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from a post behind the pulley.
WITHOUT moving the stop, loosen the
screw on the stop until you think the
stop can be moved WITH A LITTLE FORCE
(Try moving the stop to the left very
slightly by tapping on a large flat-
bladed screwdriver or so pressed
against the stop) Now plug in the 41
and turn on power (make sure the
circuit board is isolated from any
metal parts!!!!).
(1541 align cont.) Put in the 1541
TEST/DEMO disk shipped with the drive
and run the program you just
entered. It reads track 35, then 1,
then 34, then 1, then 33, etc....
If alignment is OK, this will go thru
all 35 tracks without an error.
Notice that when going to track 1
sometimes the drive 'backs-up' and
'flicks' the drive pulley until it
hits the stop. On a properly
aligned drive, there is only a 16th
of an inch, give or take, of space
between the position of the pulley
bump and the metal stop to
successfully read track 1.
If the program fails before completing
move the stop VERY slightly to the
left by tapping it again. Run the
program again. Keep doing this until
the program runs error free. A
properly aligned disk is also a little
quieter during disk-errors or NEWing
a disk. By moving the stop a little
one way or the other, you'll get the
feel of where it should be. ONLY
move it as little as possible each
time!
Do not use a copy-protected disk for
this alignment procedure! WordPro
especially will screw you up since it
is copy-protected by corrupting track
#1! The 1541 test/demo disk is the
closest you'll find to a standard.
When alignment is OK, DON'T try to
tighten the screw on the stop! It'll
only change the position of the stop-
that's why I said to loosen it ONLY
until the stop can be moved with
force. Now apply some Elmer's glue or
similar onto the screw and edges of
the stop to keep it from moving.
Check alignment again. Unplug the
drive, put the circuit bd. back in
place, turn on the drive, check align
ment again, and so forth until you
have the drive all back together.
If you had trouble reading disks like
WordPro, then before you put it back
together, try loading one of them. If
they don't load at least 80% of the
time, move the stop slightly either
way and try again. When it works, try
the alignment program again, etc.
Note: do NOT use epoxy to hold the
stop in position. You may need to do
the procedure more than once.
ALLPRINT
For the C64. (c) 1986 by Chrisdos.
The ALLPRINT utility is a memory bit map to printer conversion routine.
ALLPRINT will take an 8K block of memory and otput it to a STAR or EPSON
printer in full size. ALLPRINT can look at all 8 of the 8K boundries in memory
and therefore can find most pictures.
To use ALLPRINT (with a doodle picture file for example) all you need
do is first load the picture file like a program,8,1. If you had a disk file
called DDPICTURE, you would LOAD"DDPICTURE",8,1.
This would place the image in memory. (doodle saves its picture at $6000 and its
color at $5C00, which is the defalt for ALLPRINT.)
Then load and run ALLPRINT. (you may have to preceed this with a NEW to get it
to load.)
ALLPRINT will display the opening screen, you then press any key. You will
get the hires screen displayed. (if you are using another kind of file, that
loads into a different memory location like $2000, then you will not yet see
the image.)
You can use the F1 key to move ALLPRINT through memory, each time you press it,
you get the next 8K boundry.
$6000, $8000, $A000, $C000, $E000, $0000, $2000, $40 , and back to $6000 again
This allows you to find the image in memory. Also, while on the $0000 page, you
will see the memory locations change as the lower parts of memory are used
by the running computer.
The color map also changes as you flip through memory, the base for the color
map is always 1024 bytes below the pictre base. This is standard for doodle and
others.