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Geoff Oltmans

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About Geoff Oltmans

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    Chopper Commander

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  1. Are there any 7800 emulators out there with interactive debuggers? That would probably be beneficial. I need to try and reassemble the code to make sure that my disassembled image still runs.
  2. Heh... this is my first foray into Atari 7800, so it's slow going. I've been trying off and on to identify the start of all the various graphics data. I've seen several places where the palette is changed as well as reading the switch states. I've studied over the Ms. Pac Man sources before so I have some idea of what I'm looking for.
  3. I know this is a somewhat dumb game.... but I don't care, I like it! It's mindless, sure, and I can't figure out what office/factory/warehouse would have tubes that people would use to get to different floors instead of stairs or an elevator, but whatever. It's fun! Who else likes this odd game?
  4. I've started disassembling the code on the game the other day. I'll see what I can figure out on it.
  5. Heh, if you're looking for accurate color you're using the wrong system here! Colors drift over time after powering the system on.
  6. Just got my Concerto today. Just tried it on my early unit and no dice. Mine's an AT84 unit. I've tried a handful of 7800 games other than that and they all appeared to be working correctly. Also tried a couple 2600 games and they were good too. The only issue I've run into apart from the above is while navigating the list of games it has locked up to a black screen which requires powering the unit off and on again.
  7. Hmm... interesting. I've got a Concerto coming now, and I've been wanting to tinker with the 7800 so this might be a fun project.
  8. I ordered something from a place in Oregon on November 29th with 2 day priority mail shipping. It was marked shipped and a tracking number showed it was delivered to the local post office on the 30th. The last update I've had on it was December 14th, where it was in Memphis. Memphis is about a 3 hour drive away from me and it still hasn't gotten here and no further updates on it.
  9. I like both Tower Toppler and Planet Smashers. PPII I think is a pretty decent little game. I don't have much experience with the other titles on the list.
  10. Better to ask this question in the Atari 2600 subforum since that's a 2600 clone.
  11. It's like the Drudge Report of Atari sales.
  12. I have a couple right now.... A GE Portacolor 9" TV from 1983 that is currently busted. Currently trying to get this one fixed. A cheapy GE 13" RF-only TV from 1993 that I picked up from the side of the road the other day in working condition. Other than that, a Commodore 1080 with a cheapy RCA VCR to demodulate the RF signal. I'm going to get rid of one of the GEs. The Portacolor I feel is more period-correct for my Coleco/Atari/Commodore habit, but the '93 set is a better set for the most part. Apart from the immediate problem on the Portacolor (at least a shorted rectifier diode on the AC input), it has some problems with the picture being washed out/too bright on the left 1/3 of the screen. I think it has some value these days, so I'm putting a little bit of effort into resurrecting it.
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