On Thu, 8 Feb 2001, Ruud Baltissen wrote: > > eg the Kernal hangs 'cause it can't find a second CIA to > > intialize or something. > > If the Max has only one CIA, at what address does it show up? The C64 has > two CIA's. Remove the "keyboard"-CIA, and you have no interrupt: cursor does > not blink. Remove the "drive"-CIA and you have no normal screen as this CIA > steers two lines of the VIC. Ya know, this is quiet curious, because the max needs the CIA for the keyboard because there's a keyboard ON it ;) Makes me wonder.. hm. I wonder if the vicII isnt locked to the low 16k of ram, since there's only a few k in there. > Presume the CIA of the MAX is the "drive"-CIA and the rest of the hardware > (addresses and wiring) is the same, you only have to "move" the interrupt by > replacing the addresses of the used timer by the ones of the "drive"-CIA. - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail email@example.com.
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