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piclod.doc
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1995-04-22
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PICLOAD!
by Charles F. Johnson 11/19/85
75066,404
PICLOAD is a BASIC program that can load and display just about
any kind of picture file, including Micro-Illustrator (or Atari
Artist) and Fun with Art pictures. I wrote a new machine language
routine to decompress Micro-Illustrator files instead of using the
standard method. The new routine is significantly faster than the
ones used by Magic Lantern and other programs.
In addition, PICLOAD uses the G: device (which is available on
SIGATARI) to print pictures. PICLOAD lets you set the various options
of the G: device very easily, and then print your picture with a press
of the START key.
When you run PICLOAD, the program checks to see if the G: device
has been loaded into memory. If it has, you will see a menu of Print
options. Set the options how you like and press RETURN to go on. If
the G: device is not present, the program will skip this menu.
Next, you will be asked for either a drive number or "F" to enter
a filename. Type a number between 1 and 4 and PICLOAD will search
that disk's directory for all files that have a ".PIC" or ".FWA"
extension and list them on screen, with a letter next to each
filename. To load a picture, just press the letter next to its name.
PICLOAD will first check the file to see if it's a Micro-Illustrator
or Fun with Art file and if it is, the picture will load
automatically. If not, you will prompted for the format and graphics
mode of the picture. Just answer the prompts and the picture will
load.
If you press "F" instead of a number, you may enter a filename
for the picture. This is so that you can load pictures which don't
have an extension of ".PIC" or ".FWA".
Once the picture is being displayed, START will print it using
the G: device. (However, this program does not allow printing of Fun
with Art pictures because they use a display system which is
incompatible with the way the G: device prints pictures.) The SELECT
key will print the picture and center it vertically on the page.
OPTION will cycle through all 5 hi-res graphics modes without clearing
the screen, so you can see what your picture looks like in other
modes. (The OPTION key does not affect the graphics mode of a Fun
with Art picture.) To load a new picture press ESC, and PICLOAD will
restart.
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