Atari XEGS and 2600 games
Mennie-Mail
that'd let it play 2600 carts? I don't know much about the system, so
hopefully this isn't too dumb a question :). thanks a lot!
Jon Melbo
No, I'm afraid that is not possible. A 2600 will play 2600 carts of
course, or any of those clones that were made of it. Also, an Atari
7800 game system will play 2600 carts as well. Not sure if it
requires a special adapter though. But no, an XE game system will not
do 2600 carts, but WILL do carts for the XL/XE line of Atari computers
and most carts made for the 400/800 Atari computers.
LWhite6497
>I just picked up an XEGS and was wondering if there was any hack
>>that'd let it play 2600 carts?
Likewise, I've never heard of any A8
emulators to play 2600 games. But I wonder
if anyone is aware of any technical reasons
that would make it difficult or impossible to
do a 2600 emulator to play the Rom images?
Any thoughts?
Larry
Jon Melbo
Larry, no one was talking about emualtors in this thread. The
original poster wanted to know if an XE game system could play 2600
carts. As far as the emulator scene, there are 2600 emulators (I know
of at least one called STELLA). There are emulators out there for a
lot of machines now. Atari 8-bit, Atari ST, Apple II, Apple Mac, CBM
64, Atari 2600, Atari 5200, many arcade machines, etc.
LWhite6497
>Larry, no one was talking about emualtors in this thread. The
>original poster wanted to know if an XE game system could play 2600
>carts.
Understood. Just a question. PC Emulators
for 2600's are very large, and must be run on
powerful PC's to work well. But the A8 would
seem to be similar enough to the 2600 that it
might be possible. That's just my speculation,
however.
Larry
GSB
Jon Melbo <jme...@pressenter.com> wrote in article
<3623468e...@news.pressenter.com>...
> On Sun, 11 Oct 1998 03:27:16 GMT, Mennie-Mail
> <came...@cantor.math.uwaterloo.ca> wrote:
>
> > I just picked up an XEGS and was wondering if there was any hack
> >that'd let it play 2600 carts? I don't know much about the system, so
> >hopefully this isn't too dumb a question :). thanks a lot!
>
> No, I'm afraid that is not possible. A 2600 will play 2600 carts of
> course, or any of those clones that were made of it. Also, an Atari
> 7800 game system will play 2600 carts as well. Not sure if it
> requires a special adapter though. But no, an XE game system will not
> do 2600 carts, but WILL do carts for the XL/XE line of Atari computers
> and most carts made for the 400/800 Atari computers.
>
The 7800 doesn't require any special adapter. It has both a 2600 TIA chip
and a Maria chip. When you first power on a 7800, it first checks the
contents
of the cartridge. The 7800 software requires the code to be encrypted. If
the
code does not pass decryption, the 7800 assumes the cartridge is a 2600
game and operates in the 2600 mode.
It's interesting to note that in the 7800 mode the 2600 TIA chip is used
to generate all game sounds.
Jerry Jessop, if I remember right, made reference to some engineering
that was being done to incorporate a 2600 TIA chip into a computer
setup. But at the time, GCC was also doing the 7800 and they manage
to win that battle. But Jerry can explain it better than me.
Or you can get the World of Atari video and hear Jerry talk about.
--
******************************************************
Glenn Bruner Email: brun...@pcisys.net
Visit my web page of images of rare Atari items
http://www.pcisys.net/~brunergs/Atari/
******************************************************
mr_m...@my-dejanews.com
lwhit...@aol.com (LWhite6497) wrote:
> Understood. Just a question. PC Emulators
> for 2600's are very large, and must be run on
> powerful PC's to work well. But the A8 would
> seem to be similar enough to the 2600 that it
> might be possible. That's just my speculation,
> however.
I heard that someone (Nick B. I think) hacked a 2600 game like Combat to work
on an A8. The 6502 CPU is compatible with the 6507 in the 2600 so you're
half way there.
Then there's the thing about screen display, the 2600 draws the screen right
on the TV using scanlines. This was done on the 8-bit by drawing in a
section of memory and putting that on the screen. Not to mention little
things like reading the controlers and sound.
If someone out there knows what I'm talking about and can fully explain the
techinical details better, then please let us know... :)
Eric Noss
a.k.a
Mr. Maddog
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