JP4334552B2 - Information processing system, terminal device, and display control method for information processing system - Google Patents

Description

The present invention relates to an information processing system, a terminal device, and a display control method for the information processing system, and more particularly to an information processing system, a terminal device, and a display control method for the information processing system that accept input of information.

  A display terminal of a system configured by a host / terminal is designed and operated assuming a screen composed of 24 rows × 80 columns, for example. On the other hand, on the terminal side, the multi-window environment has spread and the window size has become variable, but in such a system, let's configure something other than 24 rows x 80 columns generated as a result of processing on the host side. Then, it is necessary to change the system display screen, command input screen, existing application, etc. on the host side. For this reason, the screen configuration cannot be easily changed only on the terminal side.

  FIG. 1 shows a system configuration diagram of a conventional example. A conventional system 1 of this type has a configuration in which a host computer 2 and a terminal device 3 are connected via a communication line 4. The host computer 2 is provided with a program 5, an OS 6, and a communication card 7. The program 5 is designed and operated on the assumption that the screen is composed of, for example, 24 lines and 80 digits, and supplies desired information to the terminal device 3 in response to a request from the terminal device 3.

  The OS 6 controls execution of the program. The communication card 7 is connected to the communication line 4 and communicates with the terminal device 3. The terminal device 3 includes a terminal device body 8, a display 9, and an input device 10. The terminal device main body 8 is connected to the communication line 4, communicates with the host computer 2, and performs terminal emulator processing.

The terminal device body 8 includes a communication card 11, an OS 12, and a terminal emulator program 13. The communication card 11 performs communication control with the communication line 4. The OS 12 controls the execution of the installed program. Terminal emulator program 13 accesses the host computer 2, to obtain the necessary information from the host computer 2, the set screen size on the display 9 in the host computer 2, for example, display the information in line 24 80 digits To do.

  The display 9 is composed of a CRT or the like, is connected to the terminal device main body 8, and displays a processing result in the terminal device main body 8. The input device 10 is connected to the terminal device body 8 and gives various instructions to the terminal device body 8 by operation. Next, the terminal emulator program 13 installed in the terminal device body 8 will be described.

  FIG. 2 shows a functional block diagram of a conventional terminal emulator program. The conventional terminal emulator program 13 includes a data analysis unit 14, a data display unit 15, a screen buffer 16, a data input unit 17, and a data transmission unit 18. Data supplied from the host computer 2 via the communication line 4 is first supplied to the communication card 11 and demodulated. Data demodulated by the communication card 11 is supplied by the OS 12 to the terminal emulator program 13 via the communication driver 19 and the communication control service 20.

  The data supplied to the terminal emulator program 13 is first supplied to the data analysis unit 14. The data analysis unit 14 analyzes the data supplied from the communication service control unit 20. The data analysis result of the data analysis unit 14, the command and the display information are identified, and the display information is supplied to the screen buffer 16. The screen buffer 16 stores 24 rows and 80 columns of information supplied from the host computer 2. Further, the data analysis unit 14 identifies whether the command supplied from the host computer 2 is a write command, an erase write command, or a read command.

  When a write command and an erase write command are identified as commands supplied from the host computer 2 by the data analysis unit 14, the data display unit 15 is controlled by the write command and erase command, and the command supplied from the host computer 2 is changed to the write command. In the case of an erase write command, the supplied write command or erase write command is supplied to the data display unit 15.

  In response to the command supplied from the data analysis unit 14, the data display unit 15 controls the display 9 with the system control unit 21 that constitutes the OS 12, and displays 24 rows and 80 columns of information stored in the screen buffer 16 on the display 9. indicate. The data input unit 17 receives a display area instruction or display information change information supplied from the input device 10 such as a keyboard or a mouse via the system control unit 21, and supplies it to the data display unit 15 or the screen buffer 16. The display area instruction information is supplied from the input device 10 to the data display unit 15, and the display area is displayed on the display 9 of the 24 rows and 80 digits information stored in the screen buffer 16 based on the supplied display area instruction information. Control.

  The screen buffer 16 is supplied with information such as changing and adding information on the screen, and the information stored in the screen buffer 16 is rewritten. When a read command is supplied from the host computer 2 to the data analysis unit 14, the data analysis unit 14 supplies a read command to the data transmission unit 18. When a read command is supplied from the data analysis unit 14, the data transmission unit 18 sends the information stored in the screen buffer 16 to the host computer via the communication control service unit 20, the communication driver 19, the communication card 11, and the communication line 4. 2 is supplied.

  FIG. 3 is a diagram for explaining the operation of a conventional terminal emulator program. When the terminal emulator program 13 receives the screen information from the host computer 2, the screen information stored in the screen buffer 16 is stored in the screen buffer 16 by the data analysis unit 14 from the input device 10 by the data display unit 15. After being expanded into a display area corresponding to the display area information supplied via the data input unit 17, it is supplied to the display 9 via the system control unit 21.

  For example, as described in the screen buffer 16 shown in FIG. 3, “ABC” is stored from the first row and the third digit, “DEF” is stored from the 12th row and the 40th digit, and “GHI” is stored as the screen information. Is stored from the 24th row and the 78th column. At this time, if the full screen display is instructed by the input device 10, as shown in the display screen 15 a of the data display unit 15, the information of 24 rows and 80 digits stored in the screen buffer 16 is mapped as it is, and the display 9 As shown in the window W1, all screen information of information “ABC”, “DEF”, and “GHI” stored in the screen buffer 16 is displayed on the screen.

  Further, if the display area of 12 lines 35 to 45 digits of the screen information is instructed by the input device 10, the central portion of the entire screen stored in the screen buffer 16 as shown in the display screen 15 b of the data display unit 15. 12 lines 35 to 45 digits of screen information, “DEF” is mapped, and “DEF” in the center portion of the screen among the screen information stored in the screen buffer 16 as shown in the window W2 on the screen of the display 9. Will only be displayed.

  FIG. 4 is a diagram for explaining a display screen of a conventional terminal device. 4A shows the entire display screen, FIG. 4B shows the partial display screen, and FIG. 4C shows the information in the screen buffer 16. As shown in FIGS. 4A and 4B, the display screen 30 includes a title bar 31a, a menu / toolbar 31b, an information screen 31c, a status display unit 31d, and a scroll bar 31e.

  The title of the display screen is displayed on the title bar 31a. The menu / tool bar 31b displays various menu / tool buttons for switching and editing the display screen. Of the screen information stored in the screen buffer 16, the screen information of the area selected by the data display unit 15 is displayed on the information screen 31c. A display line of screen information displayed on the information screen 31c is displayed on the status display unit 31d. The scroll bar 31e is displayed when partial display is performed, and is operated when the display area is moved.

When an instruction to display the entire screen information stored in the screen buffer 16 is input by operating the menu / toolbar 31b, the information screen 31c includes a screen buffer as shown in FIG. All of the screen information stored in 16 is displayed, that is, information from 1 column per line to 24 rows and 80 columns. When an instruction to display a part of the screen information stored in the screen buffer 16 is input by operating the menu / toolbar 31b, the information screen 31c is displayed on the information screen 31c as shown in FIG. of the screen information stored in the screen buffer 16, for example, 23 rows by 80 columns of information from three lines 1 digit is displayed.

  In the conventional terminal emulator program, only the screen stored in the screen buffer 16 is displayed. When the screen is next called, the screen information is read from the host computer 2 and overwritten on the current screen information in the screen buffer 16. I was storing. For this reason, when reading the previous screen, the previous screen is read again from the host computer 2 and overwritten on the current screen information and stored in the screen buffer 16.

However, in the conventional terminal emulator program, the screen information supplied from the host computer 2 is stored in the screen buffer, and only the information stored in the screen buffer is displayed. Even when the user wants to view the previous screen during the process, the current screen information change / edit processing is stopped, stored in the host computer 2, the previous screen information to be referred to is read from the host computer 2, and the screen buffer 16 is read. After the reference, the data is stored in the host computer 2 again, the original screen information is read from the host computer 2, stored in the screen buffer 16, displayed, and then the original screen information is changed or edited. There is a problem that the processing procedure is complicated and the operability is not good.

  That is, in the conventional terminal emulator program, although the display on the terminal device is a multi-window system, the screen display is not compatible with the multi-window in order to maintain consistency with the host computer 2. There were problems such as poor operability in the device.

The present invention has been made in view of the above points, and an object thereof is to provide an information processing system, a terminal device, and a display control method for the information processing system that solve the above problems .

The present invention includes a host device, an input device operated by an operator, and a display device for displaying information, and receives information transmitted from the host device by the operation of the input device by the operator, to the display device. In an information processing system having a terminal device to be displayed, the terminal device receives an input of information from the host device, and screen information displayed on the display device based on the information received by the input unit Is not the latest screen information among the screen information generated by the processing unit, the first storage unit that holds the latest screen information among the screen information generated by the processing unit, and the screen information generated by the processing unit. A second storage unit that holds past screen information, and a third storage unit that holds any one of the screen information stored in the first or second storage unit The window in which the first to screen information held in the third storage unit and a display processing unit for displaying the set window on the display device, is displayed on the display device by the display processing unit Includes first to third display areas, the latest display information is displayed in the first display area, the past screen information is displayed in the second display area, and the third display area is displayed. In the display area, the latest image information stored in the third storage unit or screen information that is not the latest image information can be changed by the processing unit based on the operation of the input device by the operator to, is intended to be displayed.

  According to the present invention, the screen information stored in the first storage unit is displayed in the first display area, the screen information is updated based on the input information, and the updated screen information is displayed in the first display area. The screen information stored in the storage unit, the screen information stored in the first storage unit is stored in the second storage unit, and the updated screen information stored in the first storage unit is displayed in the first display area. In addition, by displaying the screen information before update stored in the second storage unit in the second display area, the information transmitted from the host device side is displayed together with information communicated with the host device side in the past. Therefore, when adding information to the information transmitted from the host device side, it is possible to input information with reference to past information, so that accurate input is possible and past information can be easily recognized. It becomes easy to distinguish from information, and in the past While sequentially updating the information transmitted from the position apparatus each time it receives the information from the host side, it can be displayed, with features such as only efficiently be obtained close information of the past information.

  FIG. 5 shows a system configuration diagram of the first embodiment of the present invention. In the figure, the same components as in FIG. The system 100 of this embodiment is different from the system of FIG. 1 in the function of the terminal emulator program 102 installed in the terminal device 101.

  FIG. 6 is a block diagram of the terminal device according to the first embodiment of the present invention. The terminal device 101 of this embodiment mainly includes a CPU 111, ROM 112, RAM 113, hard disk drive 114, floppy disk drive 115 ("floppy" is a registered trademark), CD-ROM drive 116, keyboard 117, mouse 118, input I / O. F119, display 120, display control unit 121, communication device 122, and bus 123.

  The CPU 111 is controlled by the OS 12 and various application programs recorded in the hard disk drive 114, and executes processing according to the program. The ROM 112 stores an activation OS for starting up the terminal device 101 when the terminal device 101 is powered on. The RAM 113 is provided as a working storage area for the CPU 111, and stores programs and data to be executed.

  The hard disk drive 114 stores the OS 12 that controls the execution of the installed program, various application programs, and data. A floppy disk 124 is inserted into the floppy disk drive 115, and a program and data magnetically stored in the floppy disk 124 are read out.

  A CD-ROM 125 is inserted into the CD-ROM drive 116, and a program and data optically stored in the CD-ROM 125 are read out. The keyboard 117 inputs data by key operation. The mouse 118 moves the position of the pointer displayed on the screen by an operation. The input interface circuit 119 supplies data corresponding to the operation of the keyboard 117 and the mouse 118 to the CPU 111. The display 120 displays data processed by the CPU 111 using a program. The display control unit 121 converts processing data in the CPU 111 into a signal that can be displayed on the display 120 and controls display.

  The communication device 122 communicates with the host computer 2 via the communication line 4. The bus 123 connects the CPU 111, ROM 112, RAM 113, hard disk drive 114, floppy disk drive 115, CD-ROM drive 116, input interface circuit 119, display control unit 121, and communication device 122.

  Note that the terminal emulator program 102 which is a feature of the present embodiment is recorded in the hard disk drive 114, and is expanded in the RAM 113 and executed by the CPU 111 at the time of execution. The terminal emulator program 102 may be stored in the floppy disk 124 or the CD-ROM 125, read by the floppy disk drive 115 or the CD-ROM drive 116, and installed in the hard disk drive 114.

  Alternatively, the floppy disk 124 or the CD-ROM 125 in which the terminal emulator program 102 is recorded may be directly expanded from the floppy disk drive 115 or the CD-ROM drive 116 to the RAM 113 and then executed. The terminal emulator program 102 is a program that reads out and displays data processed and processed in the host computer 2 and standardized in 24 rows and 80 columns via the communication line 4, and changes and edits the data.

  FIG. 7 shows a functional block diagram of the terminal emulator program of the first embodiment of the present invention. In the figure, the same components as in FIG. The terminal emulator program 102 according to this embodiment includes a data analysis unit 14, a screen buffer 16, a data input unit 17, a data transmission unit 18, a recording screen storage unit 131, and a main control unit 132.

  The recording screen storage unit 131 sequentially holds the screen information stored in the past among the screen information stored in the screen buffer 16. The main control unit 132 includes a data display unit 15 and an extended area management unit 133. The data display unit 15 displays the current screen stored in the screen buffer 16. The extended area management unit 133 controls display of the storage screen and the extended area of the recording screen storage unit 131 according to a command supplied from the host computer 2 or an operation from the input device 10.

  FIG. 8 is a diagram for explaining the operation of the terminal emulator program according to the first embodiment of the present invention. When data is received from the host computer 2, the received data is analyzed by the data analysis unit 14. If the analysis result in the data analysis unit 14 is screen information, it is stored in the screen buffer 16 as the current host screen.

  If the data supplied from the host computer 2 is an erase write command EW, that is, a full screen rewrite command, the erase write command EW is supplied to the main control unit 133. When the main control unit 133 receives the erase write command EW, the main control unit 133 updates the screen information stored in the recording screen storage unit 131 in accordance with the received command. Further, the main control unit 133 updates the screen information stored in the recording screen storage unit 131 in accordance with an operator operation.

  When a new screen is stored in the screen buffer 16, the screen stored in the third recording screen storage area S3 of the recording screen storage unit 131 is erased and stored in the second recording screen storage area S2. Are stored in the third recording screen storage area S3. The screen stored in the first recording screen storage area S1 is stored in the second recording screen storage area S2.

  Further, the first recording screen storage area S1 stores the current host screen displayed in the normal area W1 of the window W0 of the display 9, that is, the screen before rewriting the screen buffer 16. Further, the screen supplied from the host computer 2 is stored in the screen buffer 16. The new screen stored in the screen buffer 16 is displayed in the normal area W1 of the window W0 of the display 9, and the previously displayed screen stored in the recording screen storage unit 131 is the extended area W2 of the window W0 of the display 9. Is displayed.

  It is also possible to perform a memo display in which a desired screen is stored by designating any one of the first to third recording screen storage areas S1 to S2 in the recording screen storage unit 131. FIG. 9 shows a state transition diagram of the display screen of the first embodiment of the present invention. When the terminal emulator program 102 is activated and new screen information is supplied from the host computer 2, the supplied screen information is stored in the screen buffer 16. At this time, since the screen information is not stored in the recording screen storage unit 131, only the screen information stored in the screen buffer 16 is displayed in the normal area W1 of the window W0 as shown in the state S1. If the display of the extended area W2 is not instructed in the state S1, the normal area W1 is erased every time the latest screen information is supplied from the host computer 2 as before, and the latest screen information is always displayed. The

  In addition, when screen information is further supplied from the host computer 2 in the state S1, the screen information supplied from the host computer 2 is displayed in the normal area W1, and is set immediately above the normal area W1 of the extended area W2. In the log display area WLN, the screen information displayed in the normal area W1 immediately before the latest screen information is supplied from the host computer 2 is displayed, and further set immediately above the log display area WLN in the expansion area W2. In the log display area WLO, the screen information displayed in the log area WLN immediately before the latest screen information is supplied from the host computer 2 is displayed.

  Further, when a memo execution request is made by operating the input device 10 while screen information is displayed in the extended area W2, the expanded area W2 becomes the memo display area WM, and the screen information displayed in the memo display area WM is displayed. Display regardless of the supply of new screen information. At this time, the normal area W1 is erased every time the latest screen information is supplied from the host computer 2, and the latest screen information is always stored.

  After the log start request is made by the input device 10 in the state S4, when the latest screen information is supplied from the host computer 2, the screen information displayed in the normal area W1 is displayed as shown in the state S5. The latest screen information supplied from the host computer 2 is displayed in the log display area WL set above the memo display area WM in the extended area W2.

  As shown in the state S5, when the latest screen information is supplied from the host computer 2 in a state where the screen information is displayed in the memo display area WM and the log display area WL of the normal area W1 and the extended area W2. In the log display area WL of the extended area W2, the displayed screen information is deleted, and the screen information displayed in the normal area W1 is displayed. In the normal area W1, the latest screen information supplied from the host computer 2 is displayed.

  FIG. 10 is a diagram for explaining a display screen according to the first embodiment of the present invention. The window W0 displayed by the terminal emulator program 102 includes a title bar 141, a menu / toolbar 142, a screen display unit 143, a status display unit 144, an extended area scroll bar 145, and a normal area scroll bar 146.

The title bar 141 displays the title of the display screen. Menu / toolbar 142, for example of the order for switching and editing of the display screen, Note Table示域WM memo button 142a for setting a variety of log button 142b or the like for setting the log display area WL menu / Tool buttons are displayed. The screen display unit 143 includes a normal area W1 and an extended area W2. In the normal area W1, the latest screen information is displayed.

  The extended area W2 is composed of one or two areas. The extension area W2 is set as the memo display area WM by setting the memo button 142a of the menu / toolbar 142, and is set as the log display area WM by setting the log button 142b. Next, processing of the terminal emulator program 102 for realizing the above operation will be described.

  FIG. 11 is a flowchart showing the operation of the terminal emulator program according to the first embodiment of the present invention when an erase write command is received. When the terminal emulator program 102 receives an erase write command from the host computer 2, it first determines whether or not a log display operation is in progress (step S1-1).

  In step S1-1, if the log display operation is not in progress, the screen information stored in the screen buffer 16 is updated to the latest screen information supplied from the host computer 2 and re-entered in the normal area W1 set in the window W0. It is displayed (step S1-2). If the log display operation is being performed in step S1-1, the current screen information is stored in the recording screen storage unit 131 (step S1-3).

  After the current screen information is stored in the recording screen storage unit 131 in step S1-3, the screen information stored in the recording screen storage unit 131 is displayed in the extension area W2 set in the window W0 (step S1-4). In step S1-4, after the screen information stored in the recording screen storage unit 131 is displayed in the extended area W2 set in the window W0, the screen information stored in the screen buffer 16 is updated to the latest supplied from the host computer 2. The screen information is updated to the normal area W1 set in the window W0 (step S1-2).

  Here, processing when the current screen in step S1-3 is stored in the recording screen storage unit 131 will be described. FIG. 12 shows a processing flowchart when recording the current screen information of the terminal emulation program according to the first embodiment of the present invention. When recording the current screen information by the terminal emulator program 102, first, when the current screen information is recorded in the recording screen storage unit 131, it is determined whether or not the maximum number of recording screens of the recording screen storage unit 131 is exceeded (step S2). -1).

  When the current screen information is recorded in the recording screen storage unit 131 in step S2-1, if the maximum number of recording screens of the recording screen storage unit 131 is exceeded, the current screen information is stored in the top level of the recording screen storage unit 131. The screen information, that is, the oldest screen information is deleted (step S2-2). When the current screen information is recorded in the recording screen storage unit 131 in step S2-1, the maximum number of recording screens of the recording screen storage unit 131 is not exceeded, and in step S2-2, the maximum number of recording screen storage units 131 is recorded. After deleting the upper screen information, a copy of the current screen information is created (step S2-3).

  If a copy of the current screen information is created in step S2-3, it is next determined whether or not the memo display operation is valid (step S2-4). If the memo display operation is invalid in step S2-4, the screen information already stored in the recording screen storage unit 131 is moved to the recording area Mn + 1, which is one level higher, and then the bottom level. The screen information is stored in M1 (step S2-5).

  In step S2-4, if the memo display operation is valid, screen information other than the screen information for which the memo display operation of the recording screen storage unit 131 is valid is stored in the recording area Mn + 1 in the upper level. After the movement, the screen information is stored in the lowest level M1 (step S2-6). FIGS. 13 and 14 are diagrams for explaining the operation of the terminal emulator program according to the first embodiment of the present invention when recording current screen information. FIG. 13 is an operation explanatory diagram when the maximum number of recording screens stored in the recording screen storage unit 131 by adding the current screen information is not exceeded, and FIG. 14 is stored in the recording screen storage unit 131 by adding the current screen information. Operation | movement explanatory drawing in case a recording screen exceeds a maximum number is shown.

  The operation of steps S2-3 to S2-6 when the recording screen stored in the recording screen storage unit 131 in step S2-1 does not exceed the maximum number of recording screens that can be stored in the recording screen storage unit 131 will be described with reference to FIG. To do. 13A shows the state of the screen information in the screen buffer 16 and the recording screen storage unit 131 before the current screen information is stored in the recording screen storage unit 131, and FIG. 13B shows the current screen information in the recording screen storage unit 131. The state of the screen information of the recording screen storage unit 131 when it is added to the lowest area of FIG. 13, FIG. 13C shows the recording when the second area from the lowest area of the recording screen storage unit 131 is added to the current screen information. The screen information state of the screen storage unit 131 is shown.

  First, as shown in FIG. 13A, the current screen information is stored in the screen buffer 16 in step S2-1. Here, as shown in FIG. 13A, the recording screen storage unit 131 has recording screen areas M1 to Mn, and recording screens A to Q are recorded in the recording screen areas M1 to Mn-1. To do. When step S2-5 is executed in the state shown in FIG. 13A, the recording screens A to Q recorded in the recording screen areas M1 to Mn-1 as shown in FIG. The current screen information recorded in the recording screen area M 1 of the recording screen storage unit 131 is recorded in the recording screen area M 1.

  Thus, the current screen information stored in the screen buffer 16 is recorded in the lowest recording area M1 of the recording screen storage unit 131. Next, the case where step S2-6 is executed in the state shown in FIG. When step S2-6 is executed in the state shown in FIG. 13A, the recording screens B to Q recorded in the recording screen areas M2 to Mn-1 as shown in FIG. The current screen information recorded in the recording screen area M3 to Mn of the recording screen storage unit 131 is recorded while being shifted to the recording screen area M2 of the recording screen storage unit 131.

  Thus, the current screen information stored in the screen buffer 16 is recorded in the second lowest recording area M2 of the recording screen storage unit 131. In addition, FIG. 14 shows the operation of steps S2-3 to S2-6 when the recording screen stored in the recording screen storage unit 131 in step S2-1 exceeds the maximum number of recording screens that can be stored in the recording screen storage unit 131. explain.

  14A shows the state of the screen information in the screen buffer 16 and the recording screen storage unit 131 before the current screen information is stored in the recording screen storage unit 131, and FIG. 14B shows the current screen information in the recording screen storage unit 131. 14C shows the state of the screen information of the recording screen storage unit 131 when it is added to the lowest area of FIG. 14, and FIG. 14C shows the recording when the second area from the bottom of the recording screen storage unit 131 is added to the current screen information. The screen information state of the screen storage unit 131 is shown.

  First, as shown in FIG. 14A, the current screen information is stored in the screen buffer 16 in step S2-1. Here, the recording screen storage unit 131 has recording screen areas M1 to Mmax as shown in FIG. 13A, and recording screens A to R are recorded in the recording screen areas M1 to Mmax. When step S2-5 is executed in the state shown in FIG. 14A, the recording screen R recorded in the recording screen area Mmax is deleted as shown in FIG. The recording screens A to Q recorded in M1 to Mmax-1 are recorded by being shifted to the recording screen areas M2 to Mmax of the recording screen storage unit 131 and stored in the screen buffer 16 in the recording screen area M1 of the recording screen storage unit 131. Stored current screen information is recorded.

  Thus, the current screen information stored in the screen buffer 16 is recorded in the lowest recording area M1 of the recording screen storage unit 131. Next, the case where step S2-6 is executed in the state shown in FIG. When step S2-6 is executed in the state shown in FIG. 14A, the recording screen R recorded in the recording screen area Mmax is deleted as shown in FIG. The recording screens B to Q recorded in M2 to Mmax-1 are shifted and recorded in the recording screen areas M3 to Mmax of the recording screen storage unit 131, and are recorded in the recording screen area M2 of the recording screen storage unit 131 in the screen buffer 16. Stored current screen information is recorded.

  Thus, the current screen information stored in the screen buffer 16 is recorded in the second lowest recording area M2 of the recording screen storage unit 131. Next, the redisplay process of the extended area W2 in step S1-4 will be described. FIG. 15 shows a process flowchart of the extended area redisplay process of the terminal emulator program according to the first embodiment of the present invention.

  In the redisplay process of the extended area W2 in step S1-4, it is first determined whether or not the log display is in operation (step S3-1). If the log display is not in operation in step S3-1, it is next determined whether or not the memo display is in operation (step S3-2). If neither the log display nor the memo display operation is invalid in steps S3-1 and S3-2, the window W0 is displayed so that there is no extended area W2 as in the conventional case, that is, only the normal area W1 is displayed. Is controlled (step S3-3).

  If both the log display and the memo display are valid in steps S3-1 and S3-2, then all the screen information stored in the recording screen storage unit 131 in the extended area W2 of the window W0 is displayed. Is displayed (step S3-4). If all the screen information stored in the recording screen storage unit 131 can be displayed in the extended area W2 of the window W0 in step S3-4, all the screen information stored in the recording screen storage unit 131 is displayed in the window W0. Is displayed in the extended area W2 (step S3-5).

  If all the screen information stored in the recording screen storage unit 131 is not displayed in the extended area W2 of the window W0 in step S3-4, the screen information stored in the recording screen storage unit 131 is previously stored. Only the screen information for the maximum number of lines set in advance in the extension area W2 from the set display start line is displayed (step S3-6). The operation of the extended area redisplay process will be described with reference to the drawings.

  FIG. 16 and FIG. 17 are diagrams for explaining the operation at the time of displaying the extension area of the terminal emulator program according to the first embodiment of the present invention. FIG. 16 shows a display example when the screen information recorded in the recording screen storage unit 131 is less than the number of lines in the extension area W2, and FIG. 17 shows the screen information recorded in the recording screen storage unit 131 from the number of lines in the extension area W2. A display example when there are many is shown. 16A is a screen information storage state of the recording screen storage unit 131, FIG. 16B is a display state of the screen information of the recording screen storage unit 131 in the extended area W2, and FIG. 16C is a recording screen storage. Another display state in the extended area W2 of the screen information of the part 131 is shown.

  As shown in FIG. 16A, it is assumed that recording screens A and B each having 1 to 24 lines are recorded in the recording areas M1 and M2 of the recording screen storage unit 131, respectively. At this time, if the screen information recorded in the recording screen storage unit 131 is smaller than the number of lines in the extension area W2, the blank part C generated in the extension area W2 is erased. As shown in FIG. 16A, the recording screens A and B recorded in the recording screen storage unit 131 each have a screen configuration of 1 to 24 lines, and both the recording screens A and B have a screen configuration of 1 to 48 lines. Become.

  On the other hand, the extended area W2 is set to a screen configuration of 60 lines. For this reason, when recording screens A and B are displayed in the expansion area W2, lines 49 to 60 become blank portions C. When the blank portion C occurs, the blank portion C is deleted, and the expanded area W2 becomes 1 to 48 lines as shown in FIG. 16B, and both the recording screens A and B are displayed without the blank portion C. The As shown in FIG. 16C, the extension area W2 is left in the 1st to 60th lines, and the blank area C is displayed by displaying the recording screens A and B recorded in the recording screen storage unit 131 in the extension area W2. You may make it display on the expansion area W2 as it is. Thus, by displaying the blank portion C as it is, it is not necessary to change the number of lines in the extended area W2 in accordance with the sizes of the recording screens A and B, and the processing can be simplified.

  Further, as shown in FIG. 17A, it is assumed that recording screens A to C each having 1 to 24 lines are recorded in the recording areas M1 to M3 of the recording screen storage unit 131, respectively. At this time, if the screen information recorded in the recording screen storage unit 131 is larger than the number of lines set in advance in the extension area W2, the screen recorded in the recording screen storage unit 131 as shown in FIG. Screen information for the number of lines set in advance in the extension area W2 is extracted from the information and displayed. For example, it is assumed that the number of lines of the recording screens A to C recorded in the recording screen storage unit 131 includes 1 to 72 lines. At this time, if the number of lines in the extended area W2 is EXT lines, L to (L + EXT-1) lines are selectively displayed among 1 to 72 lines of the recording screens A to C recorded in the recording screen storage unit 131. Is done. The number of lines L is changed by operating the expansion area scroll bar 145, and the display of the recording screens A to C can be switched according to the number of lines L.

  Next, processing when a log start request is supplied from the host computer 2 to the terminal emulator program 102 will be described. FIG. 18 shows a process flowchart when a log start request is issued by the terminal emulator program according to the first embodiment of the present invention. When a memo start request is made from the host computer 2, the terminal emulator program 102 first determines whether or not a log display operation is in progress (step S4-1).

  If the log display operation is invalid in step S4-1, the log display operation is validated (step S4-2). Next, the current screen information displayed in the normal area W1 of the window W0 is stored in the recording screen storage unit 131 in accordance with the processing procedure for recording the current screen information already described with reference to FIG. 12 (step S4-3).

  Next, the start line of the log display of the screen recorded in the recording screen storage unit 131 to the extended area W2 of the window W0 is set to “1” (step S4-4). The screen recorded in the recording screen storage unit 131 from the start line set in step S4-4 is displayed according to the procedure of the extended area re-display process already described in FIG. 15 (step S4-5).

  If the log display operation is already being performed in step S4-1, the log operation is disabled next, and the process proceeds to step S4-4 (step S4-6). Next, processing when a memo start request is supplied from the host computer 2 to the terminal emulator program 102 will be described. FIG. 19 shows a processing flowchart when a memo start request is issued by the terminal emulator program according to the first embodiment of the present invention.

  When a memo start request is issued from the host computer 2, the terminal emulator program 102 first determines whether or not a memo display operation is in progress (step S5-1). If the memo display operation is invalid in step S5-1, the current screen information displayed in the normal area W1 of the window W0 is recorded on the recording screen storage unit 131 in accordance with the processing procedure for recording the current screen information already described with reference to FIG. (Step S5-2).

  After the current screen information is stored in the recording screen storage unit 131 in step S5-2, the memo display operation is validated (step S5-3). Next, the start line of the log display of the screen recorded in the recording screen storage unit 131 to the extended area W2 of the window W0 is set to “1” (step S5-4). The screen recorded in the recording screen storage unit 131 from the start line set in step S5-4 is displayed in accordance with the extended area redisplay processing procedure already described in FIG. 15 (step S5-5).

  If it is determined in step S5-1 that the memo display operation is already in progress, the memo display operation is invalidated and the process proceeds to step S5-4 (step S5-6). Next, the processing of the terminal emulator program 102 when the expansion area scroll operation is performed by the operator by the operation of the input device 10 will be described. FIG. 20 shows a processing flowchart at the time of expansion area scrolling by the operator of the terminal emulator program of the first embodiment of the present invention.

  As described above, the screen information is displayed from the start line set in step S6-1 according to the result obtained by the operator operating the input device 10 and scrolling the expansion area in the expansion area W2. FIG. 21 is a diagram for explaining the operation of the terminal emulator program according to the first embodiment of the present invention during scrolling in the extended area.

  During the memo display operation, the recording screen storage unit 131 is divided into a memo display region display screen storage unit 131a and a log display region display screen storage unit 131b. In the memo display area display screen storage unit 131a, recording screens of the recording screen areas M1 to MNn can be set from the upper level of the recording screen storage unit 131. In the log display area display screen storage unit 131b, recording screen areas MNn + 1 to Mmax are set below the memo display area display screen storage unit 131a.

  The extended area W2 is composed of EXT lines, and the boundary L1 between the log display area WL and the memo display area WM is between the memo display area display screen storage section 131a and the log display area display screen storage section 131b of the recording screen storage section 131. Set to boundary L2. When the extension area W2 is scrolled, the extension area W2 moves in the direction of arrow A, and the recording screen and the boundary L1 displayed in the extension area W2 move in the direction of arrow A. The boundary L1 moves in the direction of the arrow A2 when the expansion area W2 moves in the direction of the arrow A1, and the boundary L1 moves in the direction of the arrow A1 when the expansion area W2 moves in the direction of the arrow A2.

  FIG. 22 is a diagram for explaining a display example at the time of expansion area scrolling of the terminal emulation program according to the first embodiment of the present invention. In the figure, the same components as those in FIG. 10 are denoted by the same reference numerals, and the description thereof is omitted. FIG. 22A shows the window display screen when the width of the window W0 is the same as that of the recording screen, ie 80 digits, and FIG. 22B shows the window display screen when the width of the window W0 is less than 80 digits.

  As shown in FIG. 22A, when the width of the window W0 is 80 digits which is the same as the recording screen, the window W0 displayed by the terminal emulator program 102 includes the title bar 141, the menu / toolbar 142, and the screen display unit 143. , A status display unit 144, an extended area scroll bar 145, and a normal area scroll bar 146.

  The title bar 141 displays the title of the display screen. The menu / toolbar 142 includes various menu / tool buttons such as a memo button 142a for setting the memory display area WM and a log button 142b for setting the log display area WL for switching and editing the display screen. Is displayed. The screen display unit 143 includes a normal area W1 and an extended area W2. In the normal area W1, the latest screen information is displayed.

  The extended area W2 is composed of one or two areas. The extension area W2 is set as the memo display area WM by setting the memo button 142a of the menu / toolbar 142, and is set as the log display area WM by setting the log button 142b. As shown in FIG. 22B, when the width of the window W0 is less than 80 digits, which is the same as the recording screen, the window W0 displayed by the terminal emulator program 102 includes the title bar 141, the menu / toolbar 142, the screen display section. 143, status display section 144, extended area scroll bar 145, normal area scroll bar 146 and horizontal scroll bar 147 are displayed between normal area W1 and status display section 144, and can be scrolled in the direction of arrow B. It becomes.

  Next, the processing of the terminal emulator program 102 when the operator performs an operation to change the log screen of the extended area W2 of the window W0 to the memo screen by the operation of the input device 10 will be described. FIG. 23 shows a processing flowchart when the operator of the terminal emulator program according to the first embodiment of the present invention converts the log display screen into a memo display screen.

  The terminal emulator program 102 moves the instruction screen from the log display area to the memo display area when an instruction is given from the operator to the memo display screen by the input device 10 (step S7-1). Next, in step S7-1, the screen set in the recording screen storage unit 131 is displayed according to the procedure of the extended area re-display process already described in FIG. 15 (step S7-2).

  In addition, this invention is not limited to the said Example, It cannot be overemphasized that a various modified example can be considered in the range which does not deviate from the summary of this invention.

  As described above, the screen information set in the recording screen storage unit 131 in step S7-1 is displayed in the extended area W2 according to the result obtained by the operator operating the input device 10 and scrolling the extended area. become. FIG. 24 is a diagram for explaining the operation of the terminal emulator program according to the first embodiment of the present invention when the recording screen is moved. 24A shows the state of the recording screen holding unit 131 before movement, and FIG. 24B shows the state of the recording screen holding unit 131 after movement.

  The recording screen holding unit 131 has recording areas M1 to MSRC + 1, and recording screens A to S are recorded in the recording areas M1 to MSRC + 1. Here, consider the case where the recording screen S recorded in the recording area MSRC is moved to the recording area MDST. First, the recording screen S recorded in the recording area MSRC is read and held externally, and then the recording screens F to Q recorded in the recording areas MDST to MSRC-1 are shifted to the recording areas MDST + 1 to MSRC for recording. To do. Next, the recording screen S held outside is recorded in the recording area MDST.

  Thus, the movement of the recording screen S from the recording area MSRC to the recording area MDST is completed. Next, processing when the operator instructs to delete screen information by operating the input device 10 will be described. FIG. 25 shows a processing flowchart when the screen information is deleted by the operator of the terminal emulator program according to the first embodiment of the present invention.

When there is a screen information deletion instruction from the operator by operating the input device 10, the terminal emulator program 102 deletes the screen information for which the screen information deletion instruction has been received from the recording screen storage unit 131 (step S8-1).
Next, the remaining screens set in the recording screen storage unit 131 are displayed according to the extended area redisplay processing procedure already described with reference to FIG. 15 (step S8-2).

  FIG. 26 is a diagram for explaining the operation when the recorded screen is deleted when the current screen information is recorded in the terminal emulator program according to the first embodiment of the present invention. FIG. 26A shows the state of the recording screen storage unit 131 before deletion of the recording screen, and FIG. 26B shows the state of the recording screen storage unit 131 after deletion of the recording screen. The recording screen holding unit 131 has recording areas M1 to Mn, and recording screens A to R are recorded in the recording areas M1 to Mn.

  Here, consider a case where the recording screen F recorded in the recording area MDEL is deleted. First, the recording screen F recorded in the recording area MDEL is deleted. Next, the recording screens G to R recorded in the recording areas MDEL + 1 to Mn are shifted and recorded in the recording areas MDEL to Mn-1. As described above, the operator can operate the input device 10 to delete desired screen information from the recording screen storage unit 131.

  In the first embodiment, the log screen and the memo screen are managed by the same recording screen storage unit 131, but the log screen and the memo screen may be managed by separate recording screen storage units. FIG. 27 shows a functional block diagram of a terminal emulation program according to the second embodiment of the present invention. In the figure, the same components as those in FIG. The hardware configuration of the terminal device is the same as that shown in FIG.

  The terminal emulator program 201 according to the present embodiment includes a data analysis unit 14, a screen buffer 16, a data input unit 17, a data transmission unit 18, a recording screen storage unit 202, and a main control unit 203. The recording screen storage unit 202 of this embodiment includes a log recording screen storage unit 204 and a memo recording screen storage unit 205. The log recording screen storage unit 204 stores screen information for log display. The memo recording screen storage unit 205 stores screen information for memo display.

  The main control unit 203 includes a data display unit 206 and an extended area management unit 207. The data display unit 206 reads the screen information from the recording screen storage unit 202 in accordance with the management state of the extended area W2 by the extended area management unit 207, creates a screen display window W0, and displays it on the display 9. The extended area management unit 207 manages the setting of the extended area specified by the operation of the input device 10 and controls the data display unit 206 during display to display screen information.

  Next, the operation of the terminal emulator program 201 will be described. FIG. 28 is a diagram for explaining the operation of the terminal emulator program according to the second embodiment of the present invention. The extended area management unit 207 detects an operator's log display, memo display instruction operation or a command from the host computer 2, updates the screen information stored in the recording screen storage unit 202 and displays the screen according to the detection result. Control the display of information.

  The data display unit 206 controls the arrangement of the display screen according to the detection result in the extended area management unit 207. The data display unit 206 displays the current screen stored in the screen buffer 16 in the normal area W1 of the window W0 displayed on the display 9, and the log display area WL constituting the extended area W2 of the window W0 includes a log display area WL. The screen information stored in the recording screen storage unit 204 is displayed, and the screen information stored in the memo recording screen storage unit 205 is displayed in the memo display area WM constituting the extended area W2 of the window W0.

  The extended area management unit 207 stores the screen information supplied from the host computer 2 in the log recording screen storage unit 204 when the log display is instructed, and is supplied from the host computer 2 when the memo display is instructed. The stored screen information is stored in the memo recording screen storage unit 205. The log recording screen storage unit 204 includes a first log recording screen storage area T11, a second log recording screen storage area T12, and a third log recording screen storage area T13. The first log recording screen storage area T11 stores the latest screen information, the second log recording screen storage area T12 stores the previous screen information, and the third log recording screen storage. In the area T13, the previous screen information is stored.

  The memo recording screen storage unit 205 includes a first memo recording screen storage region T21, a second memo recording screen storage unit T22, and a third memo recording screen storage unit T23. Screens designated for memo display are stored in the first to second memo recording screen storage areas T21 to T23. Next, a state transition diagram of the display screen in the terminal emulator program 201 of this embodiment is shown.

  FIG. 29 shows a state transition diagram of the display screen of the terminal emulator program according to the second embodiment of the present invention. When the terminal emulator program 201 is activated and screen information is supplied from the host computer 2, the screen information supplied from the host computer 2 is displayed in the normal area W1 as shown in state S1.

  When the operator makes a log display start request and new screen information is supplied from the host computer 2, the screen information displayed in the normal area W1 in the state S1 as shown in the state S2 is displayed in the extended area W2. The information is displayed in the set log display area WL, and new screen information supplied from the host computer 2 is displayed in the normal area W1. In addition, when new screen information is supplied from the host computer 2 in the state S2, the screen information displayed in the normal area W1 in the state S2 as shown in the state S3 is the log display area in which the extended area W2 is set. The new screen information supplied from the host computer 2 is displayed in the normal area W1.

  When the memo display is instructed in the state S1, the memo display area WM is set in the extended area W2 as shown in the state S4. For example, the screen information displayed in the normal area W1 is displayed in the memo display area WM. . When screen information is newly supplied from the host computer 2 in the state S4, the screen information already stored in the normal area W1 is erased and the screen information newly supplied from the host computer 2 is displayed. . The screen information displayed in the memo display area WM is displayed as it is.

  In addition, when a log start request is received from the operator in the state S4 and new screen information is supplied from the host computer 2, a log display area WL is set in the expanded area W2 in addition to the memo display area WM. The screen information displayed in the normal area W1 is displayed in the newly set log display area WL, and the screen information newly supplied from the host computer 2 is newly displayed in the normal area W1.

  FIG. 30 shows a display screen of a terminal emulator program according to the second embodiment of the present invention. The window W0 displayed by the terminal emulator program 201 includes a title bar 211, a menu / toolbar 212, a screen display unit 213, a status display unit 214, a log display area scroll bar 215, a memo display area scroll bar 216, and a normal area scroll bar 217. Consists of

The title bar 211 displays the title of the display screen. Menu / toolbar 212, for example of the order for switching and editing of the display screen, Note Table示域WM memo button 212a for setting a variety of log button 212b or the like for setting the log display area WL menu / Tool buttons are displayed. The screen display unit 213 includes a normal area W1 and an extended area W2. In the normal area W1, the latest screen information is displayed.

  The extension area W2 is composed of one or two areas. The extension area W2 is composed of a memo display area WM set by operating the memo button 212a of the menu / toolbar 212 and a log display area WL set by operating the log button 212b. The normal area W1, the memo display area WM, and the log display area WL have scroll bars 215, 216, and 217, respectively, and the display area can be scrolled in each area.

  Next, processing of the terminal emulator program 201 for realizing the above operation will be described. FIG. 31 is a flowchart showing the operation of the terminal emulator program according to the second embodiment of the present invention when an erase write command is received. When the terminal emulator program 201 receives an erase write command from the host computer 2, it first determines whether or not a log display operation is in progress (step S9-1).

  In step S9-1, if the log display operation is not in progress, the screen information stored in the screen buffer 16 is updated to the latest screen information supplied from the host computer 2, and is restored to the normal area W1 set in the window W0. It is displayed (step S9-2). If the log display operation is being performed in step S9-1, the current screen information is stored in the log recording screen storage area 204 of the recording screen storage unit 202 (step S9-3).

  After the current screen information is stored in the log recording screen storage area 204 of the recording screen storage section 202 in step S9-3, the screen information stored in the log recording screen storage area 204 of the recording screen storage section 202 is stored in the window W0. It is displayed in the set expansion area W2 (step S9-4). In step S9-4, after the screen information stored in the recording screen storage unit 202 is displayed in the extension area W2 set in the window W0, the screen information stored in the screen buffer 16 is updated to the latest supplied from the host computer 2. The screen information is updated and displayed again in the normal area W1 set in the window W0 (step S9-2).

  Here, a process when the current screen in step S9-3 is stored in the recording screen storage unit 202 will be described. FIG. 32 is a process flowchart for recording current screen information of the terminal emulation program according to the second embodiment of the present invention. When the current screen information is recorded by the terminal emulator program 201, first, when the current screen information is recorded in the log recording screen storage unit 204 of the recording screen storage unit 202, the maximum number of recording screens of the log recording screen storage unit 204 is set. It is determined whether or not it exceeds (step S10-1).

  When the current screen information is recorded in the log recording screen storage unit 204 in step S10-1, if the maximum number of recording screens of the log recording screen storage unit 204 is exceeded, the log recording screen storage unit 204 The screen information stored at the top, that is, the oldest screen information is deleted (step S10-2). When the current screen information is recorded in the log recording screen storage unit 204 in step S10-1, if the maximum number of recording screens of the log recording screen storage unit 204 is not exceeded, and the log recording in step S10-2 After the screen information in the screen storage unit 204 is deleted, a copy of the current screen information is created and used as a new recording screen (step S10-3).

  In step S10-3, the set new recording screen is added to the log recording screen storage unit 204 (step S10-4). Next, the redisplay process of the log display area W1 of the extended area W2 in step S9-4 will be described. FIG. 33 shows a process flowchart of the extended area redisplay process of the terminal emulator program according to the second embodiment of the present invention.

  In the redisplay process of the log display area WL of the extended area W2 in step S9-4, it is first determined whether or not the log display is in operation (step S11-1). If the log display is not in operation in step S11-1, it is next determined whether or not the memo display is in operation (step S11-2). If the log display operation is not being performed in step S11-1, the display of the window W0 is controlled so that there is no extended area W2 as in the conventional case, that is, only the normal area W1 is displayed (step S11-2).

  If the log display operation is valid in step S11-1, it is next determined whether or not all screen information stored in the log recording screen storage unit 204 can be displayed in the extended area W2 of the window W0. (Step S11-3). If all the screen information stored in the log recording screen storage unit 204 can be displayed in the expansion area W2 of the window W0 in step S11-3, the screen information stored in the log recording screen storage unit 204 is stored. All are displayed in the extended area W2 of the window W0 (step S11-4).

  If all the screen information stored in the log recording screen storage unit 204 is not displayed in step S11-4 in the extended area W2 of the window W0, the screen information stored in the log recording screen storage unit 204 is displayed. Only the screen information corresponding to the maximum number of lines set in advance for the log display area WL from the display start line set in advance is displayed (step S11-5).

  Next, processing when a log start request is supplied from the host computer 2 to the terminal emulator program 201 will be described. FIG. 34 shows a processing flowchart at the time of log start request of the terminal emulator program of the first embodiment of the present invention. When a memo start request is issued from the host computer 2, the terminal emulator program 201 first determines whether or not a log display operation is in progress (step S12-1).

  If the log display operation is invalid in step S12-1, the log display operation is validated (step S12-2). Next, the current screen information displayed in the normal area W1 of the window W0 is stored in the log recording screen storage unit 204 in accordance with the processing procedure for recording the current screen information already described with reference to FIG. 32 (step S12-3).

  Next, the start line of the log display of the screen recorded in the log recording screen storage unit 204 for the expansion area W2 of the window W0 is set to "1" (step S12-4). The screen recorded in the log recording screen storage unit 204 from the start line set in step S12-4 is displayed in accordance with the log display area redisplay processing procedure described in FIG. 33 (step S12-5).

  If it is determined in step S12-1 that the log display operation is already in progress, the log operation is disabled next, and the process proceeds to step S12-4 (step S12-6). Next, processing when a memo start request is supplied from the host computer 2 to the terminal emulator program 201 will be described. FIG. 35 shows a processing flowchart when a memo start request is issued by the terminal emulator program according to the second embodiment of the present invention.

  When a memo start request is issued from the host computer 2, the terminal emulator program 205 first determines whether or not a memo display operation is in progress (step S13-1). If the memo display operation is invalid in step S13-1, the memo display operation is validated (step S13-2). After the memo display operation is validated in step S13-2, the current screen information displayed in the normal area W1 of the window W0 is converted into a memo recording screen storage section in accordance with the recording processing procedure of the memo display area WM of the current screen information described later. It stores in 205 (step S13-3).

  Next, the display start line of the log display of the screen recorded in the recording screen storage unit 131 in the extended area W2 of the window W0 is set to “1” (step S13-4). The screen recorded in the memo recording screen storage unit 205 from the display start line set in step S13-4 is displayed in accordance with the procedure of the extended area redisplay process described later (step S13-5).

  If it is determined in step S13-1 that the memo display operation is already in progress, the memo operation is disabled next, and then the process proceeds to step S13-4 to cancel the memo display operation (step S13-6). Next, the operation for recording the current screen in step S13-3 in the memo recording screen storage unit 205 will be described.

  FIG. 36 shows a processing flowchart when the current screen of the terminal emulator program of the second embodiment of the present invention is recorded in the memo recording screen storage unit. When the terminal emulator program 201 records the current screen in the memo recording screen storage unit 205, the screen information that can be stored in the memo recording screen storage unit 205 when the screen information is newly recorded is the maximum number of screens. Is determined (step S14-1).

  Next, the redisplay process of the memo display area W2 in step S13-5 will be described. FIG. 37 shows a flowchart of the memo display area redisplay process of the terminal emulator program according to the second embodiment of the present invention. When an instruction for redisplaying the memo display area W2 of the current screen information is supplied in step S13-5, the terminal emulator program 201 first determines whether or not the memo display operation is in progress (step S15-1).

If it is determined in step S15-1 that the memo display operation is not in progress, the window W0 is displayed so as to eliminate the memo display area W2 (step S15-2). If it is determined in step S15-1 that the memo display is being performed, it is next determined whether or not all screen information can be displayed in the memo display area W2 (step S15-3). In step S15-3, the size relationship between the maximum number of lines in the memo display area W2 and the preset memo display start line is compared. That is, (the maximum number of lines in the memo display area W2)> = (the memo display start line)
Determine whether or not. If the maximum number of lines in the memo display area W2 is larger than the memo display start line, it can be determined that all the screen information recorded in the memo recording screen storage unit 205 can be displayed in the memo display area W2. If the maximum number of lines in the memo display area W2 is smaller than the memo display start line, it can be determined that not all screen information recorded in the memo recording screen storage unit 205 can be displayed in the memo display area W2.

  If it is determined in step S15-3 that all the screen information recorded in the memo recording screen storage unit 205 can be displayed in the memo display area W2, the lines in the memo display area are set from the preset memo display start line. Screen information is displayed for several minutes (step S15-4). If the maximum number of lines in the memo display area W2 is smaller than the memo display start line in step S15-3, it is determined that not all screen information recorded in the memo recording screen storage unit 205 can be displayed in the memo display area W2. If so, the preset memo display start line to the end of the memo recording screen are displayed (step S15-5).

  Next, processing of the terminal emulator program 201 when the operator scrolls the log display area WL by operating the input device 10 will be described. FIG. 38 shows a process flowchart when the log display area is scrolled by the operator of the terminal emulator program according to the second embodiment of the present invention.

  When the operator performs a scroll operation on the log display area W2 by the input device 10, the terminal emulator program 205 sets the display start line to “± 1” according to the scroll direction (step S16-1). The screen recorded in the recording screen storage unit 131 from the display start line set in step S16-1 is displayed in accordance with the procedure of the redisplay process of the log display area WL already described with reference to FIG. 33 (step S16-2).

  The screen information is displayed in the log display area W2 from the start line set in step S16-1 according to the result obtained by the operator operating the input device 10 and scrolling the log display area W2 in the log display area W2. Is completed. Next, processing when the operator instructs to delete screen information by operating the input device 10 will be described.

  Next, an operation when the log screen of the extension area W2 of the window W0 is deleted from the operator by operating the input device 10 will be described. FIG. 39 shows a processing flowchart when the screen information in the log display area is deleted by the operator of the terminal emulator program according to the second embodiment of the present invention. In the terminal emulator program 201, when the operator operates the input device 10 to instruct deletion of the log display area, first, the screen information stored in the log recording screen storage unit 204 is deleted (step S17-1). The deleted screen information is redisplayed by the redisplay processing of the log display area WL described with reference to FIG. 33 (step S17-2).

  Next, a processing flowchart when the operator instructs to scroll the memo display area WM is shown. FIG. 40 shows a processing flowchart when the memo display area is scrolled by the operator of the terminal emulator program according to the second embodiment of the present invention. In the terminal emulator program 201, when the operator operates the input device 10 to instruct to scroll the memo display area WM, first, the start line of the memo display area WM is “± 1” according to the scroll direction ( Step S18-1).

  Next, the memo display area WM is redisplayed by the redisplay process of the memo display area WM described in FIG. 37 (step S18-1). Next, the processing of the terminal emulator program when the operator instructs to delete the memo display area WM will be described. FIG. 41 shows a processing flowchart when the memo display area is deleted by the operator of the terminal emulator program according to the second embodiment of the present invention.

  In the terminal emulator program 201, when the operator operates the input device 10 to instruct deletion of the memo display area WL, first, the screen information recorded in the memo recording screen storage unit 205 is deleted (step S19-). 1). When the screen information recorded in the memo recording screen storage unit 205 is deleted in step S19-1, the memo display area WM is redisplayed by the redisplay processing of the memo display area WM described in FIG. S19-2).

  Next, processing when the input device 10 is operated by the operator and the screen information displayed in the log display area WL is moved to the memo display area WM will be described. FIG. 42 shows a processing flowchart for converting the memo screen information into log screen information by the operator of the terminal emulator program according to the second embodiment of the present invention. In the terminal emulator program 201, when the input device 10 is operated by the operator and the movement of the screen information displayed in the log display area WL to the memo display area WM is instructed, the instructed screen information is first recorded in the log. The screen storage unit 204 moves to the memo recording screen storage unit 205 (step S20-1).

  Next, the log display in which the screen information moved from the log recording screen storage unit 204 to the memo recording screen storage unit 205 in step S20-1 is deleted by the redisplay processing of the log display area WL described in FIG. The area WL is displayed again (step S20-2). Also, the memo display area to which the screen information moved from the log recording screen storage unit 204 to the memo recording screen storage unit 205 in step S20-1 is added by the redisplay process of the memo display area WM described in FIG. WM is displayed again (step S20-3). In addition, you may process in the reverse order to step S20-2 and S20-3.

  Thus, the screen information in the log display area WL is moved to the memo display area WM. FIG. 43 is a diagram for explaining the recording screen movement processing operation of the terminal emulator program according to the second embodiment of the present invention. 43A shows the state of the log recording screen storage unit 204 and the memo recording screen storage unit 205 before movement, and FIG. 43B shows the log recording screen storage unit 204 and memo recording screen storage unit after movement. 205 shows the state.

  As shown in FIG. 43A, the log recording screen storage unit 204 has recording areas L1 to LLN, and recording screens A0 to G are recorded in the recording areas L1 to LLN. The memo recording screen storage unit 205 has recording areas M1 to MMN, and recording screens P0 to VV are recorded in the recording areas M1 to MMN. Here, a case where the recording screen C recorded in the recording area LSRC of the log recording screen storage unit 204 in FIG. 43A is moved to the recording area MDST of the memo recording screen storage unit 205 will be described.

  First, the recording screen C recorded in the recording area LSRC of the log recording screen storage unit 204 is read, and the recording screens D to G recorded in the recording areas LSRC + 1 to LLN of the log recording screen storage unit 204 are recorded. Shift to LSRC to LN-1 and record. Subsequently, the recording screens Q to V recorded in the recording areas MDST to MMN of the memo recording screen holding unit 205 are shifted and recorded in the recording areas MDST + 1 to MMN + 1. Further, the recording screen C read from the log recording screen storage unit 204 is recorded in the recording area MDST.

  Thus, the recording screen C stored in the log recording screen storage unit 204 moves to the recording area MDST of the memo recording screen storage unit 204 as shown in FIG. Next, the relationship between the log recording screen storage unit 204 and the memo recording screen storage unit 205 of the present embodiment and the extended area W2 will be described. FIG. 44 is a diagram for explaining the relationship between the log recording screen storage unit and the memo recording screen storage unit and the expansion area according to the second embodiment of the present invention. 44A shows the state of the log recording screen storage unit 204, FIG. 44B shows the state of the memo recording screen storage unit 205, and FIG. 44C shows the display state of the expansion area W2.

  In the log recording screen storage unit 204, recording screens A to D are recorded in the recording areas L1 to LLM as shown in FIG. In the memo recording screen storage unit 205, recording screens E to H are recorded in the recording areas M1 to MMM, as shown in FIG. In the log display area WL of the extension area W2, the range of the recording screen of the number of lines LE set in advance in the log display area WL from the recording screens A to D recorded in the log recording screen storage unit 204 is selected. Is displayed. In the memo display area WM of the expansion area W2, the range of the recording screen of the number ME of lines preset in the memo display area WM is selected from the recording screens E to H recorded in the memo recording screen storage unit 205, Is displayed.

  Next, slip processing to which the terminal emulator program of the first and second embodiments is applied will be described. FIG. 45 is an operation explanatory view of the first slip processing to which the terminal emulator program of the first and second embodiments of the present invention is applied. When the terminal emulator program is started in the terminal device 101, for example, screen information as shown in a screen 1-1 in FIG. 45 is supplied from the host computer 2 and displayed on the display 9 of the terminal device 101. Here, if the log display mode is not selected, the input is started in the normal area display state of the screen 1-1.

  When “A123” is input as a product code on the screen 1-1 in the normal area display state and the enter key is operated, the input product code “A123” is supplied to the host computer 2 and the corresponding screen information of the host computer 2 is displayed. Is updated, screen information for prompting the next quantity input is supplied and displayed from the host computer 2 as shown in the screen 1-2.

  When “40” is input as the quantity on the screen 1-2, the product code and quantity are displayed as shown on the screen 1-3. When the enter key is input on the screen 1-3, the quantity “40” is supplied to the host computer 2, the screen information of the host computer 2 is updated, and then the next screen information is supplied from the host computer 2. 1 is displayed. Further, when the key [PF3] is operated on the screen 1-3, the quantity “40” is supplied to the host computer 2, the screen information of the host computer 2 is updated, the screen 3 is displayed, and the slip processing ends.

  When a log start request is made in the state of the screen 1-1, a normal area W1 is displayed at the bottom and an extended area W2 is displayed at the top, as shown on the screen 1-1 '. When "A123" is input as a product code on the screen 1-1 'and the enter key is operated, the input product code "A123" is supplied to the host computer 2, and the corresponding screen information is updated in the host computer 2. Thereafter, as shown on the screen 1-2 'from the host computer 2, screen information for prompting the next input of quantity is supplied and displayed.

  When “40” is input as the quantity on the screen 1-2 ′, the product code and the quantity are displayed as shown on the screen 1-3 ′. When the enter key is input on the screen 1-3 ′, the quantity “40” is supplied to the host computer 2, the screen information of the host computer 2 is updated, the next screen information is supplied from the host computer 2, and the screen 2 -1 is displayed. At this time, the screen 1-3 ′ on which the product code “A123” and the quantity “40” are input is stored in the expansion area W2, and the next input is supplied from the host computer 2 to the normal area W1 and displayed.

  Further, when the key [PF3] is operated on the screen 1-3 ′, the quantity “40” is supplied to the host computer 2, the screen information of the host computer 2 is updated, and then the product code “A123” and the quantity “40” are displayed. On the input screen 1-3 ', the screen 3 stored in the expansion area W2 is displayed, and the slip processing ends. By making a log display request as described above, the previously entered screen information is displayed in the extended area W2, and the next input screen is displayed in the normal area W1, so the screen information displayed in the extended area W2 The product code and quantity can be entered in the normal area W1. For this reason, it becomes possible to input information accurately.

  The screen information displayed in the normal area W1 and the extended area W2 is not limited to the input screen, and may be a help screen. FIG. 46 shows an operation explanatory diagram of the second slip processing to which the terminal emulator program of the first and second embodiments of the present invention is applied. When the terminal emulator program is started in the terminal device 101, for example, screen information as shown in a screen 1-1 in FIG. 46 is supplied from the host computer 2 and displayed on the display 9 of the terminal device 101. Here, when the key “PF8” is input, the product code guidance screen information is supplied from the host computer 2 and a screen as shown in the screen 4 is displayed.

  Here, if the enter key is entered without selecting the log display mode, the screen 2-1 is displayed in the normal area W1. When “A123” is input as a product code on the screen 2-1 in the normal area display state and the enter key is operated, the input product code “A123” is supplied to the host computer 2 and the corresponding screen information of the host computer 2 is displayed. Is updated, the next input screen 5-1 is displayed from the host computer 2 as shown on the screen 2-2.

  Further, when a memo start request is made in the state of the screen 4, as shown on the screen 1-1 ', the product code guide screen displayed in the lower area in the normal area W1 is displayed in the upper area W2. When the enter key is operated on the screen 1-1 ', the input screen is called from the host computer 2, the product code guidance screen is displayed in the upper extended area W2, and the product code input screen is displayed in the normal area W1. -2 "is displayed. When the product code" A123 "is input to the product code input screen displayed in the normal area W1 on the screen 1-2" and the enter key is input, the product code input screen is displayed. Is supplied to the host computer 2 and the corresponding screen information is updated in the host computer 2, and then the next product code input screen is supplied from the host computer 2 to the normal area W1 as shown in the screen 5-1 'and displayed. Is done.

  At this time, the merchandise code guidance screen displayed in the expansion area W2 is a memo display and is not changed. Therefore, since the product code can be input while viewing the product code guide screen, the product code can be input accurately. The input screen may be a command input screen as well as a product code input screen.

  FIG. 47 is an explanatory diagram of the operation of the third slip processing to which the terminal emulator program of the first and second embodiments of the present invention is applied. When the terminal emulator program is started in the terminal device 101, command input screen information as shown in a screen 6-1 in FIG. 45 is supplied from the host computer 2 and displayed on the display 9 of the terminal device 101. Here, if the log display mode is not selected, the input is started in the normal area display state of the screen 6-1.

  When the enter key is operated on the screen 6-1 in the normal area display state, the command input on the command input screen is supplied to the host computer 2, and the host computer 2 performs processing corresponding to the command. The host computer 2 supplies the processing result corresponding to the command to the terminal device 101, and a display is made to the effect that the screen specified on the screen 6-1 as shown in the screen 6-2, for example, has not been found.

  When the key “PA2” is input on the screen 6-2, the interrupt switching screen 7-1 is supplied from the host computer 2 and displayed. When the file name display command “DSPFILE” is input on the interrupt display screen 7-1 and the enter key is input, the file list screen 8-1 is supplied from the host computer 2 and displayed. When the file list screen 8-1 is displayed and the file name is confirmed and then the key “PA2” is entered, the screen returns from the interrupt screen to the original command input screen 9-1. Here, the command input is further continued by inputting the file name confirmed on the file list screen 8-1.

  When a log start request is made in the state of the screen 6-1, the normal area W1 is displayed at the bottom and the expansion area W2 is displayed at the top as shown in the screen 6-1 '. When the enter key is operated on the screen 6-1 ′, the input command is supplied to the host computer 2, and the host computer 2 performs processing according to the command. The host computer 2 supplies the processing result corresponding to the command to the terminal device 101, and displays, for example, that the screen designated in the normal area W1 has not been found as shown in the screen 6-2 '.

  When the key “PA2” is entered on the screen 6-2 ′, an interrupt switching screen is supplied from the host computer 2 as shown on the screen 7-1 ′ and displayed in the normal area W1. Further, the screen when the command is input on the screen 6-1 'is displayed in the expansion area W2. When the file name display command “DSPFILE” is input to the normal area W1 and the enter key is input, a file list screen is displayed in the normal area W1 as shown on the screen 8-1 ′. At this time, the screen displayed in the normal area W1 of the screen 7-1 'is displayed in the extended area W2.

  When the key “PA2” is entered on the screen 8-1 ′, the normal area W1 returns to the original command input screen as shown on the screen 9-1 ′. At this time, the file list screen displayed in the normal area W1 on the screen 8-1 'is displayed in the expansion area W2. On the screen 9-1 ', the file name can be input to the command input screen displayed in the normal area W1 while viewing the file list screen in the expansion area W2, so that the file name can be input accurately.

  In the first embodiment, the screen information displayed in the normal area W1 is stored in the recording screen storage section 131 as shown in FIG. 8, but the screen information stored in the screen buffer 16 as in the second embodiment. May be stored in the recording screen storage unit 131 as current screen information. In the second embodiment, the screen information stored in the screen buffer 16 is stored in the recording screen storage unit 131 as the current screen information as shown in FIG. 28. However, as in the first embodiment, the normal area is used. The screen information displayed in W1 may be stored in the recording screen storage unit 131.

It is a system block diagram of an example of the past. It is a functional block diagram of a conventional terminal emulator program. It is operation | movement explanatory drawing of the conventional terminal emulator program. It is a figure for demonstrating the display screen of the conventional terminal device. It is a system configuration figure of the 1st example of the present invention. It is a block block diagram of the terminal device of 1st Example of this invention. It is a functional block diagram of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing of the terminal emulator program of 1st Example of this invention. It is a state transition diagram of the display screen of the terminal emulator program of the first embodiment of the present invention. It is a figure which shows the display screen of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the erase command reception of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the present screen information recording of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing when the number of recording screens of a recording screen preservation | save part does not exceed the maximum number by the addition of the current screen information at the time of recording the current screen information of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing when the number of recording screens of a recording screen preservation | save part exceeds the maximum number by adding the present screen information at the time of recording the present screen information of the terminal emulator program of 1st Example of this invention. It is a process flowchart of the expansion area redisplay process of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing at the time of the expansion area display of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing at the time of the expansion area display of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the log start request | requirement of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the memo start request | requirement of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the expansion area scroll by the operator of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing at the time of the expansion area scroll by the operator of the terminal emulator program of 1st Example of this invention. It is a figure for demonstrating the example of a display at the time of the expansion area scroll by the operator of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of log display screen by the operator of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing at the time of the recording screen movement of the terminal emulator program of 1st Example of this invention. It is a process flowchart at the time of the screen information deletion by the operator of the terminal emulator program of 1st Example of this invention. It is operation | movement explanatory drawing at the time of the recording screen deletion at the time of current screen information recording of the terminal emulator program of 1st Example of this invention. It is a functional block diagram of the terminal emulator program of 2nd Example of this invention. It is operation | movement explanatory drawing of the terminal emulator program of 2nd Example of this invention. It is a state transition diagram of the display screen of the terminal emulator program of 2nd Example of this invention. It is a figure which shows the display screen of the terminal emulator program of 2nd Example of this invention. It is an operation | movement flowchart at the time of erase-write command reception of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the present screen information recording of the terminal emulator program of 2nd Example of this invention. It is a process flowchart of the redisplay process of the log display area of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the log start request | requirement of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the memo start request | requirement of the terminal emulator program of 2nd Example of this invention. It is a processing flowchart when recording the present screen of the terminal emulator program of 2nd Example of this invention in the recording screen storage part for memos. It is a process flowchart at the time of redisplay of the memo display area of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the scroll of the log display area by the operator of the terminal emulator program of 2nd Example of this invention. It is a processing flowchart at the time of deletion of the screen information of a log display area by the operator of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the memo display area scroll by the operator of the terminal emulator program of 2nd Example of this invention. It is a process flowchart at the time of the screen information deletion of the memo display area by the operator of the terminal emulator program of 2nd Example of this invention. It is a process flowchart of memo screen informationization of the log screen information by the operator of the terminal emulator program of 2nd Example of this invention. It is a figure for demonstrating the recording screen movement process operation | movement of the terminal emulator program of 2nd Example of this invention. It is a figure for demonstrating the relationship between the log recording screen storage part of the terminal emulator program of 2nd Example of this invention, the memo recording screen storage part, and an expansion area. It is operation | movement explanatory drawing of the 1st slip process to which the terminal emulator program of the 1st and 2nd Example of this invention is applied. It is operation | movement explanatory drawing of the 2nd slip process to which the terminal emulator program of the 1st and 2nd Example of this invention is applied. It is operation | movement explanatory drawing of the command processing to which the terminal emulator program of the 1st and 2nd Example of this invention is applied.

Explanation of symbols

2 Host computer 4 Communication line 5 Program 6 OS
7 Communication Card 9 Display 10 Input Device 10a Keyboard 10b Mouse 11 Communication Card 12 OS
100, 200 System 101 Terminal device 102 Terminal emulator program 111 CPU
112 ROM
113 RAM
114 HDD
115 FDD
116 CD-ROM
117 (10a) Keyboard 118 (10b) Mouse 119 Input interface circuit 120 (9) Display 121 Display control unit 122 (11) Communication device 123 Bus 131 Recording screen storage unit 132 Main control unit 133 Extension area management unit

Claims (9)

A terminal device including a host device, an input device operated by an operator, and a display device for displaying information, and receiving information transmitted from the host device by the operation of the input device by the operator and displaying the information on the display device In an information processing system having
The terminal device receives an input of information from the host device; and
A processing unit that generates screen information to be displayed on the display device based on the information received by the input unit;
Of the screen information generated by the processing unit, a first storage unit that holds the latest screen information;
Of the screen information generated by the processing unit, a second storage unit that holds screen information that is not the latest screen information ;
A third storage unit that holds any one of the screen information stored in the first or second storage unit;
A display processing unit for displaying the screen information held in the first to third storage units in a window set in the display device;
The window displayed on the display device by the display processing unit includes first to third display areas,
In the first display area, the latest screen information held in the first storage unit is displayed,
In the second display area, screen information that is not the latest screen information held in the second storage unit is displayed,
In the third display area, the latest image information stored in the third storage unit or screen information that is not the latest image information is displayed on the processing unit based on an operation of the input device by the operator. An information processing system that can be changed and displayed. The information processing system according to claim 1, wherein the display processing unit selectively displays the first to third display areas in accordance with an operation of the input device by the operator . The display processing unit of the second multiple screen information that is not the latest screen information stored in the storage unit, according to claim 1 or 2 to display any screen information to the second display region Information processing system described in 1. The display processing unit immediately before the screen information that is not the latest image information held in the second storage unit among the latest screen information held in the first storage unit is updated. The information processing system according to claim 3, wherein the screen information displayed in the second display area is displayed in the first display area. The display processing unit sets any one screen information among a plurality of screen information that is not the latest image information stored in the second storage unit to the second display area, and updates the screen information. 2. The information processing system according to claim 1, wherein the information is continuously displayed regardless. The display processing unit initially displays the same screen information in the first display area and the second display area, and is updated to the first display area when the screen information is updated. The information processing system according to claim 1, wherein screen information is displayed. The information processing system according to claim 1, wherein the display processing unit continuously displays screen information in a state before starting update processing in the second display area. In a terminal device that includes an input device operated by an operator and a display device that displays information, receives information transmitted from a host device by the operation of the input device by the operator, and displays the information on the display device.
An input unit for receiving input of the information;
A processing unit that generates screen information to be displayed on the display device based on the information received by the input unit;
A first storage unit that holds the latest screen information among the screen information generated by the processing unit;
Of the screen information generated by the processing unit, a second storage unit that holds screen information that is not the latest screen information ;
A third storage unit that holds any one of the screen information stored in the first or second storage unit;
A display processing unit for displaying the screen information held in the first to third storage units in a window set in the display device;
The window displayed by the display processing unit includes first to third display areas,
In the first display area, the latest screen information held in the first storage unit is displayed,
In the second display area, screen information that is not the latest image information held in the second storage unit is displayed,
In the third display area, the latest image information stored in the third storage unit or screen information that is not the latest image information is displayed on the processing unit based on an operation of the input device by the operator. changeably, terminal display device by. A terminal device including a host device, an input device operated by an operator, and a display device for displaying information, and receiving information transmitted from the host device by the operation of the input device by the operator and displaying the information on the display device In an information processing system display control method comprising:
The terminal device includes a processing unit, first to third storage units, and a display processing unit.
The terminal device causes the processing unit to generate screen information to be displayed on the display device based on information transmitted from the host device;
Causing the display processing unit to store the latest screen information among the screen information generated by the processing unit in the first storage unit;
Causing the display processing unit to store screen information that is not the latest screen information among the screen information generated by the processing unit in the second storage unit;
Causing the display processing unit to hold any one of the screen information stored in the first or second storage unit in a third storage unit;
Displaying the screen information held in the first to third storage units in a window set in the display device on the display processing unit,
The window displayed by the display processing unit includes first to third display areas,
The display processing unit displays the latest screen information in the first display area,
Screen information that is not the latest image information is displayed in the second display area;
In the third display area, the latest image information stored in the third storage unit or screen information that is not the latest image information is displayed by the processing unit based on the operation of the input device by the operator. changeably display control method for an information processing system to be displayed.

Images