PLASMA/doc/Editor.md

      WELCOME TO PLASMA!
      ==================

FIRST THINGS FIRST: TO NAVIGATE, USE THE ARROW KEYS. ON THE APPLE ][:

CTRL-K = UP CTRL-J = DOWN.

TO JUMP AROUND THE TEXT FILE USE:

CTRL-W = JUMP UP CTRL-Z = JUMP DOWN CTRL-A = JUMP LEFT CTRL-S = JUMP RIGHT

CTRL-Q = JUMP BEGINNING CTRL-E = JUMP END

THE 'ESCAPE' KEY WILL PUT YOU IN COMMAND MODE. FROM THERE YOU CAN EXIT BY ENTERING 'Q' AND 'RETURN'. YOU CAN ALSO RETURN TO THE EDITOR BY JUST PRESSING 'RETURN'.

---

THE PLASMA EDITOR IS A SIMPLE TEXT EDITOR FOR ENTERING AND MANIPULATING TEXT AND SOURCE CODE FILES. THE EDITOR ONLY SUPPORTS 40 COLUMN TEXT ALTHOUGH LINES CAN BE UP TO 79 CHARACTERS LONG. THE SCREEN WILL SCROLL HORIZONTALLY AS THE CURSOR MOVES. THERE IS 16K OF MEMORY FOR THE TEXT BUFFER.

IT HAS TWO MODES, COMMAND AND EDIT.

EDIT COMMANDS:

LEFT ARROW  = MOVE CHAR LEFT
RIGHT ARROW = MOVE CHAR RIGHT
UP ARROW    = MOVE LINE UP
DOWN ARROW  = MOVE LINE DOWN
CTRL-K      = MOVE LINE UP
CTRL-J      = MOVE LINE DOWN
CTRL-A      = JUMP LEFT
CTRL-S      = JUMP RIGHT
CTRL-W      = JUMP UP
CTRL-Z      = JUMP DOWN
CTRL-Q      = JUMP BEGIN
CTRL-E      = JUMP END
CTRL-D      = DELETE CHAR
CTRL-X      = DELETE LINE
CTRL-V      = COPY DELETED LINE
CTRL-O      = OPEN NEW LINE
CTRL-F      = OPEN A FOLLOWING NEW LINE
CTRL-T      = JOIN LINES
CTRL-I      = TOGGLE INSERT/OVERWRITE
ESCAPE      = SWITCH TO COMMAND MODE

APPLE ][ FEATURES:

SHIFT-M   = ]
CTRL-N    = [
CTRL-P    = _
CTRL-B    = |
CTRL-Y    = ~
CTRL-L    = SHIFT LOCK
SHIFT-LEFT ARROW = DELETE (SHIFT-MOD)

WITH THE SHIFT-KEY MOD ON AN
APPLE ][, UPPER AND LOWER CASE
ENTRY WORKS AS EXPECTED.

CTRL-C    = FORCE LOWER-CASE CHARS

IF YOU HAVE A LOWER-CASE CHARACTER
GENERATOR INSTALLED, YOU CAN FORCE
LOWER-CASE DISPLAY.  OTHERWISE,
UPPER CASE WILL BE DISPLAYED NORMALLY
BUT lower-case will be displayed in
inverse.  This is the default.

Apple //e AND //c FEATURES:

THE 'CLOSED-APPLE' KEY WILL MODIFY
THE ARROW KEYS INTO THEIR JUMP
EQUIVALENTS. IT WILL ALSO MODIFY
THE 'RETURN' KEY TO OPEN UP A LINE,
JUST LIKE CTRL-F.

COMMAND MODE:

<REQUIRED PARAMETER>
[OPTIONAL PARAMETER]

Q            = QUIT
R <FILENAME> = READ FILE
W [FILENAME] = WRITE FILE (OPTIONAL FILENAME)
A [FILENAME] = APPEND FILE
C [PREFIX]   = CATALOG FILES
P <PREFIX>   = SET PREFIX
H [SLOT]     = HARDCOPY TO DEVICE IN SLOT (DEFAULT 1)
N            = CLEAR TEXT IN MEMORY
E            = EDIT MODE
'RETURN'     = EDIT MODE