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1984-03-19
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LADYBUG 1.0 MANUAL ADDENDA
18 March 1984
David N. Smith
44 Ole Musket Lane
Danbury, CT 06810
Copyright (c) 1984 by David N. Smith
All Rights Reserved
LADYBUG STATUS
LadyBug version 0.9 was shipped to over a hundred users and has has a
lot of uses. It also had some bugs. All known bugs have fixed in
version 1.0. However, a lot of new function has been added and a lot
of things improved. Therefore there are probably additional bugs
lurking around.
The author will be happy to include in future releases any procedures
that someone sends. Be sure to say that the procedures are for
distribution. Your name will be included on them and with the
description in the manual unless you say not to.
KNOWN BUGS AND RESTRICTIONS
On PCjr there is enough less memory remaining out of its 128K that
LadyBug barely fits and large procedures will not fit. In tests, for
example, the RAILS procedure would not load. Since the PCjr tests,
some slack has been squeezed out of LadyBug but it still is tight.
Version 1.1 of LadyBug will certainly run better on PCjr.
"print 1 + rc" does not work even when the character typed is a
number. Instead do this:
make "elf rc
print 1 + run :elf
The first works and the second doesn't:
if rc = 3 [...]
if 3 = rc [...]
After a CATALOG command the background color is not restored. A
DRAW command will restore it.
If you lie and tell LadyBug that you have a Monochrome display in
addition to your graphics display, LB will run, but:
* All text will be in 80 column mode and TEXTCOLUMNS has no effect.
* The editor will not display anything.
Remember that the Monochrome screen referred to is the IBM Monochrome
screen which displays text only and not simply a non-color graphics
screen.
When WRAP is on and a figure draws through a corner some lines get
messed up. For example, try:
penup setxy 250 150 pendown
poly 150 170
WRAP works in most cases you will ever encounter.
If you type a command which exceeds 40 columns in graphics mode,
the screen scrolls up.
The extended character set (those characters above ASCII 127) has
problems when you have both the IBM MONOCHROME display as well as the
graphics display. To use the characters on the graphics display,
switch to the graphics display while still in DOS (use the MODE COLOR
command) and THEN start up LadyBug.