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Nibble Magazine
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PAINTBOX INSTRUCTIONS.txt
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2023-02-26
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1. PRESS <ESC> TO GET TO AND FROM MENU.
SELECT A MENU ITEM WITH THE ARROW
KEYS. PRESS <RETURN> TO CARRY OUT
THE ACTION SELECTED.
2. SELECT THE ITEM "COLOR:" AND PRESS
<RETURN>. CHOOSE A COLOR.
3. DRAWING WITH PEN:OFF
PRESS <ESC> TO LEAVE THE MENU. THE
PADDLE CONTROLS [PDL(0) AND PDL(1)]
MOVE A SPOT ON THE SCREEN. BUTTON
0 MAKES A MARK; BUTTON 1 DRAWS A
LINE TO THAT MARK; IN THE CHOSEN
COLOR. THE OLD ENDING POINT BECOMES
THE NEW STARTING POINT.
4. DRAWING WITH PEN:ON
PUSH BUTTON 0 TO MAKE A MARK ON THE
SCREEN, THEN PRESS <ESC> TO GET TO
THE MENU. SELECT THE ITEM "PEN:"
WITH THE ARROW KEYS AND PRESS
<RETURN>. THE PADDLE CONTROLS NOW
WORK LIKE THE KNOBS ON AN
"ETCH-A-SKETCH."
5. SPECIAL EFFECTS: F(ILL
FILL IS USED TO FILL AREAS WITH A
SOLID COLOR. USE BUTTON 0 TO SET A4
POINTS IN THE FOLLOWING ORDER:
1 2
* *
* *
3 4
THEN PRESS <ESC> TO GET THE MENU,
SELECT "SPECIAL EFFECTS," AND
PRESS "F" FOR FILL. THE AREA INSIDE
THE 4 POINTS WILL BE FILLED WITH THE
SELECTED COLOR. OF COURSE, THE
POINTS CAN BE ENTERED IN OTHER
ORDERS, WHEREUPON OTHER THINGS WILL
HAPPEN. TRY IT.
6. SPECIAL EFFECTS: C(URVES
THIS SPECIAL EFFECT WORKS SOMEWHAT
LIKE A SPIROGRAPH. MARK 2 POINTS
WITH BUTTON 0 IN THIS FORMAT:
1
*
*
2
THESE POINTS DETERMINE THE SIZE AND
LOCATION OF THE CURVE. PRESS <ESC>
TO GET THE MENU, CHOOSE "SPECIAL
EFFECTS," AND PRESS "C" FOR CURVES.
ENTER VALUES FOR A AND B (THESE
DETERMINE THE SHAPE OF THE CURVE).
NEGATIVE NUMBERS INVERT THE CURVE.
THE CURVE "BOUNCES OFF" THE TOP,
BOTTOM, & SIDES OF THE SCREEN. NEXT
ANSWER "MODULATE THE CURVE?" WITH Y
OR N. MODULATION ALTERS THE BASIC
SHAPE. ENTER NUMBERS FOR "% AMPLI-
TUDE" AND "FREQUENCY." USING 3,3
FOR AN AND B (WHICH, INCIDENTALLY,
PRODUCES A CIRCLE), TRY:
AMPLITUDE=20,FREQUENCY=9
AMPLITUDE=30,FREQUENCY=9
AMPLITUDE=30,FREQUENCY=-9
OTHER INTERESTING SHAPES ARE
PRODUCED BY A=4, B=4;
A=10, B=23;
A=33, B=33;
AND A=12, B=6.
FINALLY, TRY A=-3,B=-3,AMPLITUDE=30,
FREQUENCY=3. SURPRISE!!
**NOTE**
BUTTON 1 CAN BE USED TO BREAK OUT OF
EITHER EFFECT AT ANY TIME.
IN CASE OF ACCIDENTAL EXIT, RETURN TO
BASIC BY ENTERING 3D0G <RETURN> IF
REQUIRED, THEN TYPE GOTO 1000 <RETURN>.