carmel_andrews
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Posts posted by carmel_andrews
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Hmmmm, well the better implementation is to specify a section of the screen to a GTIA, you could start out with GTIA-Top and GTIA-Bot and have the top generate the top 1/2 of the screen and the Bot do the bottom. You could then conceivably double the vertical resolution of the system to 384 X 320 Horizontal.I have some engineering notes where some engineers were tinkering around with just such an idea within Atari to create a new video system in future Atari systems, but retain backward compatibility. Interesting premise and should be doable.
Curt
Curt... interesting point... have you been watching the thread on the A8 forum 'dual antic/gtia upgrade' someone seemed to suggest that under Warners, Atari was R & D'g several upgrade options for the A8 (not including the Amiga chip set, which according to certain sources was already contracted to Atari), unfortunately, after tramiel bought out Atari, tramiel basically decimated Atari's r & d effort by either selling it off (wholsale) or closing it down, which of course meant that all this A8 products never made it to market (but you'd know that wouldn't you curt, you being closer to the 'horses mouth' then I/most), not forgetting the fact that tramiel either ballsed up or FU***** up the Amiga deal, and Atari ended up with a poor substitute... the ST
BTW, there was an upgrade (3rd party) released for the A8 back in the mid/late 80's, done by Bob Wooley, also based on the dual antic/gtia premise, it extended the A8 colour range to that of the amiga and also extended the rez (can't be too sure of that one).... Where is BW now... and for that matter, Chuck steinmann
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And then a few "view" and "paint" programs came out after Techniclor, especially in the shareware/PD realm, that took advantage of this technique and also doing full screen interlacing to get double the vertical resolution at the expense of some flickering, which looks a bit worse on a PAL than on NTSC due to the already lower scan rate of 50hz. But it's still brillaint looking stuff. I remember looking at demo disk picture shows or "slide shows" of great artwork, mostly from the U.K. and Europe, I believe. Unfortunately I lost all those disks years ago now, and am in the process of re-aquiring some of them, with some help from some good guys here. It also looks like B&C may carry many of the very disks&programs I'm speaking of in their PD library.Not wishing to Nitpick but, technicolor dream wasn't PD/shareware...it was a commercial release by red rat, I still have mine on orig. cassette format, it was the first paint programme to be released on cassette, can't remember if it was ever done on disk... demo piccies were 'ok' i suppose, nothing blinding compared to some of those euro demo's that i've seen
does anyone know why homesoft ditched the demo section of their (orig) atari 8bit software site, i only have demo disks upto 9x
Does anyone have a full version on ATR format of 'Mr Proper', it looked a good game and one of the very few that used the HIP graphics format... I believe it was one of these euro games (it's a bugger that no one in UK has come up with anything near as good... Come on Wrathchild, wer'e relying on you to take up the challenge)
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Nah... Forget it, you obviously have a differtent type of 1050 then the one's i've seen,
All the 1050's i've seen do not have or have never had the drive mech connectors in any way soldered to the pcb... get someone in that knows what they're doing (that way you won't screw up or ruin the 1050)
Bit of a pain I know, but it's better to be safe then SORRY
PCB... Printed Circuit Board (where all the 1050's electronics and IC's are located)... So, there's only 1 PCB in ea. 1050
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But even if it's not, as you say, another option is the 32-in-1 Warp+ OS which includes the speedyDOS and most/all other OS's, so I think (I'm just learning about this myself) that in conjunction with SIO2PC and A.P.E, maybe the SA/SA2 software could be used. Or is this SA/SA2 .atr images you are refering to possibly the same thing that I see in the screen-shot of 32-in-1 OS;the software on cartridge? Obviously this isn't an instant or free solution to this possible probblem, even if SchoSchie Has anything to do with SIO2PC/APE/WARP+, etc.
(...)
'Gunstar', what i meant was, using the ATR images of SA/SA2 or happy/lazer copy s/w thru am emulator like atari800win or atari++, I dont think it will work win atari800win... it might work with atari++, but there again i don't know as both of my 1050's are dead and i don't have an siopc or ape/prosys cable/adapter..l so i can't say if it will work (this is purely guesswork)
Thanks again, you two; if I get your point correctly, you're suggesting to make a copy using one of these upgrades and then use the emulator to read the special disk format that they create.
But, like I said, I don't have any of these upgrades and I think I'd be going over the top if I went ahead and got one of them for the sole purpose of copying a couple of disks... well... if all else fails, I might reconsider
BTW, the emulator I'm using is Atari800MacX which I think has the same codebase as atari800win; or rather, it's the Mac OS X port of that same basic emulator code. There is currently no other, good Atari 8-bit emulator for the OS X platform that I know of.
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'schoschie', have to tried to swap over the disk mechs i.e taking out the disk mech from your good 1050 (remembering which way the connectors go from the 1050 mech to the 1050 board) take out the disk mech from the dodgy 1050 (remembering which way the connectors go from the 1050 mech to the 1050 board), and place the disk mech from the good 1050 into the dodgy 1050 (remembering which way the connectors go from the 1050 mech to the 1050 board) and reconnecting the disk mech to the board, make sure that first the upgrade is security fastened to the socket on the motherboard and then making sure the disk mech is securely or properly seated on top of the pcb and but the top of the case on (don't put the screws back in yet), recconnect the power and sio cables to the 1050, stick in a disk and BOOT UP, try loading a few games, try formatting a few disks, if all is ok, do the same with the disk mech you took from the dodgy 1050 and place it in the good 1050 d/d reconnect the jumpers from the disk mech to the board, make sure the disk mech is properly seated on top of the pcb and then replace the top of the 1050 case (dont put the screws in yet), connect power and cables etc stick in a disk and BOOT UP, try loading a few games, etc etc... that should sort out your problem, if it doesn't try and find someone that repair 1050's in Germany (as you did say you came from germany, or indicated as much)
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Even better is if you have an a8 disc drive that has either a happy or lazer/hyperdrive upgrade or the european version the speedy 1050/super speedy 1050 u/g and happy/lazer copy software, which can copy over error'd sectors, i seem to remember hearing that the SA/SA2 (both 810/1050 versions) had as part of the copy software the ability to repair error'd sectors (so long as these sector's are genuine error'd sectors and not some fancy software protection, otherwise you'll knock out the protection and you won't be able to load/use the disc
I can't remember if happy/lazer had this ability
Once you have copied the disc over, then using this ape stuff then try and convert the disc over to ATR/Xfd
I have seen the happy and SA/SA2 copy software as an ATR however I don't think the software will recognise the siopc cable or the 1050
Additionally the only emulator that i've seen that emulates a happy 1050/810 is Atari++, and also atari++ has the ability to communicate with the sio to pc cable as long as you've got an atari sio device at the 'atari' end (as in, not the PC)
"I have seen the happy and SA/SA2 copy software as an ATR however I don't think the software will recognise the siopc cable or the 1050"
Have you actually tried this? Since the SIO2PC connects/uses the SIO line, and IIRC, A.P.E can/does emulate the Warp+ OS 3X SIO speed, which is compatible with most, if not all of the "ultra speed" Dos's&upgrades I think. I know for sure it is with Spartados and the U.S. Doubler ultra speed drives as I have one of these.
But even if it's not, as you say, another option is the 32-in-1 Warp+ OS which includes the speedyDOS and most/all other OS's, so I think (I'm just learning about this myself) that in conjunction with SIO2PC and A.P.E, maybe the SA/SA2 software could be used. Or is this SA/SA2 .atr images you are refering to possibly the same thing that I see in the screen-shot of 32-in-1 OS;the software on cartridge? Obviously this isn't an instant or free solution to this possible probblem, even if SchoSchie Has anything to do with SIO2PC/APE/WARP+, etc.
But it at least might be worthwhile to look into the latest version of A.P.E for Windows v2.3.2 which may be compatible with some of these drive/format upgrades that previous versions weren't compatible with...
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'Gunstar', what i meant was, using the ATR images of SA/SA2 or happy/lazer copy s/w thru am emulator like atari800win or atari++, I dont think it will work win atari800win... it might work with atari++, but there again i don't know as both of my 1050's are dead and i don't have an siopc or ape/prosys cable/adapter..l so i can't say if it will work (this is purely guesswork)
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Even better is if you have an a8 disc drive that has either a happy or lazer/hyperdrive upgrade or the european version the speedy 1050/super speedy 1050 u/g and happy/lazer copy software, which can copy over error'd sectors, i seem to remember hearing that the SA/SA2 (both 810/1050 versions) had as part of the copy software the ability to repair error'd sectors (so long as these sector's are genuine error'd sectors and not some fancy software protection, otherwise you'll knock out the protection and you won't be able to load/use the disc
I can't remember if happy/lazer had this ability
Once you have copied the disc over, then using this ape stuff then try and convert the disc over to ATR/Xfd
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'Gunstar', what i meant was, using the ATR images of SA/SA2 or happy/lazer copy s/w thru am emulator like atari800win or atari++, I dont think it will work win atari800win... it might work with atari++, but there again i don't know as both of my 1050's are dead and i don't have an siopc or ape/prosys cable/adapter..l so i can't say if it will work (this is purely guesswork)
I have seen the happy and SA/SA2 copy software as an ATR however I don't think the software will recognise the siopc cable or the 1050
Additionally the only emulator that i've seen that emulates a happy 1050/810 is Atari++, and also atari++ has the ability to communicate with the sio to pc cable as long as you've got an atari sio device at the 'atari' end (as in, not the PC)
"I have seen the happy and SA/SA2 copy software as an ATR however I don't think the software will recognise the siopc cable or the 1050"
Have you actually tried this? Since the SIO2PC connects/uses the SIO line, and IIRC, A.P.E can/does emulate the Warp+ OS 3X SIO speed, which is compatible with most, if not all of the "ultra speed" Dos's&upgrades I think. I know for sure it is with Spartados and the U.S. Doubler ultra speed drives as I have one of these.
But even if it's not, as you say, another option is the 32-in-1 Warp+ OS which includes the speedyDOS and most/all other OS's, so I think (I'm just learning about this myself) that in conjunction with SIO2PC and A.P.E, maybe the SA/SA2 software could be used. Or is this SA/SA2 .atr images you are refering to possibly the same thing that I see in the screen-shot of 32-in-1 OS;the software on cartridge? Obviously this isn't an instant or free solution to this possible probblem, even if SchoSchie Has anything to do with SIO2PC/APE/WARP+, etc.
But it at least might be worthwhile to look into the latest version of A.P.E for Windows v2.3.2 which may be compatible with some of these drive/format upgrades that previous versions weren't compatible with...
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Carmel, thanks for the idea, but all I have is a normal 1050 drive with no extras. I have another 1050 with 1050 Turbo module, but it died before I could complete my mission
I'm going to sell my Atari stuff, which is why I want to save the data on my disks so I can use them in an emulator... so I guess doing fancy hardware modifications isn't really worthwhile anymore :/
Thanks and greetings to all you Atari 8 bit users out there from Germany
Ouch!... Sorry, when you say the turbo 1050 died, was that the upgrade only, or the whole drive, if it was the whole drive, you still might be able to rescue the upgrade and stick it in your normal 1050 temporarily untill you complete all your copying... but i don't know, i'm not some electronics repair freak like several on this forum
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Is this marble game similar to 'quedex' on the c64 or a bit like bounder/rebounder (c64) or it's A8 equiv. Jump (a german title) and boing/boing 2 (UK)
Unfortunately i'm not much into pc games (although i do have Tomb raider 3 and AOD installed), so I don't think I've come accross this PC game
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Even better is if you have an a8 disc drive that has either a happy or lazer/hyperdrive upgrade or the european version the speedy 1050/super speedy 1050 u/g and happy/lazer copy software, which can copy over error'd sectors, i seem to remember hearing that the SA/SA2 (both 810/1050 versions) had as part of the copy software the ability to repair error'd sectors (so long as these sector's are genuine error'd sectors and not some fancy software protection, otherwise you'll knock out the protection and you won't be able to load/use the disc
I can't remember if happy/lazer had this ability
Once you have copied the disc over, then using this ape stuff then try and convert the disc over to ATR/Xfd
I have seen the happy and SA/SA2 copy software as an ATR however I don't think the software will recognise the siopc cable or the 1050
Additionally the only emulator that i've seen that emulates a happy 1050/810 is Atari++, and also atari++ has the ability to communicate with the sio to pc cable as long as you've got an atari sio device at the 'atari' end (as in, not the PC)
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Many people consider the comb to be a bug, because it can look ugly. I wonder if the designers might have put the comb in on purpose as a means to scroll sprites off and on the edges of the screen. Without the comb, a sprite off one edge will appear sticking out on the other side unless you do some nifty tricks in software. the comb is the same width as a standard sprite (8 pixels). So a programmer can use the comb as a sort of virtual backstage curtain to move sprites in and out as if entering or leaving a stage.Unlike most video chips which uses a position register for each sprite and have logic to check when the beam reaches the specified position, the 2600 uses a different scheme (which possibly saves a few transistors, though given some of the weird stuff they added to deal with it I don't know how much it really saves).
Each sprite on the 2600 has a counting circuit which will trip every 160 pulses. Normally there are 160 pixels on a scan line, and so the counter will trip at the same location every scan line. This would be all well and good if all you wanted to do was display a sprite at whatever position it powered up at and never wanted to move it. In practice, though, being able to move sprites is nice (well, actually pretty much essential for making any sort of playable game). There are two ways to move the player sprites and the ball, and three ways to move the missiles.
The first way to move any of these objects is to write to a special location, called the object's "reset address", which will cause the object's counter to be zeroed. This will cause the object to appear on every scan line at whatever X coordinate the electron beam happens to be. It is fairly easy to position objects to within +/- 7 pixels of any desired position (a 15-pixel range) by executing a variable delay loop before hitting the object's reset address. With trickier code, accuracy can be refined to +/- 1 (a three-pixel range). Placement more precise than this is not possible when using the reset address alone.
Because the designers of the Atari figured people would want more precise object placement than would be allowed using just the reset addresses, they added a ludicrously complicated bunch of circuitry which may be called the "hmove circuit". The HMOVE circuitry does two things:
-1- It feeds sprites' position counters an extra 0-15 counts during the horizontal blanking period. In the absense of part 2, this would have the effect of moving the sprites 0-15 pixels to the right.
-2- It disables counting (and video) for the first eight pixels of a scan line. This has the effect of moving all five sprites eight pixels to the right (offset by whatever amount they were moved in -1-).
There are many other weird and wacky intricacies with the TIA, and it must have had a somewhat interesting evolution (I don't think counting to 160 is really any easier than counting to 168, and if the counters did the latter there'd be no need to blank the first part of a display line when performing an HMOVE.
BTW, method #3 for moving missles is to program the hardware to trigger a reset of the a missle position counter when its corresponding player sprite has just output its fourth pixel of display data. Combad uses this when the player fires, but I really don't know of much other usefulness for this feature. Seems a waste of silicon that could have been better used elsewhere.
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Are u sure you didn't eat the TIA/2600 programming manual at birth
Or do you just eat video chips
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I'd be interested to find out how shawn was able to bypass the built in protection on ultima, it memory serves me right, the later ultima games required an awful lot of disk access (or was he using a 'deprotected' ATR version), if so, how did he manage to get a 'flashcart' emulated on a pc/mac A8 emu
How big is the biggest flashcart for the A8 (IN TERMS OF MB'S OR K'S) could it be possible to transfer all A8 games (commercial versions) to flashcart and have a howfen/rob c type menu selection screen (i can't stand those dos type menu's)
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Secondly, but very messily done, here's a layoutfor the text over a background image. I think the
"Philip Price's" could could down in size a little and
then 'Alternate Reality' made a little larger, maybe
even keep the red colour used on the box?
Also, the whole backdrop could be decreased in
prominance as was done with the gate in #20?
Mark
How about asking paradise computing if you can use the original box artwork
and have a piccy on the front and back of the cart. (different piccies of course)
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I don't know how BW got 4096 colours out of his u/g, i am just going by what i recall about the article that was in either pg 6 or atari user
like i said earlier, i am surprised that atari didn't seize the opp't. to doing this type of u/g officially themselves, unfortunately Atari's management dropped the ball and allowed their competition to come up with similar concepts for their 8bit offerings, ones that come to mind are the later incarnation of the 64 and also the Amstrad 'PLUS' and 'GX' computuer/games systems
The commodore one incorporated an enhanced or extended version of the VIC/SID chip set, which gave amiga style 4096 colour range and hi rez gfx modes like 800 by 600 (can't remember exactly) additionally the sid chip had stereo sound capability and the system came with a 3.5' 720k disk drive (i remember that it was called the c65 or something like that), and also the Amstrad jobbie had similar capabilites like 4096 colour range, stereo sound (can't remember the gfx resolution though), if Jay Miner was alive today, he'd be turning in his grave that Atari passed up on an opp't. like this
There again, if memory serves me right, tramiel wasn't much of a supporter of the a8 series, which is why most of the marketing budget was spent on the ST (in the UK and EU at least anyway)
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All these dual Atic/Gtia upgrades, are they essentially basd on or designed around the BOB WOOLEY original dual antic upgrades of the late 80's (the one that i read about in Atari user and Pg 6)
I remember that the BW upgrade gave you 4096 colours
Is BW still with us and in the land of the living or has he defected to a rival computer brand (CBM, Amstrad, Sinclair etc)
Also if you read the disk version of the atari hardware notes (BOB DU HAMEL) and also the technical reference manual, they make mention of the possibilities of transplanting multiple Antic/G/CTIA and pokey chips into a standard A8 system
So, my guess is that all these Atari h/w hackers have being delving into the above mentioned texts
It saddens me that that the publisher of these texts (atari themselves) never got around to performing/producing such upgrades (officially) or explaining to users how to do it
End of pitch
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Nice read. I know the feeling exactly. Everything gets more and more complex and less personal or individually controllable as technology advances. We used to get around by riding horses or in carts pulled by horses - what a drastic difference between a modern automobile and a living animal. A horse required taming, food, water, shelter and a little exersize. In contrast, what is the life cycle of a car, from the iron ore and oil dug out of the ground to the car that you are driving and maintaining today, to the wrecking yard where it is recycled - thousands and thousands of processes and parts and people all coordinating into accomplishing the same goal as what the horse did, which only required food and water.Just think, the beginning of the home computer era, where a computer and everything about it could be controlled and mastered by a single person will never happen again, short of a global nuclear war wipeout, and we were there to experience and usher it in. We were there, experiening a major shift in technology that will be recorded in histroy forever.
That's kind of cool.
A lot of the PC technology can be traced back to something thaty Atari invented/designed, pioneered etc... like the following
USB... based on Atari's SIO standards/protocols (and designed by the same bloke as well)
Plug in memory modules (Simms/Dimms/EDO/SDr/RD and DDR ram)... Atari was the first company to utilize plug in mem. modules in computers
XMS/EMS... Microsfts version of bank switching, a technique originally invented by Atari
Sound/Graphics boards... Based on Atari's custom designed h/w chip set techology
Nvidia/ATI PC video GPU's... based on Atari's Antic GPU (and less programmable)
And from a design concept, the original 400/800 design pioneered the concept of plug and play, as everything replaceable like graphics/sound hardware, memory,os, cpu etc were given their own PCBs... somewhat similar to the design of the modern ibm compat. pc
So... for a modern PC, look under atari 8bit
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Afaik,even more Mastertronic games did have (and still do have) a bug:
Rockford: level 9 is not solvable, you have to collect more diamonds than there are available...
One man and his droid (not sure about that game): if I remember correctly, this game (or another one) had 25 levels, each with a password; the last or pre-last level could not be solved... (have to read my tipster texts again to check it out)...
Amaurote: great gfx and sfx, but in my eyes awful to play and impossible to finish. I once played it with infinite lives (no collision detection) and still needed 15-30 minutes to end one level. alas, the game has 25 levels, no passwords, no save options. Thus you have to play the whole game in one go - and with the standard number of lives (3) this is absolutely impossible... besides, the "jumping" bombs make it almost impossible to target and kill the insects... I have asked often, if anyone ever finished this game, no-one did and I doubt anyone ever will (especially with the standard number of lives)...
Novagen:
- Second City (sequel to Mercenary): There is a room which contains a triangle key, it is the only room which does. Alas, the only door leading to this room is locked and to unlock it, one requires the triangle key, which is simply impossible...
(or maybe a Lucasfilm gag)... anyways, the game has to be patched, so the door can be opened with any other key and the triangle key can be taken...
- Andreas.
Re: the uni hero bug... I seem to remember it was more to do with the fact that you needed a printer enabled at the same time that you were playing the game (something to do with the fact that the a8 version was ported from the 64)
Never heard of this 'colony' bug
I do recall hearing that the a8 version of rockford (mastertronic) is also bugged
I was pleasantly surprised to hear that mastertronic are still with us today (they did the PC re release of tomb raider, angel of darkness), i beleive they are now owned by sold out sales/marketing, previously owned by virgin (mr branson's crowd) and that mastertronic were the first euro/uk importers of sega master system... shows how old i am
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Seems as though i've tried all pre ste tos's and the last two versions (debug/non debug) of steem... still won't let me play the game as the automation disk no. 46 doesn't allow joystick input to start the game (also applies to other menu disk versions) and, strangely enough I am now experiencing problems running it with saint (199d and c)... it crashes at the lightning screen (same as winston/stew)
my email addr is [email protected] (or just send me a PM...please, no spam)
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Wasn't Gustafson one of the designers of either 'the chip' or super archiver/sa2 or the software (810/1050 u/g's)
Yes.
-Bry
I remember that ICD and OSS used the same UK importer, namely Frontier Software (they then changed names to Marpet developments) although sillica shop (sillica systems) also used to import some ICD/OSS products (I bought an original mac65 cart for 70.00 GBP thinking that i was the next chris crawford/chris gray... hardly ever used it)
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This thread goes around my thoughts of Cartridge-Games.The meaning is about real cartridge games that take all the benefit of the "huge space" that is possible to use.
While taking a look at Sheddy's Space Harrier, there could be hundreds of other games taken to Cartridge in original.
Thinking back to "those days", a game has cost about 10 to 100 DM. How much would it have cost, to put the games on (f. example) a "512K-Cart"? 30DM ? (in 1986 ~11$)
So a game would have cost 40-140DM.
In average it was never really too expensive. Thinking about the developers and the possibilities that gave the "huge" memory for more graphics, animations and music.
I remember the "NEO GEO" which was released in 1991. The Console cost ~400$ and every game cost ~400$ too, in that time.
People did buy those "hyper"-expensive stuff, because they wanted to have the "best".... some still have a collection of this system
Now think about a game similar to Space Harrier, or other 3D games, with a "Mega-Cart" back in 1979-1983.... and what really would have been possible in that time.
I'm pretty shure, people would have bought such a game, even if it had cost 200$....
Another benefit for the game-developers was the not copy-able software in that time, too.
What would have been, if this has happened?
Atari did exactly this and priced itself out of the majority of people's pockets. If we adjust pricing for inflation, A8 carts retailed for about $100 (in today's money), and that was just too much for most people. Everyone may remember the Neo*Geo as an expensive system, but the 5200 cost over $500 in 2005 dollars (inflation adjusted), and its games were extremely expensive. It's hard to make a profit when your largest market ends up being techno-geeks like us.
You mean... back in the days when Atari considered the 8-16k rom's were the maximum ammount of memory that the consumer could afford to buy (bearing in mind that Atari thought that they were 'over designing' the original vcs by equipping it to handling 8k of ROM) I remember reading a story that Asteroids wasn't the first vcs game to use Atari's 'bank switching' concept
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I remember people telling me about this at the back end of the 1980's, they were referring to it as 'atari's little secret'
I guess that Atari only chucked this in at the last moment because competing systems already had plenty of expansion possabilities, i.e the apple 2 (comes to mind) Atari didn't probably mention it in their promotional materials as they didn't think people or companies would make any expansion devices that supported the connector (sounds similar the the support for the PBI/ECI connectors Atari received)
I do have an old 800, never opened it, hardly used it as i get v. bad white noise & TVI when i use it (might need a new RF mod...)
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Wasn't Gustafson one of the designers of either 'the chip' or super archiver/sa2 or the software (810/1050 u/g's)
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Nothing can replace the feeling of shoving countless 10p's into an old arcade machine (the old type of 10p)
The last time i ever went into an arcade was just before I left a company I was working for in the west end (london) in '89
There again, nothing can replace the feeling of shoving an age old cart game into a 2600/2600jr, emulation is a 'poor' substitute as it doesn't replicate the same feeling, especially using the old cx40's again (aka, standard atari joysticks)
It's nice to see that these 'anklebiters' or sub 30 yearolds have an appreciation for the decent things in life (i.e good taste in videogames/hardware technology) or is this the exception rather then the rule/norm
Happy atari'ng
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you and me both. I'm 21, and I wish I was my age back in the 80's, the arcades, the music, everything. You never see an arcade like you did back then unless its in someone's house.
There is such an arcade in Portland, Oregon, called Ground Kontrol.
I've been there even though I've got a MAME cabinet... You can't replace the atmosphere.
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Must have been used because before the 7800 was dropped (circa 1991/2) I do seem to remember a few (not many) 3rd party 7800 games and they couldn't have been able to produce these games for the 7800 unless they received the encryption key and associated algorithms from atari (uless there was a way for by-passing the data encryption algorithm.. similar to what tengen allegedy did with the NES software they did)
and to prevent someone from missing emkay's comments about MCS usage 
...
:!:
could be fun to code...and maybe there is a way to enhance existing games with small benefits of your upgrade... like GB & GBC software...
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Dual ANTIC upgrade?
in Atari 8-Bit Computers
Posted
How about if someone 'locates' the orig. coder/s, and allows wrathchild or heaven tqa to do a release version or a 'hack job' or anyone on this forum that hard codes 6502 and understands HIP graphics programming