On Tue, 28 Apr 1998 email@example.com wrote: > Hallo Andrew, > > > I heard that some people had a way to pass from C64 mode to C128, and it > > used this address. Don't know how it worked though. > > Neither do I. But IMHO register 0/1 has nothing to do with the mode switching > at all. It doesn't. Bit 6 is connected to the CAPS LOCK a.k.a. ASCII/CC a.k.a. ASCII/DIN key. There's no other way to get back to C128 mode than a hardware reset. The C65, on the contrary, boots up in the C64 mode. If you examine the reset routine of the C65's C64 mode ROM, you will see how it switches to the C65 mode (writing to several VIC-III registers in the right sequence). Marko
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