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Found 96 results

  1. Be sure to check our ban free Facebook group! In just a little over a month of starting this group we are almost at 500 members already! Join us at www.facebook.com/groups/colecovisionworld
  2. Refurbished and Composite modded console with 2 controllers with ball knobs and straightened cords and original power supply $199 + shipping Set of black controllers refurbished with ball knobs and straightened cords $60 + shipping Set of Tan (Adam controllers) with ball knobs and straightened cords $50 + shipping. Thank You AtariAge for over 7 years of ColecoVision mods! I've modded over 500 ColecoVision consoles and over 1200 controllers. Feel free to contact via messenger if your looking for any ColecoVision services. ***Newest offering F18A install. $169 + return shipping that's parts and labor. Great mod connect directly to HDTV with VGA port, or use a converter to go from VGA to HDMI. *** Ask about availability of ColecoVision hardware. I may have expansion modules or modded console(s) with or without controllers and power supply. If available Atari expansion module $20, steering wheel $25, Roller Controller $30, RGB modded console (console only) $199. Complete system with RGB, composite, pause, intro skip BIOS, 2 controllers and power supply $329. Plus shipping for all these listed items. RGB mod: Here is a link to a thread in the ColecoVision Forum: http://atariage.com/forums/topic/232809-new-rgb-colecovision-mod/ Here is a quick video I made with cell phone showing the RGB mod connected to the Framemeister and the HD Video Converter on a Vizio LCD TV. RGB mod outputs awesome video signal and dual mono audio through a discreet 8 pin mini din jack on the back of the console. This mod was designed to be used with a RGB to HDMI scaler. The XRGB mini Framemeister and the HD Video Converter (sometimes referred to as Panlong) are my tested and recommend scalers. They provide awesome picture quality on LCD/LED TVs. This RGB mod should also work with any monitor that accepts a 15khz video signal, although I have not tested on any monitors and cannot make any guarantees. https://www.amazon.com/Panlong-Converter-Scaler-Coaxial-Consoles/dp/B00D86UYBS/ref=as_li_ss_tl?ie=UTF8&qid=1420692028&sr=8-1&keywords=scart+hdmi&linkCode=ll1&tag=atariage&linkId=6f51c402c5548c619cfeae00ff569b61 I have also seen them on Ebay for around $43 with free shipping. RGB Cables: Your choice of one of the three cables listed below is included with the RGB mod service. One or both of the other cables can be purchased at the time of service. I won't sell cables separately at a later date. 1. male to male 8 pin mini din cable. This will plug directly into the back of the ColecoVision and directly into the 8 pin mini din jack on the Framemeister. $10 if you choose another cable and want to add this one. 2. male 8 pin mini din to male 21 pin connector wired EURO SCART. For use with the HD Video Converter. $15 if you choose another cable and want to add this one. 3. male 8 pin mini din to male 21 pin connector wired JP-21(Japanese 21) RGB. This will plug into the 8 pin mini to female JP-21 adapter that is included with the Framemeister. $15 if you choose another cable and want to add this one. DIY Composite video Mod board (cord included) Picture below DIY purchase price for mod board with a/v cord included $29 shipped anywhere in the USA. This board was designed and tested for NTSC. The ColecoVision outputs only mono sound and this mod outputs the mono to both left and right. (dual mono). If you choose to buy a Composite modded system from another seller on Ebay, Craigslist ect...make sure they are using the LM318 amp chip and not the transistor mod. The transistor gets super hot and is prone to failure and there are brightness issues. Installation Instructions: ColecoVision DIY Mod Installation.pdf Prices: Repairs requiring chip replacement extra. Console refurbished with no mods. $40 + return shipping. Console refurbished and A/V mod board installed $69 + return shipping, a/v cable included. Console refurbish and RGB mod installed $109 + return shipping. $20 off if you send a working console that I have previously serviced for upgrade. Your choice of 1 of 3 RGB cables listed above is included and the other cables are available for the listed prices. Add composite video mod to RGB modded console for $29 (DIY price with free install) a/v cable included. Controller refurbishing $20 each or 2 for $30 if combined with console refurbish and mod install. Ball knobs and cord straighteneing are free options with controller refurbishing. Intro Skip BIOS $15 and Pause Button $35. Or both together for $40. BIOS and Pause only available additionally with console refurbish and RGB and/or A/V mod. All my mods are shown in this I made, with the exception of the Intro Skip BIOS and RGB. Here is a link to my Intro Skip BIOS thread http://www.atariage....nstall-offered/ and here is a link to my profile. I have links to all my mod threads on my profile. http://www.atariage....r/23318-yurkie/ If you have any questions please feel free to ask. LEDs are now 3mm red. These are much more discreet than the 5mm blue. I added 2 clear LEDs that light up blue. Power LED comes on when power switch is turned on. Pause LED blinks when Pause switch is flipped on. 4 second video showing blinking pause LED. LEDs $15 each. Power Mod: This mod eliminates the unreliable original power supply. A 12V regulated supply with barrel plug is inserted in barrel jack on the back of the console. 5V and -5V are internal. This mod is $50 + return shipping. Power supply may very from pic, but will 6' or longer total length. Pictures for reference. ColecoVision DIY Mod Installation.pdf
  3. I´m have two facts in Colecovision history what I don´t find anywhere: - What year Eric Bromley was hired by Coleco? - Year what Coleco created your P&D departament? Someone know?
  4. Hello everyone, I have a problem with my colecovision. It worked fine when I used it last week, but when I tried to play some pepper II the screen started messing up. I've attached a video. Does anyone know what causes this issue? It's not the RF cable. VID_20210215_224823.mp4
  5. I accept PayPal payments, will ship anywhere in the world at the actual cost of shipping using USPS Priority Mail from area code 60056. Any order over $50 should include the purchase of additional USPS Shipping Insurance... completely up to the buyer.. Check out the pics and PM me if interested in any of the items or you have any questions and please include your zip or postal code so that I can work up the shipping costs.. If you live in my area, we can also work out a meet so as to save on shipping cost.
  6. Does anyone know the volts, milliamps and the polarity of the original Gemini power supply? Also is it DC or AC?
  7. I have a large catalog of labels to choose from. I will only produce those labels that I've cleaned up myself. These labels are 100% reproduced by me and printed on high quality sheet labels. The labels are then laminated and computer cut to proper size. You get a peal and stick label that is glossy and smudge proof. I have way too many labels to picture and I have more than just Coleco branded Colecovision labels. Including: Coleco, Atari Soft, Parker Bros., Activision, and many more. Please PM me for my current list of titles and prices. (Many labels are just $2.00 each) Pricing is based on the type of label. Please keep in mind there is a $20.00 minimum purchase (not including shipping charges). Shipping is $7.00 inside the U.S.A. via USPS Priority Mail. Shipping OUTSIDE U.S.A. is $12.00 USPS First Class International mail. I except payment via PayPal only. PM me if you are interested or just have questions. Thanks! P.S. Here's the thread that started all: Colecovision Labels Thread. Again, please PM me for my current list of titles and prices. Update (11/30/2016) Updated description text and picture with new costs.
  8. This is a bit of a followup to a post I already made about a power supply I was working on. Anyway I was able to get the adam to run by just running my own wires to the db9 connector instead of using a serial cable. I now have the problem that the thing only runs if I hold down one of the reset switches and even then the picture is noisy, and the channel 3/4 switch seems to do nothing. If anyone knows what's going on here let me know please. I want my desk space back
  9. So im attempting to make a psu for my adam. I bought one that somoneone on YouTube recommended and followed a pinnout I found. When I tried it I got a black screen with some static. Checked the voltages at the supply while plugged in to the adam and they seem normal. Checked the voltage at the end of the cable and they were the same. Checked the voltages on the other side of the connector inside of the adam and they were low (like 10v, 1.7v, -6v) not sure what's up if the connector is bad, checked a few of the pins on it and they didn't have high resistance. I don't know if this is normal or not or even if the computer works, so any help is appreciated.
  10. https://atariage.com/forums/profile/73874-itchy-scratchy/content/?type=core_statuses_status&change_section=1
  11. 1st Screen shot of where we left off back in 1982.... Generated for the Colecovision tested in CoolCV But, can you claim your prize or is this just the beginning? E.mul T.wo
  12. Technical question that needs insider info. I have several versions of the TI 9928 book including an original I received in 1984 just by calling Texas Instrument. The way I understand it is the Chip itself has a basic type of BIOS. I also understand that this is locked inside the Colecovision. However, a...Could a jumper unlock it (doubtful) but b... Is this bios a standard generic bios or one written for the Colecovision environment itself. Knowing a bit about chips that most of these are write once but some if you add voltage on certain pins they can be written to. I know this is above a lot of peoples pay grade but hopefully one of you knows just enough that may lead to more information. Maybe something Howard Eglowstein can answer if he pokes his head around here on occasion. I know he does over on the ADAM Facebook page.
  13. Here is an early version of the Tripplin Game (Tripple-Trippin) FROM SCRATCH (C) 2020 Will be 3 classic games from the 80's v3.5 mind you I am on v19 working on bugs and polish. This plus the 2 other games built into later revisions of this rom. If I gave you v19 that would give away too much of the mystique. So, I wanted to get your input. If it works on real equipment because this seems to be an issue with our games right now. Speed, stuttering, NTSC/EU if you can manage it. There are no menus, no skill levels to set but if you press 1, 2 or 3 on keypad #1 during game play you activate Live Tiles (tm) I have worked out the mines blowing up each other and I am not sure about everything that works and not on this version. Shooting mines makes the score go haywire in this early bugged release. 2 players are working. Shooting each other has been disabled. No sound or music. The play field is 100% random when the menu system is running because the seed value changes while waiting for you to select a game. In this version it jumps strait to the game for testing purposes so the mines stay the same after each reset. But, here you go for now. 100% Assembly Language 6000 lines of hand typed Code Tripplin v3.5.rom
  14. I would almost be ignorant to believe that this questions has never been asked. Has anyone attempted to make a Colecovision cartridge with battery back up. I am researching my options as far as how large I can make a game. We have seen the limits of the Colecovision in our games. A quick shoot 'em up, what's your high score but there is another reason why that is all we ever had and no save game feature on the Colecovsion. Shove the cartridge in, play the game then put your cartridge back on the shelf. DONE! I have no issues with creating a decent size Zelda-ESK adventure game with a feature to save your progress. I mean seriously... If I have to be limited to a password system then so be it but I would rather have something that you can play till you are tired, save your game then turn it off until you are ready to progress. So lets make it happen people. BTW, I know this can be done with emulator save states or better yet make a full ADAM game using file BIOS features saving to data pack or disk but how much more can we do with cartridge based games. Let's not allow the TI 994A to be the only hobby machine from all these years. Heck, I have seen more done on the old TRS 80 than I have for ADAM...
  15. So far it is pre-animation and a map with room numbers but whomever wants to give feedback is welcome The offsets have not been tuned so you might get stuck in a wall. If you stay within the green lines you should be fine. Do not go left in room 0, that is INFINITY!!!!!!!!! You may get the same result at the end in room 128. I would like to get the approval of the original author but if that is not the case I can tweak this to be an entirely different game. All 129 rooms are there 0-128 Enjoy !Shamus v2.5.rom
  16. Hello ! I can not find any informations about this fact, do you know more ? Is there a website about coleco european games rarity and differences ? I own two versions of Colecovision Parker game : Super Cobra It's european versions, they work similar on my rgb french scart console Product number is the same No. 971505 Boxes are different : - Packed in France by Miro-Meccano - Packed in England by the Palitoy Company Cartridges looks the same, stickers are the same, but PCB looks different : - France version pcb have all the pins and is clear - English version pcb is dark green and miss some pins
  17. Polishing up my game and I am running into small issues that some of you brains might be able to help with. One, I am running out of time because of Christmas and Grand kids flopping about. Two, I am running out of time because of Christmas and Grand kids flopping about. With that I would ask if anyone in the community has an accurate count down timer like that featured in Donkey Kong, Blasto or your common core game with a count down timer. I have two players competing for merchandise on the screen with a count down so the higher score wins after time out. My routines work but they are iffy at best so if there is a professional formula that also shows a 3 digit display anywhere on screen Please, code must be in Z80 assembly. Tony Cruz gave me some insight on BCD and now I am thinking I was pretty dag on good with my coding, I have done some things you shall see, however this went over my head and just did not work the way I thought it would. A simple 3 digit display timer that counts increments of 1's from 199 to 0. TIA always.
  18. Did you know COLECOVISION was SUPPOSED to be in Video Games: The Movie? Watch the DELETED SCENE: https://www.youtube.com/watch?v=P_7AQZhV6ko
  19. Hi, I've recently come across two Coleco Gemini consoles. I got one working no problem, but the second won't display any Picture. Powers on as my TV goes to a solid grey screen. Known good power supply. Known good game Known good AV Chord. Tested all the above with a working Gemini and it works very best, so the problem is isolated to the guts of this console. I checked the power input and reinforced the solder on it. I checked the voltage regulator and it seems ok. I've also re-flowed the solder to the cartridge slot and all the chips. I think the RF Modulator is bad but I'm not sure how to test it with my multimeter? I removed the shielding from it to get a good look inside and re-flowed all the joint to all the components but nothing has changed. Also, is there a way to confirm if a chip is bad with a multi-meter? I searched on here to find any threads with a similar issue and there's not much for this console. What I've dug out was some people mentioned that its made with off the shelf cheap parts and the solder is notorious for failing. So those are the issues I tackled first but still the same grey output on the screen. When I wiggle the channel select it does have a effect on the screen though. At this point my guess is bad chip(s) or bad RF Modulator. I guess it would make a good candidate for a Composite mod, but I've never done it before and not even sure if the kits for a 2600 would work on this thing. I've searched for anywhere that would sell parts for this thing (especially the chips) but that too seems pretty hard to come by. I can provide photos if anyone wants to take a stab at it. Any help would be greatly appreciated. Thank you.
  20. https://atariage.com/forums/profile/73874-itchy-scratchy/?status=86004&type=status
  21. Now that I am a month and some change away from releasing my work I would like to call on those of you that have already traveled this road. I can print my own boxes but would rather have someone who already does this and has the equipment to handle at least 100 units. I am in no way expecting my game to be popular but there may be some out there that would want a physical collectors version with a proper box and manual like the old days. Being as I also want my work to get out there and not charge a fortune which doing this myself would do. So please PM me with ideas and contacts. Also, this is related to my programing work but may not be directly programing so if anyone wants to transfer it to a proper place in the thread please do so.
  22. In order to contribute and help budding Coleco/ADAM programmers I intend to share various code snippets that will help you along. I have found over the years that specific details are hard to come by so I will help where I can but I am not going to teach you Z80 assembly language. It is not as hard as you think and can look intimidating at times but don't give up. If you use assembly language you will gain speed and space over any higher level language. (my opinion you may feel different) That said. Have you ever wanted to know what pattern your sprite is over or just wanted to know what pattern (or color) is at what position on the screen. Maybe you want to build a wall that you do not want to pass through so your wall is pattern 45. Well, you can say if a = 45 then do not pass. In assembly that looks like this LD A, ???? (magic number) CP 45 ; (Compare) or if A = 45 JP Z DO_NOT_PASS ; If yes then jump to Do not pass routine if no then continue on. ; Continue Journey code.... RET ;(Return from where you called from) DO_NOT_PASS: ; Do not continue moving through pattern. RET ;(Return from where you called from) But how do you get that important magic 45 or other value into A Well, in another post I will show you how to set up graphics but for now we will just say it is there. For now it is sitting in GRAM, VRAM....The Ram connected to the TI9928 Graphics Chip. The way Colecovision works is that the Z80 uses Ram and the Graphic Chip uses Ram so in order to get to the 16k Graphics Ram you have to go through a port which kind of sucks because it creates a bottle neck. However the Z80 is mighty fast so we can get away with a few things and scrolling is not one of them. That does not mean you can't have scrolling games, it just means they won't look as smooth as modern systems. Because Coleco Sprite Y and X values range from 0 to 192 Y and 0 to 256 X we have to divide them by 8 to get the proper Rows and Columns In the Coleco world we have 32x24 screen patterns (768) Mathematically it all adds up and divides equally as you would expect in the computer world. The routine is actually 4 parts. 1st is to divide by 8 and get the Rows 2nd is to divide by 8 and get the Columns 3rd is to send (OUT) to PORT 0BFh. 4th is put that returned value (IN) 0BEh into A Port BE VRAM Data (Read/Write) Port BF VDP Status Registers (Read Only) I do not want to get into the AND's and PORTS right now because that is information overload and a distraction so for now I am sticking with minimum code. Copy and paste or use the asm attachment. ; Tile Identify Routine (c) 2020 "From Scratch" Enterprises ; Free to use but please use love for me in the credits. ; To find Pattern under Sprite. (upper left hand corner) ; Sprite Definition (Y, X, Pattern, Color) ; LD Y into (OFFSET_Y) and LD X into (OFFSET_X) then call SPRITE_TO_TILE ; Pattern value will come back in A ; To find the pattern on screen (no sprite) LD HL with tile position 0-767 + VRAM_NAME ($1800) ; To find the pattern color (no sprite) LD HL with tile position 0-767 + VRAM_COLOR ($2000) ; Call QUICK_TILE. Pattern value will return in A VRAM_NAME: EQU $1800 SPRITE_TO_TILE: LD HL, VRAM_NAME LD A, (OFFSET_Y) ; offset Y (ROW) CP 0 ; can't divide by zero skip to find Columns JP Z, FIND_COLUMN SRL A ; divide by 8 (192/8) 24 Rows (actually divide 3 times by 2) SRL A SRL A LD B, A LD DE, 32 XOR A ZERO: ADC HL, DE DJNZ ZERO FIND_COLUMN: LD A, (OFFSET_X) ; offset X (Column) CP 0 ; can't divide by zero skip to QUICK_TILE which calls port to get value JP Z, QUICK_TILE SRL A ; divide by 8 (256/8) 32 Columns (actually divide 3 times by 2) SRL A SRL A LD E, A LD D, 0 XOR A ADC HL, DE QUICK_TILE: DI LD A, L OUT (0BFh), A ; (OUT) Lower Bits LD A, H AND 3Fh OUT (0BFh), A ; (OUT) Higher Bits EI IN A, (0BEh) ; (IN) Return value into A RET If you find errors or inconsistencies please let me know in the comments. Identify Tile.asm
  23. Does anyone have example code for a minefield explosion or similar? IE you have one mine explode and if it is next to another mine then that one will explode which triggers any mines next to that one explode and so on. Here is another issue I have. Using negative numbers refuses to play ball no matter how many times I ask it. I have a set of numbers in a loop that goes something like. -33,-32,-31,-1,1,31,32,33 It works fine but when it gets to 1, 31,32,33 it goes bonkers. But if I get rid of the - signs it works but then the negative portion is jacked.
  24. https://atariage.com/forums/profile/73874-itchy-scratchy/
  25. Sydney Hunter & The Caverns of Death is coming for the ColecoVision! Sydney must navigate dark caverns while avoiding bats, ghosts, hot lava and other obstacles. If you can survive all 10 caverns, you will be able to win your freedom! Here's some screenshots of the work in progress
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