JPS58103023A - Field input system for display terminal - Google Patents

Abstract

PURPOSE:To input data easily and quickly and prevent erroneous input, by providing a setting part of shift designation information in the definition part of every field of a field definition table. CONSTITUTION:In a field FD definition table DEDT 103 stored in the program area of a main memory 102, the number of FDs in one-picture components, the FD position of every FD, the FD length of every FD, FD attributes of every FD, etc. are defined, and shift designation information designating a key shift position is set in attributes. Before the input/output processing, a CPU101 reads out one-picture components of information from the DFDT103 and transfers them to a keyboard KB/CRT controller CTL106, and this information is stored in an RAM108. When the CTL106 receives an FD input request from the CPU, the CTL106 refers to shift designation information from the RAM108 to determine an FD input position, a shift state at the FD input start time, etc. and transmits a lamp drive signal of a shift key to a keyboard KB105 to report the shift set to the shift key to the operator. Thus, the key operation is performed easily and quickly.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a field input method in a display terminal having a multi-stage shift type keyboard.

Technical Background of the Invention In a display terminal, a field definition table for one screen sent from a higher-level processing device is stored in an internal storage unit, and key manual control and key operations are performed while sequentially interpreting definition information for each field in the table. By providing a display control function, the burden of input/display control on the host processing device can be removed, and the processing efficiency of the entire system can be improved. In conventional multi-stage shift keyed display terminals with such functions, the validity of input data is checked using the data type defined for each field in the field definition table, and the validity of input data is checked using the data type defined for each field in the field definition table. Data other than character types can be passed to the upper processing device, but the shift specification when inputting data is left to the operator. Therefore, in the past, when inputting data for each field, the operator had to operate the shift key and then perform the data input key operation, making the data input work complicated.

Purpose of the Invention The present invention provides a display terminal with a multi-stage shift type keyboard, which eliminates the operator's shift key operation when inputting data in each field, simplifies and speeds up the data input work, and prevents erroneous input. The purpose of the present invention is to provide a field input method for display terminals that allows users to perform the following tasks.

Summary of the Invention The present invention sets in advance shift specification information in addition to definition information such as data type and editing format as field attributes in the definition section of each field that constitutes a field definition table. At the time of input, the shift designation information set in the definition section of the corresponding field in the field definition table is referred to, and the shift state at the time of field data input is automatically set.

Embodiment of the Invention The diagram shows an embodiment of the present invention, and 101 is an arithmetic and control unit (hereinafter referred to as CPU) that controls the entire system;
102 is a main memory.

Reference numeral 103 denotes a field definition table (DFDT) that is stored in the program storage area in the main memory 102 and is the object of the present invention. This field definition table 1
03 defines the number of fields for one screen in the table, field position, field length, field attributes, etc. for each field, and furthermore, as the field attributes, data type (character type definition) and editing format ( In addition to definitions such as right alignment, left alignment, zero repeats, etc., shift specification information is set that specifies the key shift position (alphanumeric characters, English symbols, kana, kana symbols, hiragana, kana-kanji, proper nouns, etc.). The definition information block for each field described above is hereinafter referred to as a field definition section. 104 is a CRT display section of the display terminal, and 106 is a multi-stage shift type key gate section. The key gate section 105 is provided with a plurality of lamp-embedded shift keys for specifying key shift positions. 106 is a microprocessor-configured display terminal controller (hereinafter referred to as KB/CRT-) that performs display control of the CRT display section 104 and manual key control of the keyboard section 105 under the control of the CPU 101.
107 and IOR are KB/
CRT-CTL lo e is equipped with 10
7Fi display memory (REF-M), 108ncPU
Field defined IA f-pull 10 transferred from 101
3 (hereinafter referred to as DFDT-RAM)
It is.

Here, the operation in one embodiment will be explained.

CPU 101 Fi display terminal (1o4, 1o
Prior to the input/output processing in step 5), the field definition table 103 for one screen stored in the main memory 102 is read out and transferred to the KB/CRT-CTL 106. CPU
This field definition table 1 transferred from J01
．． 04 is DFDT in KB/CRT-CTLJ o s
- stored in RAM 208; After that, KB/CtL
When the T-CTL 106 receives a shift field input request from the CPU 101, the T-CTL 106 refers to each definition information and shift specification information of the corresponding field definition section in the field definition table 103 stored in the DFDT-RAM 10B. The field input position and the shift state at the start of field input are determined, and the key input from the operator is awaited.

At this time, the KB/CRT-CTLJ 06 transmits the lamp drive signal of the corresponding shift key to the key gate section 10 based on the shift specification information set in the field definition section.
5 and drives the ramp degree unique to that shift key to notify the operator that a shift setting has been made. When the operator operates a key to input data, the key position information is sent from the key date section 105 to the KB/CRT-CTLIoe. K B
/C1 (T - When CTl2O3 receives the key position information from the key position part 105, it generates a code according to that information and the shift specification information in the field definition part, and then changes it to the data type in the field definition part. After checking whether this code information is of a predefined character type, it is transferred to the CPU 6-10.In this way, data input operations for each field are executed sequentially. Therefore, the operator does not need to operate the shift key when inputting data for each field, but only needs to operate the data key to be input.This makes data entry easier and faster. It is possible to prevent input errors caused by operations.

Note that the automatic shift setting based on the shift designation information in the field definition table 103 is not limited to one shift setting for one field, and may be configured to allow shift setting for the number of aircraft.

Effects of the Invention According to the field input method in the display terminal of the present invention, it is possible to omit the operation of the shift key when inputting data in each field, and thereby the data input work can be performed easily and quickly. At the same time, it is possible to prevent erroneous input due to erroneous shift key operation.

[Brief explanation of the drawing]

The figure is a block diagram showing one embodiment of the present invention. 10... Arithmetic control unit (CPU), 102... Main memory, 103... Field definition table (DFD)
T), 104...CRT display section, ios...keyboard section, 106...display terminal controller (
KB/CRT-CTL), 108 =・74 l
b) Memory for storing 'definition table (DF'DT-t
RAM).

Claims (1)

[Claims] A display terminal that stores the contents of a field definition table sent from a host device in an internal storage device, and performs key manual control and display control for each field while sequentially interpreting the contents of the definition section for each field in the table. 1. A field input method in a display terminal, characterized in that a definition section for each field of the field definition table is provided with a shift specification information setting section.