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GRAPHIC PLOT PROGRAM.
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INSTRUCTIONS.=============== By Stephen Jones.
There are three modes:- CHARACTER MODE
GRAPHICS MODE
COMMAND MODE
CHARACTER MODE:-
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TAB Enter Graphics Mode.
AUTO Enter Command Mode.
CONTROL F Delete Char to left of cursor, text
moves left.
INS CHAR Inserts a space, text moves right.
INS LINE Inserts a line above cursor, text
moves down.
DEL LINE Deletes line above cursor, text
moves up.
HOME Followed by ARROW, HOME, or INS CHAR
makes cursor move in that direction
after character is typed.
CONTROL X Enters the character mode from anywhere.
All other keys operate normally.
GRAPHICS MODE:-
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BLINK ON Blink on.
TAB Enter character mode.
AUTO Enter command mode.
5, HOME, Invert dot mode.
or SPACE "
1 to 4, 6 to 9 Move cursor in that direction.
ARROWS " " " " "
F Invert number direction follow flag.
O SELECT/DRAW outline.
SHIFT/O SELECT/INVERT outline.
B SELECT/DRAW block.
SHIFT/B SELECT/INVERT block.
E ABORT BLOCK/OUTLINE or select last
block/outline again.
L SELECT/DRAW line.
SHIFT/L SELECT/INVERT line.
D, or SHIFT D SELECT/DELETE line.
ERASE LINE ABORT line or select last line again.
P to W SET BG colour.
CONTROL P-W SET FG colour.
Selecting a line or block outline can be done by many
commands.
COMMAND MODE:-
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Press RETURN after these commands,
LI List function keys.
ER Erase page.
EX Return to caller mode.
DF Define function keys F0 - F15.
SV File-save screen.
LD File-load screen.
CS File-save screen compacted.
CL File-load screen compacted.
SF File-save function keys.
LF File-load function keys.
IN List the instructions.
BY EXIT plot program.
FUNCTION KEYS;
These are defined by DF, when a function
key is pressed the string replaces keyboard input.
SHIFT/CONTROL @ and SHIFT/CONTROL chars A to O may be
used to replace the function keys F0 to F15.
When defining a function key, press CONTROL/B to
complete the definition. Function keys may be nested.
END.