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README.Amiga
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1998-06-24
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Amiga v2600 Readme
==================
Virtual 2600 is (C) 1996 Alex Hornby and others under the GNU general
public license. Thanks to the FWF and X64 teams for making their work
available under the GPL.
Amiga v2600 version 0.7 by Matthew Stroup.
Requirements:
Any fast Amiga, 020 or better, OS 3.0 or better
Fast RAM recommended.
The faster the Amiga, the better.
When I saw that the v2600 code was available to be ported, I thought it
would be a challenging project. It runs about 4 fps on my 50MHz 68030.
Both my code and Alex Hornby's original code are in beta stages. Later
versions will probably be faster. I'm using chunky to planar conversions
that I found on Aminet by unknown authors. Amiga v2600 was compiled using
SAS/C 6.57. All source for the Amiga version is included, as per the GNU
public license. To get the original source code, or source code for the
other versions, check the Virtual 2600 home page at:
http://www.users.zetnet.co.uk/ahornby/v2600.html.
Keep an eye on the Amiga v2600 web page for news and information at:
http://gaia.ecs.csus.edu/~stroupm/v2600
To compile the source for yourself, if you so desire, decompress the
source.lha file, which creates the source directory. Change to that
directory and type:
execute make
Thanks to Bob Colbert and RetroWare for allowing me to include their
freeware game OkieDokie.
My next version will hopefully have a GUI. I also need to enable the
bottom 56 lines when in PAL mode. I am debating how I will improve the
speed. I can't do much more while keeping graphics card compatibility. I
could rewrite a bunch of code that would make it much faster by using the
Amiga's awesome graphics hardware. This would even make it compatible with
OCS machines, but it would kill graphics card support. Please send me
e-mail if you have an opinion on this.
Don't e-mail me asking for ROMs, because I won't give them to you. Anyone
can find them by using Alta Vista or any another search tool. I highly
recommend only getting the ROMs that you actually own. If you have any
comments, suggestions, or bug reports, please send me e-mail at:
stroupm@jps.net
I'll try to get back to you as soon as possible. I no longer receive e-mail
at stroupm@inreach.com. I can still receive e-mail at stroupm@csus.edu, but
this will change when I finish school at the end of the year, so use
stroupm@jps.net. I will be moving the Amiga v2600 web page soon as well.
Games I've tried:
Action Man - screen garbled
Adventure - works
Asteroids - with -b 1 option, screen garbled
Basketball - works
Battlezone - graphics slightly garbled
Berzerk - graphics slightly garbled, score doesn't work
Centipede - doesn't work
Chase the Chuck Wagon - graphics slightly garbled
Combat - works, the PAL version is missing the screen bottom
Congo Bongo - doesn't work
Cosmic Ark - graphics slightly garbled
Defender - graphics slightly garbled
Dig Dug - with -b 5 option, screen slightly garbled
Donkey Kong - works
Enduro Racer - works
Freeway - works
Frogger - works
Frogger 2 - works with -b 3 option
Galaga - screen garbled
Galaxian - screen garbled
Gauntlet - works
Gorf - works
H.E.R.O. - with -b 1 option, graphics slightly garbled
Indy 500 - works, but requires racing paddles, not supported
Mario Bros. - with -b 1 option, works
Maze Craze - works, though sprites are offset 1 pixel
Montezuma's Revenge - works
Moon Patrol - with -b 1 option, sprites are slightly garbled
PacMan - works
Pitfall! - works :^D
Q-Bert - not quite working
River Raid - works
River Raid 2 - with -b 2 option, works
Space Invaders - works
Spider Fighter - works
Super Breakout - with -l 1 option, works (use the mouse!)
Vanguard - with -b 1 option, doesn't scroll
Venture - controls not working, screen garbled
Video Olympics - with -l 1 option, works
Zaxxon - works
IMPORTANT NOTE!
If a game doesn't seem to be working, it's probably because you selected
the wrong banking type. It is possible that your memory is getting
trashed, and v2600 may freeze up, requiring a reset. This is apparently
caused by faulty bank switching, which has been noted by the original
author. I have not, however, had any Enforcer hits. It would be a good
idea to reset your Amiga after using v2600, and don't do anything important
in the background. You've been warned! ;^)