Hello! firstname.lastname@example.org wrote: > I assume you mean /EXRAM and not /EXROM? Yes of course :( > Did you determine whether your MAX machine matches the schematic from > Ruud or the reversed engineered one from Donato Travaglini? The ones > that Steve and I have match the latter and for those, pins 9 & 10 must > be jumpered for the CIA to get it's select signal. I have yet to check it, but for now I assume that the latter (Donato) will be correct. > How will you initialise the latch when you power on? In my prototype I > used a 74LS174 which is a hex latch with a master clear tied to the > reset line. This way bank 0 of the EPROM is always going to be selected > at reset and it meant I have a reset button which always takes me back > to the image selection menu. Yes, of course I forgot to mention that the /CLR input of the latch is tied to the /RESET line. Regards, Michau. Message was sent through the cbm-hackers mailing listReceived on 2013-10-22 15:01:41
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