JPS6132173A - Character processor - Google Patents

Abstract

PURPOSE:To prevent mis-operation by detecting whether or not an external expanding memory is loaded in generating or editing a text. CONSTITUTION:When a card memory CARD baing an external memory is not loaded to an interface section IF and key operation designating the stary of generation and edition of the text is executed, it is informed to the operator and a display sectin DIS hasm e.g., ''NEW/STORED?'' as the display. When the operator depresses a key [N], a text memory TEX is all cleared to generate the text newly and the test forming mode is set. Further, when the card memory CARD is loaded to the interface section IF and the text data is stored in said memory and the key designating the generation and edition of the text is depressed, the display section DIS has, e.g., ''NEW/STORED/LOAD?'' as the display and it is informed to the operator.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to character processing devices such as electronic typewriters and word processors that are equipped with a text memory for storing typed text data, and in particular to a removable external expansion device. In addition to being equipped with a memory, this external wave L
This improves operability by making it possible to detect whether the harpoon is attached or detached.

[Prior art]

2. Description of the Related Art Conventionally, electronic typewriters are known which have a text memory that can store typed documents and can print out the stored contents, for example, character by character or word by word. In order to improve the operability of such electronic devices, removable external expansion memory is provided, and information can be transferred between this external expansion memory and text memory. It is possible that

However, when the external expansion memory is not installed in the main body of the device, there are inconveniences such as the inability to transfer information, and the operator cannot easily grasp the status, resulting in poor operability. Improvement is desired.

〔the purpose〕

SUMMARY OF THE INVENTION In view of the above-mentioned points, it is an object of the present invention, in a character processing device equipped with a text editing function, to specify the start or end of text when creating or editing text. By displaying a menu message depending on whether the device is attached or detached, and by pressing the specified key required by the menu message, each function displayed as a menu message can be easily selected, improving operability. The object of the present invention is to provide a character processing device that has the following characteristics.

That is, the present invention includes a device body having a text memory for storing typed text data, and an external memory that is detachable from the device body and capable of transferring information between the device body and the text memory. It is something. Then, when creating or editing text, if you specify open ftj3 or end, it will detect whether or not external memory is installed in the main body of the device, and if it is detected that external memory is installed, the text memory and It displays that text data can be exchanged with external memory, and if it is detected that it is not installed, it displays that the exchange is not possible. .

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a pull diagram showing an example of a schematic configuration of the present invention.

Here, KB is written on the keyboard, and is the letter A.
Nz1 An alphanumeric key AN1 consisting of numbers 0 to 9 and a return key (RETURN) are arranged. Furthermore, the keyboard KB includes an edit key (EDI) that instructs to start creating or editing text according to the present invention.
T), and an end key (END) for instructing the end of text creation or editing.

The CPU is a central processing unit in the form of a microprocessor, and is configured, for example, in the form of a sequential control circuit having a clock pulse generation circuit, a delay circuit, a gate circuit, and other logic circuits.

PRT is a printing device like a serial printer, which manually inputs keys from keyboard KB and prints letters and numbers corresponding to each key input on printing paper under the control of print control signal 0PRT from central processing unit CPtJ. Print.

The DIS is a display device such as a dot matrix type liquid crystal display, and under the control of the display control signal CDl5 from the central processing unit C1PU, the corresponding letters and numbers are displayed by manually pressing keys from the keyboard KB. do.

ROM is a read-only memory, and the central processing unit CPU
A group of microinstructions necessary for sequentially notifying the central processing unit CPU of control procedures as shown in FIGS. 3 and 4, for example, when the controller supplies control signals to each device such as the printing device PRT and the display device DIS. Let me remember it.

RAM is a random access memory that can be read and written.
It has an area for storing the operating status of each device, and also has storage areas such as a display data memory DISP for storing display data to be displayed on the display device DIS, and a text memory TEX for storing character strings input from the keyboard KB. . Further, the random access memory RAM has storage areas for various pointers, registers, flags, etc., as will be described later.

IF is an interface part to which the file memory card CARD as external expansion memory is electrically connected, and includes an address terminal, a chip select terminal, a lead terminal,
It is in the form of a connector that has various terminals such as light terminals.

The file memory card CARD has a function as an external expansion memory, and includes a readable/writable random access memory and its access terminal housed in, for example, a card-shaped container. File memory card CARD
As mentioned above, the interface part IF is removable from the main body of the device, and this file memory card CA
When the RD is attached to the ink face section IF, the text memory T in the random access memory RAM
It is possible to transfer information with EX. Moreover, when this file memory card CARD is removed from the interface section 1F, the memory stored in the file memory card CARD is backed up by a battery, so that its stored contents will not be erased.

For example, a detection means such as a micro switch (not shown) for detecting the attachment/detachment state of the file memory card 0ARD to the interface section IF is provided on the interface section IF side, and a detection signal from this detection means is sent to the central processing unit C.
Supply to PU.

BUS connects central processing unit 0PtT and read-only memory R
OM, random access memory RAM, and memory card CAR connected to the interface section IF
This is a pass line that is electrically connected to D and used to transfer memory addresses and data.

Next, regarding the operation example of the present invention shown in FIG. 1, FIG. 2 shows an example of the key operation procedure of the keyboard KB, and FIGS. 3 and 4 show an example of a flowchart of the control processing process. Each will be referred to and explained.

First, in step 1 shown in FIG. 2, when the power is turned on by key operation, step S shown in FIG.
1, the entire random access memory RAM is cleared and the cursor position of the display device DIS and the printing device P are cleared.
@1'' is stored in the cursor pointer OP and head pointer HP, which are memory areas for storing the print head position of RT.

Next, in step $2, display data memo! J.D.
The display data in the ISP is displayed on the display device DNS, and in the next step S3, it is determined whether or not a key on the keyboard KB has been pressed, and the process waits until the key is pressed.

Next, in step 2 shown in FIG. 2, when the edit key (EDIT) is pressed while the file memory card CARD, which is an external memory, is not set in the interface section IF, in step S4, if it is not a character key (letter key), It is determined, and the process moves to step S5. In step S5, control keys (RETURN), (EDI
It is determined whether the key signal indicates that either T) or (END) has been pressed, and in this case, step S6
Move to.

In step S6, the file memory card CARD
It is detected whether or not the interface part F is attached to the interface part F. In this case, since the memory card CARD is not installed, the process moves to step S7, and "NEW/DanTO" is displayed.
R/ED? ” is stored in the display data memory DISP.

Then, in step S8, the display data memory DIS
The display data in P is displayed, and at this time the cursor is blinked under "N" and S. Next, in step S9, keys 1) and s are pressed to instruct that new text is to be created.
or the key (S) that instructs to edit text data.
) waits for one of the keys to be pressed.

Next, in step 3, when the key (N) is pressed and a key signal to that effect is input, the process moves to step 810. Here, since the input key is the key (N), the text memory TEX is stored in step 11. clear. Next, in step 12, the 7-lag F1 indicating that the key [S] or (N) has been pressed is set to '1', and the data in the line buffer LB is transferred to the display data memo IJDIsP.
Further, 1'' is stored in each of the text pointer TP and cursor pointer CP indicating the position of the text memory TEX.

Through this series of control processing, a text creation mode is set in which characters input from the keyboard KB are stored in the text memory TEX.

Thereafter, the process returns to step S2, and the control processes of steps S2 and S3 described above are repeated, and a display corresponding to step 3 is made on the display device DNS as shown in FIG.

Next, in step 4, when the key (A) is pressed, the input key is determined to be a character key in step S4, so the process moves to step 813, and the input character key "A" is pressed for one line of input characters. Data "'1" of cursor pointer OF of line buffer LB having storage capacity of
Store it in the position indicated by , and then move the cursor pointer CP to +
Do 1.

Next, the process proceeds to step S14, where the character "A" stored in the position indicated by the data "1" of the head pointer HP of the line buffer L3 is printed on the printing device PRT, and the head pointer HP is incremented by 1. Next, in step S15, the data "2" of the cursor pointer CP and the data @2" of the head pointer HP are compared. Since both data match, the process advances to step 816 and the data of the line buffer LB is compared. The data is transferred to the display data memory DISP, and the process returns to step S2.

Next, in step 5, keys CB), (C), CD), [
Σ] are pressed in sequence and a key signal to that effect is input, the same control process as described in step 4 is executed, the value of the cursor pointer CP becomes '6'', and the display as shown in the figure is displayed. Displayed on the device DIS and printed on the printing device P
Printed by RT.

Next, when the key (RETURN) is pressed in step 6, the process moves to steps S4, 85 and 817 in sequence.
The print head of the printing device PRT is returned to the home position, paper feeding is executed, and the head pointer HP
The IC "1" is stored and the process proceeds to step 818. In step 318, it is determined whether the flag F1 is set to 1'', and since the flag F1 has already been set, the process advances to step S19.

In step 819, the data "ABC3DKF" of the line buffer L13 is transferred together with the data 16" of the cursor pointer CP and the text pointer TPO data "'1" indicating the position of the text in the text memory TICX.
Replace with the line data indicated by .

Here, since nothing is stored in the text memory '['EX, the data in the line buffer LB is transferred to the text memory TEX together with the data in the cursor pointer CP, as shown in the figure. Furthermore, the text pointer TPO data "'1" and the data "6" of the cursor pointer OP are added, and the resulting value "7" is stored in the text pointer TP. Furthermore, step S1
9, the text memo IJ TICX iC data "1" of the end pointer EP indicating the final storage position of the stored memory contents is replaced with the data "6" of the cursor pointer OF and the number of characters on the line replaced above. '0''
Next, in step 820, the line buffer LB is cleared and 'l' is stored in the cursor pointer CP, and the process returns to step S2.

Next, in step 7, keys CF), CG) and [RΣ
TURN) is pressed in sequence, the same control processing as in steps 4 to 6 is executed. In other words, the input text line "FG" is the cursor point/CP data "'3"
'' is additionally stored in the text memory TICX, and data "10" is further stored in the text pointer TP and end pointer EP.

Next, in step 8, when the end key (END) is pressed, the process moves to steps 84, 85, and 821, and here, when it is detected that the file memory card CARD is not installed in the interface section IF, The process moves to step 822 shown in FIG. In step 322, the line buffer LB is cleared, @1'' is stored in the cursor pointer CP, the flag F1 is reset, and the process moves to step S12, where the same control processing as described above is performed.

In this way, in steps 4 to 8, document creation is executed by character input, the contents are stored in the text memory '['EX, and the text editing mode ends.Next, in step 9, the memory card CARD is section IF, press the edit key (EDI).
T), the process moves to steps S4, 85, S6 and 823 in sequence, where the file memory card CA
Since the file pointer FP indicating the storage position of RD is 1 m and no data is stored in the file card memory CARD, the process moves to step S7 and then to step S8.
And the control process of S9 is repeated. Therefore, a display corresponding to step 9 in FIG. 2 is displayed, and the key is in a standby state.

Next, in step 10, when the key (S) is pressed, each control process of steps 810 and 812 is executed, and the editing mode is set. That is, the key (S)
When is pressed, "ABODE" stored in the first line of the text memory TEX is displayed as shown in the figure, without clearing the text memory TEX.

Next, in step 1'l, when the end key (END) is pressed, steps 84, 85 and 821 are sequentially executed.
Here, the file memory card CARD has already been installed in the ink face section IF, so step S24
Proceed to. In step 824, “5AVE Y/N
? ' is stored in the display data memory DISP. Next, in step 825, the display data in the display data memory DlSP is displayed, and at this time the cursor is placed under "Y'" and llN1".

Next, in step 826, the text memory TIC
X K Key to instruct the transfer of stored text data to the file memory card CARD as external memory [Y], or the key to instruct it (N)
Waits for any key to be pressed.

Next, in step 12, when the key (Y) is pressed, the process moves to steps S27 and 828, where the data in the file memory card CARD is stored in the text memory TEX.
Since the flag F2 indicating that the data has been transferred to is not set, the process moves to step S29 shown in FIG. In step S29, the file name register FNR storing the file name is cleared, and the file name register FNR is cleared.
@ to the file name pointer PNP indicating the storage location of H
1". Then, in step 830, "
The character data "TITLE" and the data of the file name register FNH are combined, and this combined data is stored in the display data memory DISP. Then, in step S
31 and S32, display data memo 'J DI
The data "TITLE:" in SP is displayed on the display device DIS, and the next key input is awaited.

Next, in step 13, when the key (T) and [1] are pressed to input a file name, it is determined in step S33 of FIG. 4 whether or not the return key (RETURN) is pressed. Therefore, step S34
Proceed to. In step S34, input characters "T" and @
1" is stored in the position indicated by the file name pointer PNP of the file name register FNR, and the file name pointer PNP is incremented by 1. After that, the process returns to step S3Q and the execution of steps S31 and 832 is repeated, so that "TITLE: Tl ” is displayed on the display device DIS.

Next, in step 14, press the return key (RETURN).
When is pressed, the process moves to step 833 and S35. Here, the data of text memory 'I'EX'6A
BODE 3FG” is the file name register FNR
data "T1" and end pointer data "10"
' and is transferred to the address indicated by the file pointer FP in the file memory card CARD.

Then, in step 836, the text memory TEX
is cleared, and 11" is stored in the text pointer TP and end pointer EP, respectively. Next, in step S22, the 1 line buffer LB is cleared, 1 is stored in the cursor pointer CP, and the flag F1 is reset. The process then moves to step 812. In this way, in step 14, the contents of the text memory TEX are transferred to the file memory card CARD as shown in the figure, and are stored with a title attached. is cleared, allowing you to create and edit the following text.

Therefore, in step 15, the edit key (EDIT
) is pressed, steps S4, S5, S6 . S23
and 837, and in step S37, the menu message data "NEW/TORED/OAD" is stored in the display data memory DISP. Next, in step 838, the display data memo IJDIsP
The display data within is displayed, and at this time, each initial letter N
”, S” and “L”.

Next, in step 839, press the key [N] to instruct to create a new text, the key [S] to instruct to edit text data, or transfer text data from the memory card CARD, which is an external memory, to the text memory TEX. Waits until one of the keys (L) instructing to do so is pressed.

Therefore, when the key (L) is pressed in step 16,
The process moves to steps 840 and 841 to clear the file name register FNR and store 1'' in the file name point JFNP.

Next, in step S42, the "TITLE" character data is stored in the display data memo IJDISP.

Then, in steps S43 and S44, the data "TITLE" in the display data memory DISP is displayed on the display device DIS while waiting for the next key input.

Next, in step 17, key (T), [1] and (
When RETURN) is pressed in sequence, the process advances to steps S45 and S46 shown in FIG.
It is stored in the position indicated by the cursor pointer CP of R, and the cursor pointer CP is incremented by 1. Next, in step 847, all is stored in the verify pointer VFP indicating the storage location of the verify register VFR.

Next, in step 348, the data "1" of the verify pointer VFP in the file memory card CARD is
Transfers 4 characters "Tj-" from the address indicated by to the verify register VFR, and then transfers it to the verify point J.
"4" corresponding to the 4 characters of VFP data "1"
” is added to the data “5” to verify pointer VFP.
Store in.

Next, in step 349, the data "TI--" of the file name register FNH and the verify register V
The data "TI-1" of the FR is compared, and since they match, the process moves to step S50. In step S50, data ``10'' in the file memory card CARD addressed by data 15'' and 6'' of the verify pointer V'FP is read, and 10'' is read from the next address.
Transfer characters worth of text to text memory TEX,
A flag F2 is set to that effect. Then step 8
12, the flag F1 is set and the data in the line buffer LB is transferred to the display data memory DISP, so that the content "ABODE" is transferred to the display device DISP.
, and further stores 11' in the text pointer TP and cursor pointer OP.

On the other hand, if the determination in step 349 is negative, the process proceeds to step 851, where the data in the address indicated by the verify pointer VFP in the file memory card (CARD) is added to the data in the verify pointer VFP, and a value obtained by adding +1 to the added data is added. is stored in the verify pointer VFP, and then the process returns to step 848.

Next, in step 18, keys (,0), [P), (Q)
, (R), (S), and (T) are pressed in sequence and a key signal to that effect is input, steps S4 and S13 to S8 are performed.
Each of the 16 control processes is executed, the value of the cursor pointer CP becomes "7", and the contents are displayed on the display device DIS.

Next, in step 19, press the return key (RETURN).
When is pressed, steps S4, S5.817-3
20 control processes are executed. Therefore, as shown in the figure, the data "0PQRST" in the line buffer L13 is replaced with the line data indicated by the text pointer TP in the text memory TEX, together with the data 67" in the cursor pointer CP. In other words, the contents of the text memory TEX are "6AECDE3FG" shown in step 19 changes to "70PQR3T3FG" shown in step 19.

Thereafter, in step 20, when the end key (END) is pressed, step S4. S 5% 821,
Each control process is executed sequentially from S24 to S826. Therefore, is there a menu message on the display device DIS?
The fishing data “5AVE
) or the key (N) is pressed.

Next, in step 21, when the key (Y) instructing to transfer the text data stored in the text memory TEX to the memory card CARD, which is an external memory, is pressed, the process moves to step 328, and the flag F2 is pressed. on 11
'' has been set and data has been transferred from the file memory card CARD to the text memory TEX, so the process advances to step S52.

In step S52, EPLAOE/NEW
? Display menu message Data memory DIS
Store in P. Next, in step 853, the display data memo IJ 1) display data in the ISP is displayed;
At this time, the cursor is blinked under the initials "R" and "N".

Next, in step 854, press the key (R) to instruct to replace the text data in the file memory card CARD, which is an external memory, with the text data stored in the text memory TEX, or press the text data file name in the text memory TEX. key to instruct the file to be transferred to the file memory card 0ARII with
Waits for any key (N) to be pressed.

Here, as shown in step 22, when the key (R) is pressed, the process moves to steps 855 and 856, and the flag F
2 is reset and the process moves to step S57. In step 857, the data "70PQR8T 3FG" in the text memory TEX indicated by M2x is replaced with the file starting from the address indicated by the search pointer SP in the file memory card CARD, together with the data 1111 of the end pointer EP. Therefore, the contents of the file memory card CARD are changed from the contents shown in step 21 to the contents shown in step 22.

As described above, according to this embodiment, when a key operation to designate the start of text creation/editing is performed while the card memory CARD, which is an external memory, is not installed in the interface section F, Display device DIS
For example, a message such as "NEW, 4TORED?" is displayed, and the cursor is flashed under "N" and 1S'" to remind the operator of this fact.

Therefore, when the operator presses the key (N), a text creation mode is set for clearing all the text memory TEX and storing typed characters in the text memory TEX in order to create new text. On the other hand, when the operator presses the key (S), the text memory TEXE is specified to edit the stored text data, so the text edit mode is set without clearing the text memory 1"EX. The content of the first line of the text stored in the text memory TEX is displayed on the display device DIS.

On the other hand, when the card memory CARD is installed in the interface section 1F, the card memory CAR
When text data is stored in D, when a key operation to specify the start of text creation/editing is performed, a message such as @JEW/DanTORKD is displayed on the display device DIS.
/ LOmuD? ``A display is made, 'N'', 1S2
Then, the cursor is made to blink under "L" to remind the operator.

Therefore, when the operator presses the key (N)i or the key (g) as described above, the same processing as described above is performed. On the other hand, when the operator presses the key (L), the card memory (
Text data is transferred from 3ARD to text memory 'I'EX, and text editing mode is set.

Furthermore, no menu message is displayed on the interface between the card memory CARD and the display device DIS.

Furthermore, while the card memory CARD is installed in the interface section IF, text creation/
When a key operation to specify the end of editing is performed, the display device S displays, for example, 5AVE! /! ! ? A display will be displayed to remind the operator of this, and the display will flash under "Y" and "K".

Therefore, when the operator presses the key (N), the text editing mode is ended without doing anything.

On the other hand, when the key (Y) is pressed by the operator, the text data stored in the text memory TEX is transferred to the memory card (3ARD) as an external memory.

Therefore, the operator can perform operations appropriately in accordance with the messages on the display device DIS, so the operability is extremely high.

〔effect〕

As explained above, according to the present invention, when starting or ending text creation or editing, it is detected whether or not an external expansion memory is installed in the device main body, and the external expansion memory is detected. The storage status of the expansion memory is detected and a menu message corresponding to these statuses is displayed to allow the operator to select the next control process, so the operator can perform the desired process without making mistakes. , the operability is greatly improved.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an example of the general configuration of the character processing device of the present invention, FIG. 2 is an explanatory diagram showing an example of the key operation procedure and the state of each part, and FIGS. 3 and 4 are the same. It is a flowchart which shows an example of the signal processing process by key operation. KB...Keyboard, RETURN...Return key, EDIT...Edit key, END...End key, CPU...Central processing unit, PRT...Printing device, DIS...Display device, ROM ...Read-only memory, RAM...Random access memory, TEX...Text memory, IF...Interface section, CARD...File memory card.

Claims (1)

[Claims] 1) An input means for inputting characters, a specifying means for instructing the start or end of text when creating or editing text, and a first memory for storing the character string input from the input means. a second storage means that is removable from the apparatus main body and that transfers information between the first storage means and the second storage means that is connected to the first storage means; a detection means for detecting whether or not the second storage means is attached or detached; and the detection means detects the attachment or detachment state of the second storage means according to the designation of the designation means, and the first storage means means and said second
1. A character processing device comprising display means for displaying a menu message for activating a storage means. 2) In the character processing device according to claim 1, the start of text creation or editing is specified by the specifying device, and the second storage device is not installed in the device main body by the detecting device. 2. A character processing device according to claim 1, wherein when the first storage means is detected, the display means displays a selection menu message asking whether or not to initialize the first storage means. 3) In the character processing device according to claim 1 or 2, the specifying means specifies the start of text creation or editing, and the detecting means specifies the second
When it is detected that the storage means is attached to the device main body, the display means determines whether or not to initialize the first storage means, and whether or not to initialize the data in the second storage means. 1. A character processing device, characterized in that a message for selecting whether or not to transfer data to another device is displayed. 4) In the character processing device according to claim 1, the end of text creation or editing is specified by the specifying device, and the second storage device is not installed in the device main body by the detecting device. A character processing device characterized in that the display means does not display a selection menu message when a selection menu message is detected. 5) In the character processing device according to claim 1 or 4, the specifying means specifies the end of text creation or editing, and the detecting means specifies the end of text creation or editing.
When it is detected that the storage means is attached to the device main body, the display means displays a selection menu message asking whether or not to transfer the text data in the first storage means to the second storage means. A character processing device characterized by: 6) In the character processing device according to claim 5, when a selection menu message is displayed on the display means, the data in the first storage means is transferred to the second storage means. A character processing device comprising a detection means for detecting whether text data in the first storage means has been transferred from the second storage means and edited in response to a key operation. 7) In the character processing device according to claim 6, the detection means detects that the text data in the first storage means has been transferred from the second storage means and edited. In some cases, the display means replaces the text data in the first storage means with the text data in the second storage means, or attaches a file name to the text data in the first storage means and displays the text data in the second storage means. A character processing device characterized by displaying a selection menu message for selecting whether to transfer data to a character.