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2022-08-26
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The LOADSTAR Challenge
by Dave Moorman
This puzzle is surprisingly
simple, once you figure out the trick.
The word "LOADSTAR" is displayed on
the screen. Use the mouse, joystick,
or cursor keys to point to one of the
letters and click.
Under certain circumstances, the
letter you click will toggle on (red)
or off (dull gray). Your challenge is
to figure out those circumstances --
and turn all eight letters ON.
That's it. Nothing fancy. Nothing
terribly tricky. In fact, the whole
puzzle is very, very binary. Oops --
that was the one clue I promised
myself I would not give you.
Enjoy.
TECH NOTES:
Now for those who want to read all
the nitty gritty (i.e., bragging),
here is how Challenge came to be.
The idea came from a game
supposedly designed for the Altair
8800 -- where toggle switches and LEDs
rule.
Step 1: The screen was designed on
Mr.MICK, and saved as an FTS file
(font, screen, color).
Step 2: Got out Mr.Mouse 2.1
Resource Center and generated a JR
version (2.5 K) at memory location
$1000.
Step 3: Wrote the Boot program to
raise BOTTOM of BASIC up to page 32
(room for font and Mr.Mouse), and
bload Mr.Mouse and FTS screen., the
load and run main program.
Step 4: In main program, assigned
MM Regions around each letter of
"LOADSTAR". MM knows when the arrow is
over a Region, and can easily change
the color of the Region on demand. The
logic was simple!
Step 5: Used BASSEM's MERGE
command to add the LOADSTAR CONNECT
routine to return to LOADSTAR when the
user quits.
Step 6: Used Lee Novak's LINKER
and PACKER to turn everything into one
file and squeeze the air out of it.
Step 7: Removed bloads from boot
-- Linked and Packed program includes
the auxillary files.
I love working on the C-64 because
of familiarity and because we have
some wonderful modules and tools. Mr.
Mouse not only makes a program slick
-- it simplifies many of the functions
to single commands.
If you get an idea for a program,
give it a shot! Drop me a line and I
will suggest tools and utilities that
will make your work easy and the
results spiffy.
DMM