JPS59149528A - Automatic supply mechanism of input line - Google Patents

Abstract

PURPOSE:To realize automatic buffering to a key input buffer by extracting the input line images out of a memory part in a prescribed order and supplying them to a key input buffer every time an interruption of key input request is delivered from a host device. CONSTITUTION:When an interruption of line input request is given from a CPU, an extracting part 70 checks the contents of a character number part stored in the address position of an RAM30 shown by a pointer register 50. When the contents show no zero, the part 70 extracts the contents of the corresponding input line out of the RAM30 in accordance with the corresponding character number and transfers the contents to a key input buffer 60. Then the part 70 replaces the contents of the register 50 as so to show a character number part of the next input line image. Then the part 70 sends an answer interruption showing that the key input data is prepared back to the CPU and waits for the next interruption of line input request.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a data input terminal, and more particularly to an automatic input line supply mechanism for supplying input lines +mth order in response to a request from a host device.

[Technical background of the invention and its problems]

Generally, data input from a data input terminal is performed by operating each key corresponding to the input string in sequence, or by defining a specific character string for a function key and operating that function key. Ta. This operation is the same even when the input response pattern from the terminal to the request from the host device is fixed. Therefore, each time an operator turns on a computer and loads a program, the operator must perform the same key operations each time to load the same data in order to set the parameters of the program in response to a request from the host device (CPU). I had to enter it many times.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and its purpose is to:
To provide an automatic input line supply mechanism capable of automatically panferring a predefined input line image to a key manual buffer every time an interruption of a key manual request from a host device occurs.

[Summary of the invention]

The present invention provides a data input terminal equipped with a key human power buffer, which is provided with a storage section in which a plurality of predefined input line images are stored, and which is configured to store a plurality of predefined input line images each time an interrupt of a key human power request from a host device occurs. 1. By extracting the input row images from the storage section in a predetermined order and supplying them to the key manual buffer, it is possible to enter the next few rows of data by manually operating the keys on the keyboard of the data input terminal. It is designed so that you can replace what you are doing.

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. The figure shows the structure of the automatic input line supply mechanism, and 10 is a keyboard. The keyboard 10 has various keys including a start key 11 for starting a process. 20 is a secondary storage in which a plurality of predefined input row images are stored, for example a floppy disk device (a magnetic disk device, etc.); 30 is a storage section in which the plurality of input row images are stored, for example a RAM; be. 40 is Keepo・
- The plurality of input line images stored in the floppy disk device 20 (specific tracks of the floppy disk set in the floppy disk device 20) are transferred to RAM, ? in response to the operation of the start key 11 on the board 10. 50 is a pointer register indicating the input line currently being processed; 60 is a key manual buffer; and 70 is an input line image. This is a take-out part (hereinafter simply referred to as a take-out part).

The retrieval unit 70 is configured to extract data from the RAM in response to a key manual request interrupt (line input request interrupt) from a CPU (superior device) not shown.
The input row image on 30 is fed to a key manual buffer 60.

Next, the operation of one embodiment of the present invention will be explained with reference to the flowchart of FIG. Now, start key 1 on keyboard 10
1 is assumed to be a key operation. The expansion unit 40 starts operating when it detects that the activation key 1 has been operated, and reads out a plurality of predefined input line images from a specific track of a floppy disk set in the floppy disk device 20. And the expansion part 4θ is this read data'! /RAMJθ is stored in an area starting from a specific address. The RAM 30 in FIG. 1 shows this state (input line image storage state), and as is clear from the figure, in this embodiment, each input line image is provided with information indicating the number of characters in the corresponding input line as header information (this The information part is called the character number part).

RA from the floppy disk device 20 by the expansion unit 40
When the reading of the input row image into the MJO is completed, the extraction unit 70 is activated.

As shown in the flowchart of FIG. 2, the collection unit 70 first initializes the pointer register 50 (
Step S1). This is RAM in pointer register 50.
This can be done by setting the above specific address of 30.

Then, the extractor 70 waits for a line input request interrupt from the CPU (step 82). However, when there is a line input request interrupt from the CPU, the fetching unit 70 points to the pointer register 5.
The character stored in the address position of RAM 30 indicated by 0! The contents of the text section (the number of characters in the input line) are checked (step 83).

If the number of characters is not O, the extraction unit 70 retrieves the contents of the corresponding input line (input line image) from iRAM according to the number of characters.
: to and transferred to the key manual buffer 60 (step S4). Next, the retrieval unit 70 updates the contents of the pointer register 50 to indicate the number of characters of the next input line image (step Bs), and then returns a response interrupt to the CPU indicating that the key manual data has been prepared. Step s6). The retrieval unit 2° then returns to step s2 and waits for the next ii input request interrupt.

When the CPU receives a response interrupt from the collection unit 20,
The key manual data (input line image #) prepared in the key manual buffer 60 is taken in.

Then, use this captured data to perform the necessary operations 314!
When this is done, the CPU issues a human power request interrupt to the extraction unit 70 again. The extractor 70 performs the operation described above again. This operation is repeated three times, and the contents of the character number section indicated by the pointer register 50 (the number of characters in the input line) are
It is assumed that the extraction unit 70 detects that is O in step S3. This indicates that 14 lines have been extracted for all the input lines previously set, and the take-out unit 70 returns the last line to the CPU (step 'S7).

In this manner, the sixth embodiment can provide the mantissa and answer pattern to the CPU with just one key operation. Therefore, auctioning can save labor in routine tasks that require loading programs every day.

Furthermore, by adding a means to replace the one-time key operation described above, the system can be applied to automatic military reporting.

Incidentally, the expansion section 40 and the extraction section 70 in the above embodiment can be realized by, for example, a micro 10 setter. Furthermore, in the embodiment described above, the input line image is stored in advance in a secondary storage such as a floppy disk device, and is loaded into the RAM by the expansion section, but the input line image is fixedly stored in the R
It is also possible to use an OM and have the ROM circular sound direct extraction section read it. In this case, there is no need for a deploying unit or a starting key for starting the deploying unit, and the application to the above-described system self-excited operation becomes easier.

〔Effect of the invention〕

As described in detail above, according to the present invention, a predefined input line image can be automatically supplied each time an interruption of a key manual request from a host device occurs.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG.
Figure 1 is a flowchart for explaining the operation. ), 60... key person Kapatusoa, 70...
Input line image extractor.

Claims (3)

[Claims] (1) In a data input terminal equipped with a key person capuffer, there is a storage section in which a plurality of predefined input line images are stored, and a storage section where interrupts for key human power requests from the host device occur. and means for extracting the input line images in a predetermined order and supplying them to the key cover sofa. (2) The input line automatic supply Pa mechanism according to claim 1, wherein the storage section is a ROM. (3) The storage unit is a RAM that stores the plurality of input line images read out from secondary storage in response to key operations of specific keys on a keyboard. Automatic input line feeding mechanism.