> On 2020-03-25, at 16:09, groepaz_at_gmx.net wrote: > >>> "It was also possible, without requiring a VIC-switch, to connect two >>> Commodore 64s to one 1541 floppy disk drive ..." >>> >>> Has anyone tested that? Is that a fully deterministic/reliable behaviour? >> >> As far as I know, you need to release the CLK (or is it ATN?) line after >> using the drive in order to not lock up the chain: >> >> C64: POKE 56576,PEEK(56576) AND 239 239 is $ef, which makes it CLK output line. So the computer does not "release" the CLK at the end of activity? Always? Or just in some cases? Interesting why does it want to keep driving the line. Might of course be just a semi-bug in the KERNAL, which CBM propagated to newer machines. -- SD!Received on 2020-05-30 01:22:09
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