V-RAM), 9 is a font ROM in which character fonts are stored, and these blocks constitute the hardware of the data entry device. . Reference numeral 10 denotes a floppy disk (hereinafter referred to as system floppy) in which a system block is stored, and with this disk it is possible to handle both JIS code and EBCDIC code. The conversion table between codes is stored in the floppy disk 10, and is loaded into the main memory 7 and used when necessary.

In the conventional example, a system floppy is prepared for each code to be used, and the system floppy is converted each time the code to be used is changed.However, in the embodiment of the present invention, one keyboard unit 1 has a system floppy as shown in FIG. A key switch is provided, and the code to be used can be changed by switching the key switch.

FIG. 3 conceptually shows the operation of the embodiment of the present invention, specifically how alphanumeric character codes change.

Hereinafter, the operation of the embodiment of the present invention will be explained in detail. First, the power is turned on and the system program is loaded into the main memory 7. This system program is
It can handle both IS code and EBCDIC code.

If the hardware is configured to process JIS codes, the system program contains EBCDIC.
Jl5-E for converting code to JIS code
Built-in BCDIC conversion table, as well as EBCDI
If designed for processing C code, EB
A CDIC-JIS code conversion table is built-in. In the embodiment of the present invention, it is assumed that the hardware is designed for processing JIS codes. When a key is pressed from the keyboard unit 1, the system program reads the status of the key switch installed on the keyboard unit 1 as shown in Figure 2, and determines the currently used code as the JIS code. It is determined whether it is an EBCD IC code or an EBCD IC code. J
If it is determined that the IS code status (hereinafter referred to as JIS mode) is entered into the main memory 7 converted by the system program and the EBCDIC:7-code status (hereinafter referred to as EB
CDIC mode), the system program converts it to EBCDIC code using the JIS-EBCDIC code conversion table.
input and stored.

Figure 2 shows an example of a key switch installed on the keyboard unit. When the switch is tilted toward the JIS side, it indicates that the code to be used is the JIS code, and the EBCDIC If the switch is lying on the side, it indicates that the code to be used is the ESCDrC code.

How the code changes will be explained using FIG.

When a key 31 is input via the keyboard unit 1, a JIS code 32 is first given.

After this, in the system program, the current state is determined by the key switch, and in the case of JIS mode 34, it is input to the memory as it is, and in the case of EBCDIC mode 35, it is converted to EBCDIC code 37 by the JIS-EBCD IC code conversion 36. After being converted into memory 38
is input to.

Note that it is also possible to use a specific key on the keyboard unit 1 instead of the above-mentioned switch.

Further, the present invention is not limited to JIS codes and EBCDIC codes, and the same method can be applied to other types of codes.

[Effects of the Invention] As explained above, according to the present invention, a single device can handle multiple types of code systems, and an optimal man-machine interface can be provided to the user.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing an example of a key switch for code switching provided on a keyboard unit, and Fig. 3 is a conceptual diagram showing the operation of the embodiment of the present invention. FIG. 1...key; t'-to unit (KB), 2...C
RT display (CRT), 6...CPU, 7.
...Main memory, 10...Floppy disk (FDD)
).

Claims (1)

[Claims] A data entry device that inputs data using at least two key codes with different code systems includes a switching means for externally instructing the type of code to be used, and a switching means for instructing the type of entry data according to the content indicated by the switching means. 1. A data entry device comprising: a control means for determining and converting and outputting to a memory as is or by referring to a conversion table between codes added internally.