Sega to Intellivision controller adapter

[tripletopper]

I don't want to sound like nitpicking, but isn't there supposed to be 3 independent buttons on an Intellivision, where you can press any 1, any 2 or all 3 at the same time?

 

Doesn't the Genesis stick have a native 3 button arrangement, where the 3 buttons can be mapped to A, B, and C?

 

( I think I understand the Intellivision joystick language enough where I think it understands either one keypress, one specific pause two-key combination, or any combinaiton of 16 diretions and 3 independent action butttons, and pressing a key and one other control has weird side effects?) Can you press all 3 action buttons and the joystick at the same time, and have registered o the INTV control language? (or one keypad button, or the pause combo?)

 

So in theory, there are 3 buttons, Top (TL+TR mirror each other) ,BL, and BR. Are there games where BR could be confused with BL+T? Also what about games that use T+BR, or BL+BR, or T+BL+BR? Also would there be games where if they are not pressed at EXACLTY the same time, it can cost virtual lives?

 

I understand the desire to make it SMS compatible, but I believe every game that uses 2 buttons uses the top and mirrored bottoms. I don't know whether simultaneous independent BL+T is more common than 3 button games, but the only way THAT mode would work is if you KNOW only one button will be pressed at once.

 

But making it compatible with the 2600 is clever and makes one button games work, and I believe on all of them, all 4 buttons are mirrored.

 

I would be glad to buy one, once you get 3 actual independent buttons instead of defaulting to SMS mode, or you can convince me that the INTV joystick language only allows one button pressed at a time. I know i don't understand it fully. Maybe there is a limit of one button at a time that I'm not aware of.

Edited November 27, 2018 by tripletopper

[mr_me]

I wouldn't worry about games that support side button combos. It's hard enough pressing one intellivision side button let alone two at the same time.

 

Cartridges that have independent left/right side buttons include pinball, tutankham, nova blast. There are a few others but you wouldn't play them with this adapter. The intellivision controller works best when left/right side buttons are the same. It's why cartridges like defender and space hawk have their third function on the keypad.

Edited November 27, 2018 by mr_me

[tripletopper]

I guess you get what you pay for and pay for what you get.

 

This Sega -> INTV adapter is good for quite a few games. Also you don't have to provide an INTV controller for the keypad. But any game that requires simultaneous button pressing will not work. (How many are there? I don't know) Also how many game will misfiring a BR as either a T or BL would cause problems? (Again, I don't know how many.)

 

This one costs $5 (device + S/H) plus a $11 power cord (Plus device + S/H) which you must get separately x2 = 32. The other one is $10 each assemble it yourself, or $20 pre-assembled. ( I think you may have to provide one USB micro to power cord or USB micro-> USB + USB -> Power) so $20 x 2 + $5.00 for one dual USB to power adapter + 2 X$1 micro usb to usb cable=$47 Plus I'm going to need extra 2 INTV 2-> INTV FB cables.

 

$32 vs $57, and the $57 lets me use original overlays and has 3 independent buttons. Is it worth it? I guess you decide. As for me, I'll pay the extra $25 and be sure I can play EVERY GAME, and not having to unplug it every time I need the 16 way controller. Can't be too sure I won't encounter games with simultaneous pushes, and I have found quite a few "white label" INTV games, including a couple rare ones, for $1 a piece many years ago at the second degree Goodwill outlet , the stuff that doesn't sell at the main Goodwill stores. So i'm more likely to have a multi-press game, as they are newer games.

[+Rick Reynolds]

I think I’m missing some context here. What devices are you referring to that add up to $32 vs $57?

[tripletopper]

This adapter is $32 dollars $5 for each of 2 adapters, and $11 for each of 2 specific power cord adapters.

 

The OTHER GENESIS TO INTV ADAPTER (also has a Jaguar to INTV version) is available at http://atariage.com/forums/topic/279920-controller-adapters-to-use-jaguar-or-genesis-controller-on-intellivision/ has $20 each completely built, but you need to add 2 Micro USB cables, one USB Power adapter, and (if you have Flashback controllers) you need 2 for $10 adapters from Nurmix. costs $57.

 

For the extra $25/2 players ($15/2 players if you don't need INTV 2-> INTV FB adapters) you get simul-presses, 3 independent buttons, a pause button where the start = 1+9 simultaneously, and being able to use a real INTV controller without replugging everything, and using the original overlays.

[mr_me]

I can't think of any intellivision games where I'd want to press two side buttons at the same time unless you find it necessary to fire a missile and a smart bomb at the same time in defender. Actually, it might help in sea battle. I haven't played sea battle for a long time.

[tripletopper]

If you can show me where there is NO case where you either need to press 2 different of 3 or all 3 at the same time, AND in no game would pressing T or BL instead off BR mess up your game if your fingers aren't synched up perfectly, then you made a case for THIS controller adapter.

 

However, all one would have to do is find ONE example of either one of those 2 cases, then I contest that it's not electronically original.

 

If there's only one game or a few games that uses it, you have to decide if that's a compromise you can live with.

 

Like the one 8 player Sega Genesis Soccer Football game only available in Europe and Brazil that uses more than 4 6 button-controllers, then you can reasonably assume that 4 6-button is the most you'll EVER need, unless a) you have more than 3 friends, b) who want to play 5-8 player soccer football (Bomberman I am a living example of 10 player couch co-op. I'm Mr Party Man, but Soccer Football, not sure.) c) have either a Foreign Genesis or foreign adapter, (even though I heard a Genesis Game Genie can play foreign games, just type in no codes) and d) the 6 button controls let all 8 players do something lesser controllers can't (if x, y, z, and mode call plays, only each team captain needs that to control bots, if they're acitons in games, then all 8 player would need one for a full experience.)

 

I have Double Dribble, which is 8 players, but it's only a 3-button game.

 

Likewise for Repro JagPro controllers I bought, the only game that one could argue for more than 2 JagPros is NBA Jam Tourunament Edition, and that game can be played on MANY other systems. I highly doubt that my friends have a specific Jaguar NBA Jam itch to scratch. So as soon as I get it, I'll sell my excess.

 

Likewise, unless there is a foreign game for the Sega Saturn which uses more than 2 3D controllers, 2 is the most I'll ever need. I'll sell my excess on Ebay also. If there is one, is it too dependent on language to be enjoyable by foreigners, like us (meaning me and my offline friends, not implying the whole AtariAge readership/authorship.) Americans are to Japan? If so, unless you can pick up hearing or reading native Japanese well, it might as well not exist. Although musical cues like the different mode themes in Chu Chu rocket would make it easier for foreigners, even if we bought a foreign version.

 

So I'm not a total gaming jingoist, unlike the average Japanese game buyer, where Sega was perceived as an American company in Japan and always failed in Japan. Same with Xbox. Name one successful American system in Japan. The closest thing was when Sega of Japan exerted muscle on the Saturn, and then their legacy went down the toilet, even though they had 2 great generations in Europe and Brazil and overcame a big deficit in America despite playing against a cutthroat monopolistic Nintendo of America. The Saturn's US failure even cancelled out Sega of America's Dreamcast success. Sega started as an "east meets west" company if you know Sega history. American money hiring Japanese labor to build games for American servicemen stationed in Japan.

[+grips03]

1 Almond adapter left for sale.

[K-Rod 13]

I'll take the Almond adapter. PM sent.

[+grips03]

Sold out.

[tbishop2]

Keep me posted if you make another run, please.

[tripletopper]

I understand why a Master System joystick is WAY easier than a Genesis Joystick. A Master System has 4 pins for each of the 4 directions, one pin for each of 2 buttons, one ground and one voltage pin. It’s discrete. It’s easier than a Genesis where you have to decode a Genesiis to discrete controls and then re-convert it to INTV system. So in theory, could a discrete input controller be easier to wire to your adapter than a SMS controller with a 1+2=3 setup, but instead have 3 independent buttons?

 

I was thinking of a "discrete input fight stick" input. I’m having one made for a lot of video games from Atari to Switch. The fight stick starts natively as a simple electronic signal, and a ground, and that can be send into an encoder. The 3 buttons are separate and native, so maybe, a DIscrete Fight stick adapter could be made with a similar technology as the Master System, since the SMS also a discrete input controller, except we have access to a third button natively instead of having to wire a 1+2=3.

 

If you want to use an existing controller, if you need 3 action buttons, and an 8 way joystick, maybe you can use an Atari 2600 Omega Race Booster grip adapter system, where 4 directions are NSEW, there are 3 buttons, one main button and 2 extra buttons that occur when "scraping the paddle" a ground pin and a voltage pin.X

 

Maybe this can be the basis for a 3-independent-button version of a 2600/SMS to INTV adapter. Is a scraping of a paddle as simple as sending a simple binary on or off signal through the paddle pins. If so then you can use a fight stick with discrete inputs wired to an Intellivision converter. You’d have 4 joystick directions, 3 independent buttons, a ground, and a signal.

 

An improvement over the current system is that you have 3 independent buttons instead of a combo of 2 equalling a third. If you can hook an existing INTV controller for the keypad, and "y" in a 2600 booster grip/discrete fight stick, then you have all 3 buttons and 8 of the 16 ways covered.

 

Also a single button 2600 controller can be used for single button INTV games like Burgertime.

 

I’d sign up for 2 of those.

 

If that’s an easy redesign, sign me up. Otherwise, I guess I’ll live with an SMS pad, I have 2 SMS fight sticks, a Beeshu SMS and a Sega SMS stick.

 

So what do you say @grips03, is that an easy enough redesign where you can have 3 independent buttons and have less complicated wiring? If it isn’t I understand. But am I making sense?

 

Now there’s a new use for an Atari Booster grip, and one that actually uses all 3 buttons.

[jaybird3rd]

So what do you say @grips03, is that an easy enough redesign where you can have 3 independent buttons and have less complicated wiring? If it isn’t I understand. But am I making sense?

As CPUWIZ has said before, since you have such specific ideas about how these controller adapters should work, why not just build one yourself?

[tripletopper]

1) I only know what I know. I will admit I don’t know what I don’t know.

 

I do not know how to build an Atari or SMS to INTV Joystick converter.

 

But I do know the SMS runs on discrete pin input, as looked up on other sites.

 

I don’t know the nature of he technology enough where I can build a device, but I assume there is a technology which combines discrete inputs like N and E and combine them to a pin encoding for NE, which does not equal the sum of N + E.

 

I assume that’s how the buttons A, B, and A+B equalling C is done. But can I assume it can be done equally as well with 3 separate discrete inputs for the 3 separate pins. If so then the Atari 2600 stick could work, the 2600 Booster grip could work (assuming I understand it enough, where the only difference between a digital and analog controller is a voltage difference indicating an intensity, hence you can use a dimmer switch on any electronic device, but it uses the same amount of power, but the light can be turned on to different degrees.) and definitely a Joystick with discrete directions and 3 discrete buttons can work just as well too. Just take out the 1+2=3 circuit.

 

That would also have the benefit of making the 3 buttons independent, which is the way the INTV is designed.

 

2) the only reason why I’m suggesting it is because I can THINK of the new approaches, but I don’t know how to physically do it. I don’t understand enough about electronics, but I know if you had 3 independent discrete buttons, you don’t need a button combiner circuit. And I read about the Booster grip where you can have 3 independent buttons with the Booster Grip.

 

I don’t expect a cookie. The only thing I "expect" is that if the solution is that simple, then I’ll stand in line to buy 2 for my INTV with the new feature implemented, just like everyone else.

 

Plus I know a place where you can advertise it, Shoryuken.com. A lot of custom fight sticks are designed with a one-input-one-pin design, designed to easily attach to 1 or more different fight boards. It’s it’s already designed to be swappable, then an easy peasy Intellivision adapter would be nice for such a thing. Just add it to the many systems it can play. If Booster grip supplies are low, then Shoryuken people can actually play Intellivision decently with joysticks they already have.

[Swami]

I understand why a Master System joystick is WAY easier than a Genesis Joystick. A Master System has 4 pins for each of the 4 directions, one pin for each of 2 buttons, one ground and one voltage pin. It’s discrete. It’s easier than a Genesis where you have to decode a Genesiis to discrete controls and then re-convert it to INTV system. So in theory, could a discrete input controller be easier to wire to your adapter than a SMS controller with a 1+2=3 setup, but instead have 3 independent buttons?

 

I was thinking of a "discrete input fight stick" input. I’m having one made for a lot of video games from Atari to Switch. The fight stick starts natively as a simple electronic signal, and a ground, and that can be send into an encoder. The 3 buttons are separate and native, so maybe, a DIscrete Fight stick adapter could be made with a similar technology as the Master System, since the SMS also a discrete input controller, except we have access to a third button natively instead of having to wire a 1+2=3.

 

If you want to use an existing controller, if you need 3 action buttons, and an 8 way joystick, maybe you can use an Atari 2600 Omega Race Booster grip adapter system, where 4 directions are NSEW, there are 3 buttons, one main button and 2 extra buttons that occur when "scraping the paddle" a ground pin and a voltage pin.X

 

Maybe this can be the basis for a 3-independent-button version of a 2600/SMS to INTV adapter. Is a scraping of a paddle as simple as sending a simple binary on or off signal through the paddle pins. If so then you can use a fight stick with discrete inputs wired to an Intellivision converter. You’d have 4 joystick directions, 3 independent buttons, a ground, and a signal.

 

An improvement over the current system is that you have 3 independent buttons instead of a combo of 2 equalling a third. If you can hook an existing INTV controller for the keypad, and "y" in a 2600 booster grip/discrete fight stick, then you have all 3 buttons and 8 of the 16 ways covered.

 

Also a single button 2600 controller can be used for single button INTV games like Burgertime.

 

I’d sign up for 2 of those.

 

If that’s an easy redesign, sign me up. Otherwise, I guess I’ll live with an SMS pad, I have 2 SMS fight sticks, a Beeshu SMS and a Sega SMS stick.

 

So what do you say @grips03, is that an easy enough redesign where you can have 3 independent buttons and have less complicated wiring? If it isn’t I understand. But am I making sense?

 

Now there’s a new use for an Atari Booster grip, and one that actually uses all 3 buttons.

 

He has said several times he's quit making them and not making any more. You really have to jump on things when they are available because they are often gone in a flash never to return.

[jaybird3rd]

On 3/23/2019 at 11:36 PM, tripletopper said:

1) I only know what I know. I will admit I don’t know what I don’t know.

 

...

 

2) the only reason why I’m suggesting it is because I can THINK of the new approaches, but I don’t know how to physically do it. I don’t understand enough about electronics

In that case, why not use a project like this as an opportunity to learn something new? Many of us started with electronics, programming, and other related activities because we had a problem that we wanted to solve, but that we didn't yet have the ability to solve. So, we set out to learn to create our own solutions, adding to our enjoyment of the hobby while also building skills which have contributed to our lives and careers in other ways. That's all part of what the classic gaming and computing experience is supposed to be.

 

The people who have put in the work to create their own games and custom controllers and adapters and the like will sometimes share the fruits of their labor with other like-minded hobbyists, if they're feeling generous. But they're not doing what they do primarily for you, and they're unlikely to be receptive to a litany of persnickety ideas and "suggestions" from people who aren't willing to put in any of the necessary work themselves. Ideas are a dime a dozen, and most of us already have many more ideas than we have free time.

 

So, instead of posting long laundry lists of the things that you want, and passively waiting for others to make them happen, how about taking the initiative to make them happen yourself? All the resources you should need are readily available, and there are plenty of people here who can answer specific questions, so you have no excuse not to at least try to break out a breadboard and figure these things out on your own.

[tripletopper]

I know ideas are a dime a dozen. I’m not expecting a cookie, a percentage of all sales or anything like that. I’m contributing with a new point of view. Maybe I thought of something no one else has, and my perspective, combined with existing knowledge, can make a 3-independent-INTV controller work.

 

I’m just asking if the the reason why the INTV only has 2 independent buttons and the third button is the 2 buttons combined is because the Sega Genesis controller back-maps to the Master System mode, and the reason why the SMS controller was used was because the the 2 buttons, 4 directions, ground, and voltage are all carried on one wire per signal. (At least that’s what read) And direct inputs means less decoding from an Encoded Genesis into discrete inputs.

 

I’ve got 2 suggestions for that. both mentioned above. One is a fight stick adapter, and the other is using an Omega Race Booster Grip. It could be remade with 3 independent buttons, because frankly, if you don’t press both buttons at the same time, you may misfire and press one wrong button. Not exactly a good design for games that need 3 buttons. But then again how many games need 3 buttons, and is vital not to hit the wrong button, and doesn’t need 2 or 3 buttons pressed together?

 

Second I didn’t see it was one run only and that was it. I was going to jump on one, but another Atari Age user promised 3 independent buttons at the same time for $20 each assembled. He wrote me a private letter, and I haven’t heard from him since. He’s got some family business, and he said he got 100 chips already made (50 Jag, 50 Gen), he just needs to retest and program them. ed told me privately, he had some personal things to deal with.

 

I honestly didn’t see it was one run and done. I joined in at the end. Now I just got to hope the other guy delivers.

 

In the meantime, maybe my suggestion would get renewed interest in iINTV adapters, and if a few of the users have twin button timing issues for the third button. If the guy who makes it needs a 4 way controller, has found a way to do diagonals where N+E<>NE but a separate code. I can se why you went with the 1+2=3 setup, becuase that’s how you do diagonals in the INTV, so one more circuit wouldn’t be much. But 3 independent buttons would be worth it.

 

Is the technology to make a diagonal send out a separate independent signal the secret, or is it available to anyone? If it’s available to anyone, do you mind if Edladdin looks at it and uses it for a fight stick PCB for INTV. He doesn’t know how to do it off-hand.

 

He was considering using an analog stick with 16 angle regions and 2 intensities, either 100% or 0%. If it’s not a big secret or if he’s wiling to give you a percentage of his sales for it, maybe he can look at the design, make his own with 3 independent buttons, and put it on his website to make a fight stick PCB for INTV.

[tripletopper]

If someone can point me to a circuit which may already exist, already built which can do one thing, then I think I can handle the rest by having my guy cannibalize an INTV Flashback controller.

 

The trickiest part is getter diagonals which are normally simultaneous actuations of 2 non-opposite cardinals and the cardinals being a single cardinal actuated, and getting some sort of circuit to convert the that into 8 discrete wire signals. Once I do that, I can have my guy wire the circuit in an adapter, made by disassembling a INTV Flashback, and viola, instant INTV pad hack.

 

Any such circuit readily available to buy? A web link or a a name of a circuit to look for would be nice. Why reinvent the wheel, when someone may have already done it?

 

I would ask Shoryuken people, but the earliest 99.9% of the people go on there is SNES, Genesis, and, Turbo Grafx 16 or later. Almost no one there deals with Intellivision, so explaining the concept of 8 individual actuators instead of N + E = NE s a big stretch there.

[+grips03]

maybe start your own thread?

[daldude]

COOL, I always wondered if it was possible because I wondered how would they deal with the Keypad to start games.

This is good for games that only need the keypad to select game levels and pause a game and would be good for Arcade and action games that don't need the use of the keypad during game play like Pac Man or Ms Pac Man or Astro Smash but it would not work for Night Stalker since you need to keypad to fire.

[+grips03]

I might make some more of these over the winter.  Let me know if there is interest.

 

Some changes I'm thinking about:

Drop Atari 2600 and SMS controller support.  Make Sega Genesis only

Support the 8bitdo M30 2.4G (wireless Genesis controller) and the Genesis controllers supported today

And stuff to prevent AC hum, when AC adapter is used in error

 

Also let me know if you like the mapping below or something else:

 

Genesis A button = Top action button

Genesis B button = bottom left action button

Genesis C button = bottom right action button

Genesis Start button = 1+9 / 3+7 (common pause for many Intv games)

 

I have no plans to support 6 buttons, so 6 button would be used in 3 button mode.

[tripletopper]

On 8/8/2019 at 9:29 PM, grips03 said:

I might make some more of these over the winter.  Let me know if there is interest.

 

Some changes I'm thinking about:

Drop Atari 2600 and SMS controller support.  Make Sega Genesis only

Support the 8bitdo M30 2.4G (wireless Genesis controller) and the Genesis controllers supported today

And stuff to prevent AC hum, when AC adapter is used in error

 

Also let me know if you like the mapping below or something else:

 

Genesis A button = Top action button

Genesis B button = bottom left action button

Genesis C button = bottom right action button

Genesis Start button = 1+9 / 3+7 (common pause for many Intv games)

 

I have no plans to support 6 buttons, so 6 button would be used in 3 button mode.

PS.  Thanks for removing the zero new info accidentally posted by me.

 

Most likely interested.  But I got a Couple of Questions...

 

1.  Is it better for you to go from Genesis straight to INTV, or to go from Genesis-> Discrete uncoded, and THEN  Discrete -> INTV?  If that's 2 separate steps, if you separate them ,then you have 2 products which combine into 3. Gen-> discrete, Discrete-> INTV, andf Gen-> INTV via discrete.  If not, I assume a pad hacked 3 button joystick would work.  But if they are 2 separate stewps, I;d like to see them in separate boxes so I can go straight discrete into INTV.

 

2.  Which of the 3 INTV versions will be the "default"?  INTV 1, INTV 2 , or INBTV flashback?  I don't care whnihjc excect I already gto $10=$20 investedn in INTV 1-> INTV FB cables, and another 10 in 3 INTV FB controllers.  If you individuaklly make the to order, I'd like an output to Flashback modded to INTV 1 cable.

3.  The keyboard on the adapter itself might not work for me, but if it's not to hard, instead of wiring them to 12 phone buttons, and then gets pushed in the martix, I was having a system where 4-5 buttons can be actuated by extras buttons not used as the main 3 and THEN pushed into the Matrix.   I was thinking of ahvingn the 12 buttons losse wired, then I can tie them in with Edladdin's ribbon cable.  I guessif INTV follows the original rule no keypad wiht anythign else simultaneously, then IO can build my own DB9 cable.

 

4.  You said by winter you'll make them.  What is the estimated cost for the Gen-> INTV adapter or the combined Gen-> Discrete->INTV asdpater  (if it';s the second, I;'ll pay sopmething extra to get those 2 dstpes unmarried.

 

5.  You don't have to accomadate certain button combinaiotns JUST for me, because I have easy-swap discrete inputs.  Buit you might wamt to read 56ok.org/Ambidextrous for my information about a dfferent button swapping that is needed for games liuke Tutankham, Side Arms and Pac-Land.I assume the new ones will cost a little more becuase of both natural inflation and research into the 3 button mode.

 

I'll probably be interested.  I'm just not sure ifm it wiill work either way.

 

B the way, and easy way to have X Y Z and mode mapped to 4 of the keys is having 3.5 mm holes  and an "assignment cable"m  Also T, BL and BR can be swapped around simialrly.

[+grips03]

I forgot another member here was working on Genesis to Intv adapter.  Hence I won't be making one.  No reason to have two people working on the same thing.

[rietveld]

On August 8, 2019 at 9:29 PM, grips03 said:

I might make some more of these over the winter.  Let me know if there is interest.

 

Some changes I'm thinking about:

Drop Atari 2600 and SMS controller support.  Make Sega Genesis only

Support the 8bitdo M30 2.4G (wireless Genesis controller) and the Genesis controllers supported today

And stuff to prevent AC hum, when AC adapter is used in error

 

Also let me know if you like the mapping below or something else:

 

Genesis A button = Top action button

Genesis B button = bottom left action button

Genesis C button = bottom right action button

Genesis Start button = 1+9 / 3+7 (common pause for many Intv games)

 

I have no plans to support 6 buttons, so 6 button would be used in 3 button mode.

Can u put me down for a pair of grey please 

 

[tripletopper]

On 11/27/2018 at 2:23 PM, tripletopper said:

This adapter is $32 dollars $5 for each of 2 adapters, and $11 for each of 2 specific power cord adapters.

 

The OTHER GENESIS TO INTV ADAPTER (also has a Jaguar to INTV version) is available at http://atariage.com/forums/topic/279920-controller-adapters-to-use-jaguar-or-genesis-controller-on-intellivision/ has $20 each completely built, but you need to add 2 Micro USB cables, one USB Power adapter, and (if you have Flashback controllers) you need 2 for $10 adapters from Nurmix. costs $57.

 

For the extra $25/2 players ($15/2 players if you don't need INTV 2-> INTV FB adapters) you get simul-presses, 3 independent buttons, a pause button where the start = 1+9 simultaneously, and being able to use a real INTV controller without replugging everything, and using the original overlays.

If yu clkik that link I found aboiut, you'll ssee @7800fan stopped answering the forum over a YEAR AGO.  He said he tested the cirtuit and was being shipped.  Ovw=er 12 calendar months later.  He stopped.  If you're waiting for ghim, it will be a longtkme.

 

I know ow you can start and help me.   I dont HAVE to have a Gen-> Injtv converted. I assume you know enough of INTV code, where you can buiul d a discrete input to INTV adapter. If you're having a tough time decoding Genesius, Start witt the parrt youi knwooow and tthe onlty parrt I want. Discrete  4 unique ways that combine for diuagonals, 3 buttons, abnd 12 keys>  Thnagt's 19 inputs.  So if you cando 19 inoputs m apped into 9 pins. 

All I ned it discrete to INTV.

 

Ps  I found the guy who can pbuild any INTVtop INTV converte 1-?2 1_/ FB 2->? 1 2 -> F FB->1 ad FB-2

 

By the way I ave 3 flashback controllers and 2 modded 1-> FB cordsr  All I ned is a simpkle Y adapter to add a real INTV pad, and a discrete-INTV (preferably FB, but if mass produciotn keeps it down, I'll accept 1 or 2.  and order from @nurmix

 

IOf you take orders, I prefer a FB pionned Discrete-> INTV adapter, but a 1 or 2 will go, and I'll jsut ask Nurmix