edit.doc

MMURTL(tm) Computer Operating System Ver x0.8, source code.

Copyright (c) 1991-1993, R.A. Burgess

The editor is a very simple in memory editor.

The describes all implemented commands.
The buffer is limited to 64K right now. 
Make it larger if you like.

KEYS and COMMANDS

NON-Editing keys and Commands:

  ALT S (s) - Saves changes to current file
  ALT C (c) - Closes & Saves current file
  ALT O (o) - Open a new file

  Insert - Toggles Insert & Overtype mode
  Escape - Exits editor and saves current file

  ALT V (v) - Make nontext chars Visible/Invisible (toggle)


Cursor and Screen movement:

  Page Down (one full screen)
  Page Up   (one full screen)

  Up     - Cursor up one line (scroll down if needed)
  Down	  - Cursor down one line (scroll up if needed)
  Left	  - Cursor left one column (no wrap)
  Right  - Cursor right one column (no wrap)

  ALT-B (b) -- Goto Beginning of Text
  ALT-E (e) -- Goto End of Text

  ALT UP Arrow - Cursor to top of screen
  ALT Down Arrow - Cursor to bottom of screen
  ALT Left Arrow (Home) - Cursor to beginning of line
  ALT Right Arrow (End) - Cursor to end of line

  SHIFT Right - Cursor to cursor + 5 spaces
  SHIFT Left  - Cursor to cursor - 5 spaces


Block Commands:

  F3 -- Begin Block (Mark)
  F4 -- End Block (Bound)
  F2 -- Unmark block (no block defined or highligeted)

  F9  - MOVE marked block to current cursor position
  F10 - COPY marked block to current cursor position

  ALT Delete - Delete Marked Block


Other Editing Key:

  Delete - Delete character at current cursor position

  Backspace - Destructive in Insert Mode (INS)
              Non-destructive in Overtype mode (OVR)

  Tab - Pseudo tab every 4 columns (space filled)

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