Wilheim Posted January 30, 2021 Share Posted January 30, 2021 Hi, everyone! I installed the Petersen’s 320kb upgrade for 130xe. It works fine for almost everything. But I found an issue with Commando+. The credits screen gets blank and it’s showing some strange horizontal lines. Besides that, it works flawlessly. The funny thing is that the upgrade is supposed to be “Rambo compatible”. But using Altirra with that configuration and also 320xl ram device, there’s no issue at all. Does anyone know anything about an incompatibility with the Petersen’s upgrade? Quote Link to comment Share on other sites More sharing options...
+Nezgar Posted January 31, 2021 Share Posted January 31, 2021 I believe the Peterson upgrade gives ANTIC no access to extended RAM. There may have been an addendum on how to have ANTIC switch with the CPU with a simple mod. I'd have to review the variations of the upgrade documentation. Quote Link to comment Share on other sites More sharing options...
_The Doctor__ Posted January 31, 2021 Share Posted January 31, 2021 (edited) I've posted about this upgrade quite a number of times including a switch to go to stock XE albeit with 192K and Peterson 320 with ANTIC following switch. Commando worked as far as I recall. search terms Peterson Switch _The Doctor__ or do a search under my activity whatever with peterson or 320 and switch Edited January 31, 2021 by _The Doctor__ 1 Quote Link to comment Share on other sites More sharing options...
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