Emulating a fairly unique floppy drive at a flux level is kind of a nightmare.
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Oooh, that is weird. Didn't they use a Transputer to run the floppy drive?
Maybe in the later machines, but this is the OG model from 1981. The controller, to the extent that there is one, is a 6803 with 2k of PROM, a FDC9216B PLL to do clock/data separation, and a bucket of discrete logic to make it masquerade as an SMD hard disk.
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I'm not having any trouble understanding the circuitry itself, but I've yet to work out how MAME's own flux-level disk image handling works.
@o_galibert is a far more brilliant coder than I'll ever be, but that unfortunately makes his code as opaque as a brick wall to me.Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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