PLASMA/doc/Editor.md

WELCOME TO THE PLASMA EDITOR!

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'.

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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/CUT LINE
CTRL-V       = COPY DELETED LINE
CTRL-O       = OPEN NEW LINE
CTRL-F       = OPEN A FOLLOWING NEW LINE
CTRL-T       = JOIN LINES
CTRL-B       = TOGGLE INSERT/OVERWRITE
TAB/CTRL-I   = INSERT SPACES TO NEXT TAB
ESCAPE       = SWITCH TO COMMAND MODE
DELETE       = DELETE CHAR LEFT

APPLE ][ FEATURES:

SHIFT-M      = ]
CTRL-N       = [
SHIFT-CTRL-N = ~
CTRL-P       = \
SHIFT-CTRL-P = |
CTRL-G       = _
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 'SOLID-APPLE' key will modify theese keys:

SA-RETURN      = OPEN LINE
SA-LEFT ARROW  = JUMP LEFT
SA-RIGHT ARROW = JUMP RIGHT
SA-UP ARROR    = JUMP UP
SA-DOWN ARROW  = JUMP DOWN

Apple /// FEATURES:

The 'OPEN-APPLE' key will modify these keys:

OA-\           = DELETE CHAR LEFT
OA-RETURN      = OPEN LINE
OA-LEFT ARROW  = JUMP LEFT
OA-RIGHT ARROW = JUMP RIGHT
OA-UP ARROR    = JUMP UP
OA-DOWN ARROW  = JUMP DOWN

On the keypad, 'OPEN-APPLE' allows the keys for navigation and misc:

OA-4           = MOVE CHAR LEFT
OA-6           = MOVE CHAR RIGHT
OA-8           = MOVE LINE UP
OA-2           = MOVE LINE DOWN
OA-9           = JUMP UP
OA-3           = JUMP DOWN
OA-7           = JUMP BEGIN
OA-1           = JUMP END
OA-5           = DELETE CHAR
OA--           = DELETE/CUT LINE
OA-0           = COPY DELETED LINE
OA-ENTER       = OPEN NEW LINE
OA-.           = TOGGLE INSERT/OVERWRITE

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