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FIXES.DOC
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1990-01-27
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SER
NUM PROBLEM & FIX
----------------------------------------------------------------------
1029 - 9/30/89
SYMPTOM:
A couple people have reported that The Draftsman wouldn't
recognize their VGA card, although MJVGA ran perfectly.
PROBLEM:
A real good question! The source code for the VGA test is
identical in both programs!
SOLUTION:
I re-compiled The Draftsman using the same memory model as
MJVGA. I also added an option which lets you attempt to run
The Draftsman even if it doesn't see a VGA card. The
Draftsman has always worked fine on my system & on the systems
that I test it on. Therefore, I don't know if this fix will
work or not. If you should experience this problem, please
let me know.
1055 - The "official" release of Version 2.1
SYMPTOM
Someone with a VGA card reported that neither MJVGA nor The
Draftsman would recognize his card.
PROBLEM
I dunno.... Strange VGA card maybe???
SOLUTION
He tried the above-modified Draftsman and said it worked fine
after selecting "try anyway." MJVGA now includes this option.
SYMPTOM
If you select What's Left, then exit the What's Left screen by
clicking the LEFT mouse button, the screen re-draws and either
A) you return to the What's Left screen or B) you select some
other menu item or tile.
PROBLEM
You're SUPPOSED to leave the What's Left screen by clicking
the right mouse button, but in reality any button will get you
out. Using the left button, however, was putting a "left
button click" message on the stack. When the MJVGA game board
returned, it saw this message & acted on it -- possibly taking
you right back to What's Left.
SOLUTION
This was a simple one -- I just cleard the button stack after
exiting the What's Left screen.
SYMPTOM
The computer locks up after the game board is displayed.
PROBLEM
This has only been reported once. The fellow corrected the
problem himself by running MJVGA with the "D" command line
parameter to disable the monochrome display routines. It
seems that his computer didn't let MJVGA write to the "dead
space" where a monochrome card should have been. It usually
doesn't matter -- if there's no monochrome card, the data
just "falls into the bit bucket" and causes no harm. But he's
proven that in certain systems it DOES matter!
SOLUTION
Since the vast majority of people don't have dual monitor
systems, I've changed the default from using the second
monitor to NOT using the second monitor. Now, if you wish to
use two monitors, YOU MUST START MJVGA WITH THE "D" COMMAND
LINE PARAMETER!!!! This may inconvenience a few people, but
will increase default compatibility to everyone.
1105 - 2/10/90 (Problem not fixed -- serial # indicates revision
of this document.)
SYMPTOM
Someone reported that the abbreviated HELP command didn't work
properly. The regular HELP menu appeared instead of just the
number of moves left.
PROBLEM
MJVGA first checks the left mouse button to determine the
command. It then expects to see BOTH the left AND right
buttons pressed if you want the shortened HELP screen. If you
release the left button before the computer can register that
both are pressed, you'll get the standard HELP menu.
SOLUTION
I haven't fixed this one yet. It will be fixed in the next
release, though. Until then, if you experience this, just
hold down both buttons for a few extra moments to be sure that
MJVGA sees them. You shouldn't experience this unless you
either have a slow machine or are a fast clicker. I had to
load down my 25 MHz machine with four background processes
before it ran slow enough to let me see this problem.
Note: The listed serial number is the first which contains a
fix. All releases with later (ie larger) serial numbers will also
contain the fix unless otherwise stated.