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- COMMAND: BACKSCRL (Back Scroll) DOCUMENTATION : On-line
-
- FUNCTION: Creates a variable-length circular screen buffer to permit scrolling
- forward and backward through recently displayed data.
-
- FORMAT: BACKSCRL m,n
-
- TYPE: User supported software (The Kampro Group,PO Box 90654,
- Honolulu, Hawaii 96835)
-
- REMARKS: m is an integer from 1-28 to specify the number of screen pages to
- be buffered. Each screen takes 2000 bytes of memory.(Default=4)
- n is an integer from 1-25 to specify the number of lines that will
- be scrolled at one time.(Default=25)
- BACKSCRL is installed as an extension to DOS from the DOS prompt or
- from an AUTOEXEC.BAT file. Once installed, its action is transparent
- to any application program and it can be activated at any time by
- pressing Ctrl-Space Bar. The current operation is suspended and the
- current screen display is saved. A number wil appear in the upper
- right corner of the display indicating the number of the current line
- in the screen buffer, counting from the last line. BACKSCRL only
- supports 80 column text mode displays in either color or monochrome.
- The following commands are available in BACKSCRL:
-
-
- Ctrl-Space Bar: Activates the scrolling function of BACKSCRL.
- Ctrl-Return: Stores the current screen in the buffer and returns to the
- current operation.
-
- Home: Moves the cursor up one line in the buffer.
- End: Moves the cursor down one line in the buffer.
-
- Cursor Up: Scrolls the screen up one line at a time.
- Cursor Down: Scrolls the screen down one line at a time.
-
- Page Up: Scrolls the buffer up one page at a time.
- Page Down: Scrolls the buffer down one page at a time.
-
- Minus (-): Marks the beginning of a block to be printed.
- Plus (+): Marks the end of a block to be printed.
- PrtSc: Prints the marked block on LPT1.
-
- Space Bar Terminates the scrolling function. The suspended operation
- or Return: is continued from the point that it was suspended.
-
-