+tf_hh Posted April 2, 2017 Share Posted April 2, 2017 (edited) Do you have either the 130XE Dual RA or ECI2PBI cartridge adapters? If you do try what tf_hh is describing. I don't have the Dragon cart to test with, so I can't say if it will work or not. Did some more research... I changed the logic for the GAL (used in both adapters from Dropcheck, not depending which PCB I use for this trial) and insert the SiDE2 into slot #1, the DragonCart into slot #2. The DragonCart registers are always visible, independent on the position´s switch. Signal CCTL is always pass-through to slot #2 (where DragonCart is plugged in), sginals S4 and S5 are always high - and signals RD4 & RD5 or slot #2 are ignored. This works fine. But the SiDE2 seems to use anything in $D5F0...$D5FF. When I start up the system, then the screen looks like: Ultimate clock installed SIDE not present SpartaDOS X 4.48 23-07-2016 Copyright (C) 2016 by FTe & DLT So the RTC is found, but I think the APT driver won´t initialize. After detaching the DragonCart all is fine. Next try... I set the DragonCart to use $D5D0...$D5DF. This seems to work - but more tests must be done. I need some software to test the functionality of the DragonCart. Help wanted. Second... what I didn´t know... does the area $D5D0...$D5DF is used by SDX in any way? If so, then some time using SDX or the SiDE loader the system may crash. Otherwise this should be a good way to co-existence. New GAL logic for this experiment is sent to Dropcheck Jurgen Edited April 2, 2017 by tf_hh 2 Quote Link to comment Share on other sites More sharing options...
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