JPH053613B2 - - Google Patents

Description

[Detailed description of the invention]

Technical Field The present invention relates to a typewriter that controls a paper feeding device, a drive device, and a print head so that characters, etc. are printed on printing paper in accordance with the operation of each key on a keyboard, and in particular, the invention relates to a typewriter that is programmable. It is about typewriters. Prior Art Generally, when creating tabulations, a computer using BASIC is set to graphic mode to perform complex design work, or a regular typewriter is used to manually rotate the printing paper in the reverse direction. After feeding, it is necessary to print an underline, which requires complicated operations such as key operations. Purpose of the Invention This invention has been made in view of the above circumstances, and its purpose is to be able to incorporate information for feeding printing paper in the forward or reverse direction into a program, and to The object of the present invention is to provide a programmable typewriter that can control a printing section based on the information and thereby facilitate tabulation. Structure of the Invention In order to achieve the above object, the present invention includes a storage means for storing data of a program used when setting a program control mode;
a first control means for controlling the printing control means so that characters or the like are printed on the printing paper as the program is executed when a program control mode is set; A second control means for controlling the paper feeding device so that the paper is fed in the forward direction; and a first embodiment for controlling the paper feeding device so that the printing paper is fed in the reverse direction as the program is executed. An embodiment embodying the present invention will be described with reference to FIGS. 1 to 6. As shown in FIG. 1, a platen 2 extending left and right is supported on the rear side of the main body case 1 of the typewriter, and a printing paper 3 is transferred onto the platen 2 by the operation of a well-known paper feeding device 4 shown in FIG. It is designed to be transported forward or backward based on the location. A guide rod 5 is disposed in front of the platen 2 and extends parallel to the platen 2, and a carriage 6 is supported on the guide rod 5 so as to be movable left and right along the platen 2, that is, in a direction perpendicular to the paper moving direction. and is rotatably supported around the guide rod 5. A thermal head 7 is mounted on this carriage 6. Then, based on the operation of the well-known drive device 8 shown in FIG. 3, the carriage 6 is moved left and right along the guide rod 5 and rotated. The printer is movable between a printing position where it is pressed and a rest position where it is separated from the printing paper. A keyboard section 9 is provided at the front of the main body case 1, and the keyboard section 9 has a line shorter than one line.
A display section 10 made of liquid crystal and capable of displaying 24 digit characters is provided. Furthermore, various keys, switches, etc. for operating this typewriter are arranged on the keyboard section 9. That is, they are alphabet keys 11, 0 to 1 for inputting each letter of the alphabet.
Numeric key 12 for entering the number 9, backspace key 13, return key 14, margin set key 15, margin release key 16 that also serves as line indent key, tab set key 17 that also serves as tab clear key, and paragraph indent key. A tab letter key 18 that doubles as a line tab key, a decimal tab key 19 that also serves as a line tab key, a shift key 20, and a second shift key 2.
1. Shift lock key 22, code key 23, repeat key 24, space key 25, index key 26 for transporting the printing paper 3 in the forward direction, reverse index for transporting the printing paper 3 in the reverse direction. It is ski 27. Also, on the right side of the display section 10, a keyboard section 9 is provided.
At the top, there is an upward scroll key 35 that is operated to display on the display section 10 the data of one line before a predetermined line of the program being displayed on the display section 10 when setting the program control mode, which will be described later. Down scroll key 3 operated to display data on the line one line after the line currently displayed in section 10
6. A cursor right movement key 37 and a cursor left movement key 38 for moving the cursor 10a indicating the data input position left and right on the display unit 10 are provided, as well as an insert key 39, a print key 40, an exit key 41, and a delete key. 42, a continue key 43, and an escape key 44 are provided. A keyboard section 9 is provided on the left side of the display section 10.
At the top is a three-position sliding line space select switch 45 for selectively setting the feed amount of the printing paper 3 during line feed operations, and selecting one of type mode, word processor mode, and program control mode. A three-position sliding mode select switch 46 is provided for each. Also, on the upper surface of the lower part of each number key 12, there is a button for performing calculations when setting the program control mode.
Function display statements such as SIN and COS are attached, and inputs are also made in the program control mode on the upper surface of the lower part of each alphanumeric key 11.
Command display statements such as RUN, NEW and END,
Statement display statements such as FOR and NEXT are attached. In addition, Alphabet key 11
A plurality of dedicated keys 47 are provided between the return key 14 and the return key 14 to which only command display sentences or statement display sentences are attached. When the type mode is set by the mode select switch 46, the typewriter in this embodiment can be used as a normal typewriter, and when the word processor mode is set, the typewriter can be used as a word processor. When set to program control mode, the typewriter can be used as a personal computer using BASIC as the programming language. When the program control mode is set, when either the alphanumeric key 11 or the numeric key 12 is operated together with the code key 23, a code is input when those keys 11 and 12 are operated alone. It is now possible to input code data that is different from the data. Next, the typewriter control circuit in this embodiment will be explained with reference to FIG. In the same figure, 5
0 is the central processing unit (CPU), and this CPU5
0 is connected to a printing section 51 composed of the paper feeding device 4, drive device 8, and thermal head 7, as well as a keyboard section 9, a display section 10,
A read only memory (ROM) 52 and a random access memory (RAM) 53 are connected respectively. The ROM 52 includes a mode select switch 4.
Memory areas 54 to 6 store three types of programs for controlling the operation of the typewriter in accordance with the modes selected by the operations in step 6.
56 are provided. The RAM 53 includes a memory area 57 as a data storage means capable of storing position data of margins, tabs, decimal tabs, and tabulation tabs, a memory area 58 as a program storage means for storing program data, and a memory area 58 as a program storage means for storing program data, when the word processor mode is set. A memory area 59 for storing character data etc. inputted in the program control mode and a variable area 60 for storing the results calculated when setting the program control mode are provided. The CPU 50 includes a print control means 61, a storage control means 62, and a first control means 63.
Further, the printing control means 61 is a second control means 6.
1a and a third control means 61b. Then, the printing control means 61 controls the printing section 51 based on the position data of the margin, tab, decimal tab, and tabulation tab stored in the memory area 57 of the RAM 53 when setting the type mode,
It is possible to print characters, vertical lines, etc. on the printing paper 3. In particular, the second control means 61a controls the paper feeding device 4 so that the printing paper 3 is fed in the forward direction, and the third control means 61b controls the paper feeding device 4 so that the printing paper 33 is fed in the reverse direction.
control. Also, when setting the program control mode, the CPU 50 stores program data in the RAM 5.
The storage control means 62 stores the margins in the program in the memory area 58 of 3.
The position data of the tab, decimal tab, and table tab are read from the memory area 58 and stored in the memory area 57. Further, the first control means 63 controls the memory area 5 as the program is executed.
Print paper 3 based on each position data read from 7.
The printing control means 61 is controlled so that the printing operation is performed at the top. Now, mode select switch 4 shown in Figure 2
When setting the margin position and tabulation tab position with the type mode set based on the operation in step 6, first operate the space key 25 or backspace key 13, and the drive device 8 is activated by the CPU 50. Based on the operation of the drive device 8, the carriage 6 is moved along the platen 2. Then, by stopping the operation of the space key 25 or the backspace key 13, the carriage 6 can be placed at the desired digit position. In this state, the left margin position can be set by operating only the margin set key 15, and the position data is stored in the memory area 57 of the RAM 53. Further, after operating the space key 25 or backspace key 13, the right margin position can be set by simultaneously operating the margin set key 15 and code key 23, and the position data is stored in the memory area 57. . To cancel the left and right margin positions set in this way, move the carriage 6 to each margin position and then operate the margin release key 1 to move the carriage 6 to the outside of the left and right margin positions. can be moved to. When setting the table tab position in order to print vertical lines at a predetermined position, move the carriage 6 to the desired position by operating the space key 25 or backspace key 13 in the same way as in the previous case. , by operating the decimal tab key 19 which also serves as a line tab key along with the code key 23, the data of the tabulation tab position is stored in the memory area 57. Next, by operating the tab letter key 18, the carriage 6 can be moved to the tabulation tab position set by the above operation, and the vertical lines can be printed by the thermal head 7. Note that a plurality of tabulation tab positions can be set. In order to cancel a set tabulation tab position, it is sufficient to move the carriage 6 to the tabulation tab position and operate the code key 23 together with the tab set key 17 which also serves as a tab clear key. Furthermore, if you want to print an underline below the printed characters, press the space key 25.
Alternatively, after operating the backspace key 13 to move the carriage 6 to the character printing position, operate the specified key for underline printing and move the thermal head 7 within the range where you want to print the underline. An underline is printed by the thermal head 7. Therefore, when setting the type mode, tabulation can be achieved by printing the vertical lines and printing the underlines in combination. Next, processing related to the present invention will be explained with reference to FIGS. 4 to 6 and Table 1. First, after turning on the power to the typewriter, in step S1 of FIG. 4, the mode select switch 46 is operated to set the program control mode, and the CPU 50 displays a predetermined initial setting screen on the display section 10. That is, a screen for selecting and specifying the file number of the program to be stored in the memory area 58 of the RAM 53 and a screen for inputting the file name are sequentially displayed, and the user inputs the file number and file name respectively based on the display. After that, when the return key 14 is operated, a cursor 10a is illuminated at the first digit of the display section 10, as shown in FIG.

[Table] Next, in step S2 of FIG. 4, various key operations are performed to input the program shown in Table 1, for example. This program consists of line numbers such as “10” and “20” and executable statements such as “INPUT “mgns=”;M”. And for example "INPUT"
"I" to enter the statement
All you have to do is press down the alphanumeric key 11 and the code key 23 at the same time, and after inputting that statement, the CPU 50 is activated in step S3.
Based on the operation, the character is displayed on the display unit 10 and is stored in a coded state in the memory area 58 of the RAM 53. And the fourth
Proceeding to step S4 in the figure, it is determined whether or not the program input operation has been completed, and if the result is YES, the program input is completed. To explain the tabulation program shown in Table 1, in the 10th and 20th lines, the left margin position and the number of underline prints are set as variables "M" and "C", respectively. The executable statement on line 30 is an executable statement that sets the left margin by storing the left margin position data assigned to the variable "M" in the memory area 57 of the RAM 53. Line 50 is an executable statement to print the message ``mgns=length='', and line 55 is print paper 3.
This is an executable statement to move the message in the opposite direction 4 times by 1/2 line pitch, and from line 60 to line 90, after printing the message, an underline of one character is continuously added to the upper side of the message. This is an executable statement to print a horizontal line. The executable statements on lines 110 to 140 are for printing a horizontal line with a continuous underline for one character at the bottom of the message, and the executable statements on line 160 are for "M+1", "C+M".
+1'' is stored in the memory area 57 of the RAM 53 to set a tabulation tab. Also, the execution statement on line 170 is for moving the printing paper 3 twice by half a line pitch in the opposite direction in order to connect the ends of each horizontal line with a vertical line. The executable sentences are the above “M+1” and “C
+M+1" is an executable statement for printing vertical lines at each position. The executable statements on lines 40, 100, and 150 are for moving the thermal head 7 to the "M" margin position and performing a line feed for one line. In addition,
Lines 60 and 110 are printed before underlining.
This is an executable statement to perform blank printing for one character. To run this program, first press the alphabet key 11 of "R" and the code key 23.
When the return key 14 is operated after operating , the validity of each executable statement is analyzed by the CPU 50 in step S5 of FIG.
Then, it is determined whether each executable statement contains an error. If the result is YES, an error message such as "SYNTAX ERROR" is displayed on the display unit 10. If the result is NO, step S
Proceed to step 7. A display prompting you to enter data to set the margin position "M" and the number of underline prints "C" will appear, and follow the display by pressing number key 1.
2 and enters, for example, "0" and "20" into the variables "M" and "C", each data is written into the memory area 57. Thereafter, in order to print the message and tabulation line on the printing paper 3 based on the respective data, the printing control means 61 that controls the printing section 51 is controlled by the first control means 63, and the first control means 63 controls the printing section 51. Second and third control means 61
The paper feed device 4 is controlled by a and 61b. That is, after the carriage 6 is moved to the left margin position stored in the memory area 57 of the RAM 53 based on the command statement on line 40 of the program shown in Table 1, "mgns=0" is executed based on the executable statement on line 50.
The message "length=20" is printed, a changeover operation is performed, and the carriage 6 is again placed at the left margin position. Next, based on the 55-line executable statement, the paper feed device 4 is controlled by the third control means 61b, and the printing paper 3 is reversely fed by two lines. Then, based on the execution statement in lines 60 to 90, the printing unit 51 is controlled to print the message on the upper side.
21 digits of underline will be printed continuously.
Next, based on the executable statement on line 100, a change operation is performed, the carriage 6 is moved to the left margin position, and the printing unit 51 is controlled based on the executable statement on lines 110 to 140 to print the message. An underline of 21 digits is printed continuously at the bottom. Then, based on the execution statement on line 150, a change operation is performed, and the carriage 6 is moved to the left margin position, and based on the execution statement on line 160, the tabulation tab position is stored in the memory area 57, and tabulation is performed. Tabs are set. Next, based on the 170-line execution statement, the one-line statement printing paper 3 is reversely fed, and then a vertical line is printed based on the tabulation tab position data stored in the memory area 57, and the sixth As shown, the message is surrounded by tabulation lines. When performing a printing operation based on data on different margins and underline printing number according to this program, when prompted to input margin position data and underline printing number data as the program is executed, press the numeric key 12. By operating the and return keys 14 and inputting the numerical values "9" and "20," the characters and tabulation lines will be automatically printed in sequence based on the respective data, as shown in Figure 6. be done. As mentioned above, in this embodiment, just by inputting the margin position data and the underline printing number data when executing the program,
Tables can be automatically printed based on each data. Therefore, there is no need to perform complicated key operations to set the tabulation tab position. Effects of the Invention As detailed above, in this invention, information for feeding printing paper in the forward or reverse direction can be incorporated into a program, and as the program is executed, the printing unit can be controlled based on the information. This has the excellent effect of making tabulation easier, for example.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a typewriter embodying the present invention, Fig. 2 is a plan view showing the keyboard section, Fig. 3 is a block diagram of the typewriter, Figs. 4 and 5 are a flowchart, and Fig. The figure shows the results of program execution. In the figure, 3 is printing paper, 4 is a paper feeding device,
6 is a carriage, 7 is a thermal head, 8 is a drive device, 9 is a keyboard section, 58 is a memory area as a storage means, 61 is a print control means, 61a is a second control means, 61b is a third control means, 63
is the first control means.

Claims (1)

[Claims] 1. A keyboard section 9 including character/numeric keys 11 and 12; a paper feed device 4 for feeding the printing paper 3; and a carriage 6 for driving a carriage 6 in a direction perpendicular to the moving direction of the printing paper 3. a drive device 8 for printing, and a print head 7 placed on the carriage 6.
and a printing function for controlling the paper feed device 4, drive device 8, and print head 7 so that characters, etc. are printed on the print paper 3 in accordance with the operation of each key of the keyboard section 9 when setting the type mode. In a typewriter comprising a control means 61, a storage means 58 for storing program data used when setting the program control mode.
and a first control means 63 for controlling the print control means 61 so that characters, etc. are printed on the printing paper 3 as the program is executed when the program control mode is set; and execution of the program. Accordingly, the printing paper 3
a second control means 61a that controls the paper feeding device 4 so that the printing paper is fed in the forward direction; and a third control means 61a that controls the paper feeding device 4 so that the printing paper is fed in the reverse direction as the program is executed. A program-controllable typewriter characterized in that it comprises a control means 61b.