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Everything posted by 7800fan
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Just got a C64 and a SD2IEC, and I am totally lost....
7800fan replied to VicViper's topic in Commodore 8-bit Computers
^^ smart choice. SD2IEC is a cheap way to handle disk image and run some program on a real Commodore computer but many games uses custom fastloader software and expects you are using a real 1541 disk drive. SD2IEC does not fully emulate 1541 at all and will cause most games to crash or hang. A solution would be to use a disk copy software and copy from disk image to real disk, then run off real disk but that takes space, relies on finding discontinued and out of production DD floppy disks (1.2MB disks will not work, many people have tried and failed), and also expects you have a working 1541, which can be high maintenance project. Ultimate 1541 and UK both are real 1541 emulated and runs games off SD. -
How much are you willing to pay for a game?
7800fan replied to JustinMSalvato's topic in Classic Console Discussion
Whatever happened to Lynx Eye of the Beholder? That was crazy! -
3 TB that is a lot when you consider Atari 2600 originally had 2k and 4k program size. You'd need to duplicate the entire 2600 library about a million times over to fill that drive up.
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The camera hole in the first pictures make me think of Samsung phone.
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I also have the 4 ports and prefer that to 2 ports. There are actually 4 different variations. The original 4 port run does not work with 2600 adapter. The 4 ports console with a * in the serial number have revised design to work with 2600 adapter properly. Then there are early 2 ports consoles that has 4 ports BIOS and will work with those 3 games, and lastly, the later 2 ports console with revised BIOS for PAL support but broke 3 games. 4 ports can easily be modified to not need switch box, console5 has a kit for just a few dollars. Basically remove 2 original parts, install new jack on the console, wire in and add 2 included parts. Then sell that switch box (if you got it) on eBay for like $25. 2 ports that don't work with 3 games can also be fixed but getting to BIOS chip is a pain in the butt job, you have to twist about 30 metal tabs to remove RF shield in order to get to the original BIOS chip. I couldn't use my 5200 without the shield, the video was very fuzzy with the shield off.
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I got the rest of the parts yesterday (Saturday) so I got around to finishing this. I ran into another issue, the 15 pin connector I was going to use. The pins I had on the board is arrainged as: 15 13 11 09 07 05 03 01 NC 14 12 10 08 06 04 02 but the connector with cable I was going to use is wired differently, unexpectedly: 08 07 06 05 04 03 02 01 NC 15 14 13 12 11 10 09 So my original idea isn't likely to work without reworking what I had, and since such connector with cable is already scarce due to diminishing supply of old sound card replacement cable (ATX motherboard with built in sound chip made this obsolete) so I'll just change the connector onboard to regular 15 pin D connector and use extension cable, less headaches this way. The board with the corrected cable does work. I still need to adjust to get better centering as Pac Man keeps going down and right unless I pressed up or left. I need a better game cart for adjustment and testing all the functions. I don't have the flash cart, any suggestion for cheap cart that I can use to adjust the centering and to make sure all the buttons are working on my custom box? Going to send off the revised PCB design Monday, it'll be about 2-3 weeks before I get them back. I used iTead, I can get 10 or 12 for only $5 plus shipping, OSHPark wants almost $20 for the same and they only offer 3 boards. OSHPark is closer and I could get it faster if I needed quick proto and testing but I can wait
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snipped Just a friendly reminder, until UID is completed a buyer can still pay for it as much as 6 days after end of listing (2 days before UID can open and 4 more days) if you sold item via BIN and the later buyer then pays up, you would have 2 buyers and one item, and can risk a neg from one. All sellers should avoid relisting until after UID is completed.
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Possible to build a Trackball out of Arcade parts for Atari 7800?
7800fan replied to Wyluli Wolf's topic in Hardware
Sportspad controller in joystick mode works great on Atari games, once I got obscenely high score in Reactor from just one life. The controller in trackball mode only worked with SMS games and weren't supported beyond that, it is not surprising the controller didn't work well on Genesis games. -
VTech? So not worth much at all?
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MicroVision Replacement Screen - Let's get SERIOUS about it!
7800fan replied to KylJoy's topic in Classic Console Discussion
Why stop at LCD? How about LED? I have seen 16x16 LED matrix that comes very close to the size of original LCD. I don't know if there's available supply of these 16x16 LED matrix but if it's still in production or there's huge surplus then maybe try that? The only drawback is it'd draw more power and the battery won't last as long as with backlit LCD and microcontroller to convert old Microvision display signal to modern LCD. -
<GRAVEDIGGING> I have most of the parts and only needed to order diode (the ones I have are huge 5A variety and not for this project) and the analog switch chip plus the case and keypad. The enclosure has number pad and buttons mounted. I made a boo-boo with the original file I sent for PCB, I used the silkscreen for female 9 pin connector, not male! This is why the male connector is upside down in the picture, it's the only way to make it work correctly. Yes it does look like the variable resistor is backward but fortunately the pinout are reversible (center pin is tap) anyway so it's fine as it is. It would have mattered only if I was going to make a hole in the case for regular re-adjustment but I doubt it's needed at all. The chip already arrived. I still need the diodes (estimated date of delivery June 10-22, tracking shows it hadn't left Mouser warehouse) and to connect the 5200 connector end. Fixed the file for that 9 pin connector, and I am planning to send it in for another run. I may change the 2x8 pin connector to use actual 15 pin socket instead, the ribbon cable to db15 connector are pretty scare since cheap stand alone sound card with separate gameport / MIDI port connector aren't common as they were 15 years ago.
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eeo003 has her 5200 power supply relisted as for part or not working. This generally makes return harder but if someone buys that and gets a different one, eBay money back should still apply for not matching picture and description.
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Unlike eBay, there seems to be nothing to discourage or prevent shills. There's nothing to stop employees from making account and driving up auction of items from their own store. At least eBay tries to fight shills.
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I've seen NIB Atari 5200 available from Chinese sellers for $15 and NIB laptop from Chinese sellers for like 1/10th the retail price. If it's from China, skip it.
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I'll take it but I have a long wait...
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C64 newbie here... what are these mods?
7800fan replied to retro486's topic in Commodore 8-bit Computers
Some cartridge even supports JiffyDOS -
The Official "Thrift finds" Thread
7800fan replied to Happy_Dude's topic in Classic Console Discussion
I quit using photobucket long ago for hotlinking to forums. Beside their ads were getting annoying even if I am registered. I am using imgur instead, can even upload without needing an account -
Haven't looked there in some years. The price always went up higher than eBay price plus no buyer protection if I got shit.
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Theoretically you could replace the transformer and the power supply PCB with something modern. Laptop power supplies are common and some are good quality. Get one, say around 19v DC, rig up a 16v DC-DC converter, 12v DC-DC converter, 5v DC-DC converter, and a negative 3.3v somehow. (why does Intellivision needs negative 3.3v anyway?)
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eBay is at fault for launch edition fiasco. They have added launch edition keyword to every single fucking consoles. 6 switch heavy is the only true "launch edition", all other 2600 are redesigned and reissued. Mini SNES? Launch Edition! Majesco Game Gear that doesn't work with TV tuner and a few SMS games? Launch Edition! Atari 5200 with 2 ports and won't work with 3 games? Launch Edition!!! Seller did not add these, they are auto added by eBay. Seller needs to be aware and manually delete it from title when making a listing.
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I don't know anyone specifically in Phoenix area but there are a few good people on pcenginefx.com/forums/ (need to register first to use it) or if you have Facebook try https://www.facebook.com/groups/TurboTownTG16/?ref=bookmarks They can suggest someone to help recap or diagnose the sound problem.
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Pin 7 and 8 on controller port are for power and ground. If you have a meter, check for short between that 2 pins. Also carefully open up phazer and see if there are broken or loose wire somewhere. If it looks fine and isn't shorted, do you have another SMS to test with or another phazer to test on your SMS. This would help rule out which one is causing the shut down issue.
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I'd be happy if someone can make Crysis work on Lynx, and using McWill's LCD mod with VGA out, be able to support 1920x1080 and 60fps minimum.
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The Official "Thrift finds" Thread
7800fan replied to Happy_Dude's topic in Classic Console Discussion
New, never used. Great for keeping my C64 disk drive going a few more decades. -
If it's small enough, how about stuffing the gut inside a NES cart? NES cart is big enough on its own it could house smaller game consoles. You would need to relocate the Famicom connector to the cart end.
