JPS589432B2 - Cursor control device for document editing processing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to cursor control in a display device for document editing processing.

In the conventional cursor control method, the cursor mark is configured to be displayed in an area corresponding to one display character, and when attempting to erase or correct multiple consecutive characters, (1 ) A method of giving a cursor mark to each corresponding character, and (2) a method of giving a cursor mark to the first and last character of consecutive characters and specifying one processing method. Both had the disadvantage of poor operability for the operator.

The present invention was proposed in order to improve the above-mentioned drawbacks, and is characterized by having a function to extend or contract the cursor mark of a display device for document editing processing to an arbitrary length, and its purpose is to The purpose of the present invention is to enable processing specification for a target to be performed by inputting processing specification information once.

The present invention will now be described with reference to preferred embodiments.

FIG. 1 shows a block diagram of a cursor control device of the present invention.

In the figure, an information input device 1 is connected to a processing device 2,
The processing device 2 is connected to the kanji pattern generation section 3, as well as to the refresh memory 4 and the cursor control section 7.

The refresh memory 4 is also connected to a readout control section 5, the readout control section 5 is connected to a signal synthesis section 6, and the signal synthesis section 6 is connected to a display device 11.

The cursor control section 7 has a memory 8 for storing cursor position and a memory 9 for storing cursor length. The section 10 is connected to the readout control section 5 and the signal synthesis section 6.

Next, the operation of the device of the present invention will be explained.

(i) In the initial state, a signal input from the information input device 1 is read by the processing device 2, converted to a character pattern via the kanji pattern generation section 3, and read into the refresh memory 4.

(ii) By performing the above operation several times,
Document information as shown in is input.

(iii) φ is input to the cursor position memory of the cursor control unit 7, 1 is input to the cursor length memory, and the cursor mark is displayed at the position shown in FIG. 3a.

(IV) Next, the operation for deleting "in the same mode" from the document information shown in FIG. 3a will be described.

(v) Cursor movement instruction information (e.g. e, ■IO,
() using a key such as () is input from the information input device 1.

(vi) The processing device 2 reads the cursor movement instruction information and inputs this information to the cursor control section 7.

(vii) The cursor control unit 7 operates in the cursor position storage memory 8 according to the input cursor movement instruction information.
Change the contents of

(Vii) The cursor mark signal generation section 10 receives the contents of the cursor position storage memory 8 and the display position address signal from the readout control section.

When the contents of the cursor position storage memory match the display position address signal from the read control section 5, output of the cursor mark signal begins.

(X When the cursor mark signal is output for the length of the contents of the cursor length storage memory 9 (here, 1 is stored), the cursor mark signal is stopped.

In this way, a cursor mark is displayed on the display device 11.

(X) On the other hand, display information is read from the IJ fresh memory in accordance with the display timing from the read control unit 5.

(×1) This read display information and the above-mentioned cursor mark signal are combined by the signal combining section 6 and output to the display device 11.

(Xit) As mentioned above, by inputting cursor movement instruction information multiple times using the cursor movement instruction keys (for example, press the ■ key 3 times, press the e key 12 times), the above operation is sequentially repeated, and the The cursor mark is moved to the position shown in Figure 3b.

Next, the operation when operating the cursor expansion/contraction key will be explained.

(1) From the information input device 1, use the cursor expansion/contraction key (for example
, ■, etc.), input the cursor expansion key (for example, e).

(11) The processing device 2 reads the cursor expansion information and inputs the information to the cursor control unit 7.

(Music) The cursor control unit 7 counts up the contents of the cursor length storage memory 9 in accordance with the input cursor expansion information.

At this point the cursor mark is expanded and displayed.

1lv) The cursor mark signal generation section 10 receives the contents of the cursor position storage memory 8 and the display position address signal from the readout control section 5, and starts outputting a cursor mark signal when they match.

(■) Memory 9 for storing the counted up cursor length
When the length of the content is output, the force-sol mark signal is stopped.

In this way, the expanded cursor mark is displayed on the display device 11.

FIG. 2 is a block diagram of the cursor control unit 7 and cursor mark signal generation unit 10 shown in FIG. The decoder 31 is connected via a cursor control information input line 30 for cursor movement instructions and cursor expansion/contraction, and the decoder 31 and the cursor position storage memory 8 are connected via a cursor position signal line 32.
The output line of the memory 8 is connected to a cursor position comparator 33, and the cursor position comparator and the read control unit 5 are connected via a display position address signal line.

Further, the decoder 31 and the cursor length storage memory 9 are connected via an addition/subtraction instruction signal line 41 and an addition/subtraction clock line 42.

Further, the output line of the cursor length storage memory 9 is connected to a cursor length comparator 43.

The AND gates 45 and 38 are each connected to the readout control 5, and are also connected to the Q output line of the flip-flop 36, respectively.

The cursor length comparator 43 and flip-flop 36
is connected to via the cursor mark occlusion signal line 47,
The Q output line of flip-flop 36 is connected to counter 46.

The output line of the AND gate 45 is connected to the count 46,
The output line of the counter 46 is connected to a cursor length comparator 43.

The output line of the cursor position comparator 33 is connected to the flip-flop 36 via the address match signal line 35, and the input side of the AND gate 38 is connected to the cursor display line 39 from the read control unit 5 and the flip-flop 36. The cursor mark set signal line 37 is connected to the cursor mark set signal line 37, and the output side is connected to the cursor mark display signal line 40.

Next, the operation will be explained.

(i) Processing device 2 via cursor control information input line 30
When cursor movement instruction information is input from decoder 3
1, new cursor position information is output to the cursor position signal line 32, stored in the cursor position storage memory 8, and output from the cursor position storage memory 8 to the cursor position comparator 33.

([1) Display position address signal line 3 from readout control unit 35
When the sequential address signal is input to the cursor position comparator 33 via the cursor position comparator 33 and matches the information from the cursor position storage memory 8, the address match signal line 3
A pulse is output at 5, the 71J flip-flop 36 is set, and the cursor mark set signal line 37 becomes 1 level.

If the cursor display signal line 39, which is one input line of the AND gate 38, is at the 1st level, the cursor mark display signal line 40 becomes the 1st level, and the cursor mark starts to be displayed.

(ψ At the same time as the cursor mark starts to be displayed, the cursor mark set signal line 37 is at the 1 level, so the clock AND gate 45 is opened, and the clock on the clock input line 44 is transferred to the clock counter 4.
6 is input.

(V) The clock counter 46 is counted up, and the information is input to the cursor length comparator 43, compared with the contents of the cursor length storage memory 9, and counted up until they match.

(If the content of the cursor length memory 9 is 1, the clock counter 46 counts up when the first clock on the clock input line 44 is input after the clock AND gate 45 is opened. Then, the content becomes 1, and the cursor mark block signal line 47 becomes level 1 when compared with the cursor length comparator 43. The flip-flop 36 is reset, the cursor mark set signal line 37 is set to Q level, and the cursor mark block signal line 47 is set to the Q level. and gate 38
Due to this action, the cursor mark display signal line 40 becomes Q level and the display of the cursor mark ends.

(vii) At the same time, close the clock AND gate 45,
The clear signal line 48 goes to level 1 and clears the clock counter 46.

(v1ΦAs described above, when the display position address cyclically input via the display position address signal line 34 matches the contents of the cursor position storage memory 8, the display of the cursor mark starts, and the clock counter 46 The display of the cursor mark stops when the contents of the cursor mark match the contents of the cursor length storage memory.

That is, the cursor mark can be displayed over many lines until the cursor mark closure signal line 47 reaches the 1 level.

Furthermore, when cursor expansion/contraction information is input from the processing device 2 via the cursor control information input line 30, the content of the cursor length storage memory is decoded by the decoder 31 and sent to the adjustment instruction signal line 41. This can be achieved by outputting a level signal for instructing addition/subtraction, outputting a pulse for one clock to the addition/subtraction clock signal line 42, and adding/subtracting the contents of the cursor length storage memory.

Figure C in Figure 3 shows an example of the display when the expansion key is input five times.

Here, by inputting the deletion key, "in the same mode" is deleted.

If the cursor mark is extended from the state shown in FIG. 3C, the state shown in FIG. .

The above is an outline of the operation when erasing a character string using a cursor mark that can be expanded and contracted.

Note that this cursor mark can also be used for other editing processes depending on how the program in the processing device 2 is created.

Further, although the operation has been described here with the cursor mark generated by hardware, it can also be performed by writing the cursor mark in the refresh memory using program 1.

As explained above, according to the present invention, by providing the function of expanding and contracting the cursor mark to an arbitrary length, it is possible to specify a continuous character string as if it were a single character, so that processing specification in document editing processing is easy. Easy to do and has a vine effect.

[Brief explanation of drawings]

FIG. 1 is a block diagram of the device of the present invention, FIG. 2 shows a cursor control section and a cursor mark creation section, and FIG. 3 a to c
1 is a diagram illustrating the movement of a cursor when performing editing processing. DESCRIPTION OF SYMBOLS 1... Information input device, 2... Processing device, 3... Kanji pattern generation section, 4... Refresh memory, 5... Readout control section, 6... Signal synthesis section, 7... Cursor control section, 8...
...Memory for storing cursor position, 9...Memory for storing cursor length, 10...Cursor mark signal generation unit, 11...
Display device, 30... Cursor control information input line, 31...
Decoder, 32... Cursor position signal line, 33... Cursor position comparator, 34... Display position address signal line,
35...Address match signal line, 36...Flip-flop, 37...Cursor mark set signal line, 38...And gate for cursor mark output, 39...Cursor display signal line, 40...Power and cursor mark display signal line, 4
1...Adjustment instruction signal line, 42...Adjustment clock line, 4
3... Cursor length comparator, 44... Clock input line,
45...Clock AND gate, 46...Clock counter, 47...Cursor mark block signal line, 48...
...Clear signal line.

Claims (1)

[Claims] 1. an information input device, a processing device that stores refresh memory information based on the output from the information input device and provides a cursor control signal to a cursor control section, and a readout control section that reads out the contents of the refresh memory according to display timing. a cursor position memory that stores the cursor position based on the output from the cursor control unit; and a cursor that creates a cursor mark signal according to the output from the cursor position memory and the display timing from the read control unit. a mark signal creation section;
A cursor control comprising a character based on the output from the readout control section and the output from the cursor mark signal creation section, a signal synthesis section that provides a cursor to the character, and a display device that displays information from the signal synthesis section. In the device, a cursor length storage memory for storing information from the aforementioned Toichi sor control unit and specifying the cursor length is provided between the cursor control unit and the cursor mark signal generation unit, and a cursor length storage memory for storing the information from the information input device is provided between the cursor control unit and the cursor mark signal generation unit. A cursor control device for document editing processing, characterized in that the cursor is expanded or contracted to a desired cursor length by a signal that determines the length of the cursor.