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5-11under

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5-11under last won the day on September 3 2013

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About 5-11under

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    River Patroller
  • Birthday 02/06/1914

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    Ontario, Canada
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    Music, electronics, video game hardware, woodworking, programming

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  1. I had an Atari 800XL, which worked well for Word Processing (and more fun things), but in 2nd or 3rd year of College (around '88) we pretty much needed one to do programming. The rich kids were spending $2K+ on brand new 286 machines with orange monitor... poor guy here bought a still-expensive $1K "turbo" XT with green monitor - switch on the front changed speed to/from 4.7/8 MHz. The best thing about the machine was the case... push 2 buttons on the side, and the lid lifted up just like the front hood of a car.
  2. Are these boards better than "ahem" newer versions?
  3. Yep, both those terms should be the same. USB2 vs USB3 for just providing power shouldn't matter. (I think USB3 officially is able to supply more power than USB2, but that really only applies if you're plugging a device into a PC, for instance - where the specs of the PC's output supply needs to have a certain capability).
  4. Yes. It will only use the current it needs, so the 2A adapter can provide power to a 1A or 2A device.
  5. It will probably be okay. The TG likely doesn't need anywhere near 2A, so supplying 1A should be fine.
  6. The replacement screens have the reflector included, all as one piece, by the way.
  7. Sometimes. Sometimes the reflector gets corroded, and needs replacing. Usually that's not the only problem, but it could be.
  8. I love the ZX80 and ZX81, but I will admit that if you're trying to write a book, then those are not really the best choices... but neither is a Post-It Note.
  9. Mini update because my deadline is up... I did some investigation into shipping prices to China - the conclusion is that all methods are expensive. Anyway, the plan is to send this out tonight.
  10. The 3rd and 4th fire buttons map out similar to additional keys from the keypad... so you run into trouble when pressing more than one of any of those.
  11. You'd need a double-pole button, to activate the L and R buttons at the same time. In that case you have 3 options, besides none: 1) L, 2) R, and 3) L+R. If L+R is a fire button, then you wouldn't be able to go left and fire at the same time. You could do Pac-Man... L = left, R = Right, L+R = Up, Fire button = down. There might be some issues when transferring to/from the Up direction to the Left or Right, that would have to be managed. The spinners use two magnetic switches, to basically make a square wave. I think the closeness of the two switches allows you to discriminate the direction. Someone else might know the details better.
  12. Yep, only one missing. Does close count? A lot of these would work (if I'm guessing correctly, and maybe with some limitations)... - A ColecoVision version of Quad-Joust - A tank game (like Combat on the 2600) - A clone of Warlords, with play mechanics that fit joysticks better than paddles - Sport games (basketball, volleyball, dodgeball, hockey, maybe baseball, etc.) - A board game, like maybe a clone of Risk, or something more basic like Monopoly - Four-player Space War [don't know] - Four-player Snake/Surround/Tron Light-cycle game - Racing game à la Indy 500 or Off-Road - Four-player clone of Duck Hunt (with mobile aiming crosshairs) - Pac-Man clone of some kind, with four players let loose in a maze I haven't worked with programming the spinners for more than a few minutes, so I'm not sure.
  13. Unfortunately, you can't use all of the keypad and direction keys at the same time. Basically, for each of the 2 controllers, you have 6 input switches. You can divide that into 4 controllers that have 3 switches each, for example: left, right, and fire. If you want more than that, you'll need to use some trickery... You can take advantage of the fact that you normally can't press left and right (or up and down) at the same time (for a standard controller) - in that case, you can add an additional switch that basically presses both at the same time (and you'd be able to check for that). Now you've got 4 switches per 4 players (with some limitations). You can probably get some data out of the spinners, too. You could use some other more complicated timing routines from the controllers. Sort of a parallel to serial converter that takes all the inputs, and sends out a stream of data to the CV. There's also ways you could hook controllers to the cartridge slot or expansion slot - would need additional hardware, of course.
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