manhill Posted October 22, 2016 Share Posted October 22, 2016 guys, i got a pac-man cartridge for my atari 2600. strange thing is, pacman doesn't eat all of the pacs on the screen. some just stay there when he's moving over them. did someone ever discover such a strange bug before? i always thought a cartridge is working or is not working, but what could cause such a strange behaviour of the game? Quote Link to comment Share on other sites More sharing options...
fiddlepaddle Posted October 23, 2016 Share Posted October 23, 2016 clean your monitor Quote Link to comment Share on other sites More sharing options...
alex_79 Posted October 23, 2016 Share Posted October 23, 2016 I think that most probably it is caused by some bad ram bits in the console. If that's the case, you have to replace the 6532 "RIOT" ic. Quote Link to comment Share on other sites More sharing options...
manhill Posted October 23, 2016 Author Share Posted October 23, 2016 (edited) I think that most probably it is caused by some bad ram bits in the console. If that's the case, you have to replace the 6532 "RIOT" ic. i only have this problem with this one cartridge. i have another pac.man cartridge that just runs fine, also my 40 other games all run fine. the atari system is ok 100%, that's what really makes me wonder. Edited October 23, 2016 by manhill Quote Link to comment Share on other sites More sharing options...
Lynxman Posted October 23, 2016 Share Posted October 23, 2016 Please make a video. Quote Link to comment Share on other sites More sharing options...
atari181 Posted October 23, 2016 Share Posted October 23, 2016 Probably some sort of bit rot. Quote Link to comment Share on other sites More sharing options...
SnazzyCardigan Posted October 26, 2016 Share Posted October 26, 2016 That is quite strange and rather curious , would love to see a video. I have come aa cross disc rot, but never bit rot before and I have a lot of games. this is intriguing. I've just never seen a game have new glitches due to age vbefore Quote Link to comment Share on other sites More sharing options...
+FujiSkunk Posted October 26, 2016 Share Posted October 26, 2016 I've had a cartridge or two show curious behavior after something inside got fried. I don't remember the specifics now, but I had a Defender that didn't quite play correctly, even though other Defender cartridges on the same console played fine. Currently I have an Up'n Down that renders all the cars invisible, but otherwise plays "fine". Up'n Down on the same consoles with a flash cart plays like it should, with visible cars. If you have access to a different console, I'd suggest trying it on there. If you see the same behavior there, write it off as a fried cartridge, then sell it to Albert as a donor shell. Quote Link to comment Share on other sites More sharing options...
Goochman Posted October 26, 2016 Share Posted October 26, 2016 I was thinking this msg would mention a problem with the screen being blue, pacman looking a little washed out and the fruit rotten You'll get random results when things start to go wrong in the rom. Your prob lucky the game starts at all. Did you try to clean the contacts with isopropol alcohol? Quote Link to comment Share on other sites More sharing options...
manhill Posted October 30, 2016 Author Share Posted October 30, 2016 it's clean. i tried it on a different console, same results. i will post a video tomorrow. please stay tuned. Quote Link to comment Share on other sites More sharing options...
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