I think /IRQ is generated by the 6520 on UB12 by VERT DRIVE on CB1, coming from the CRTC through the 7486 on UC2. Am 04.11.2016 um 21:46 schrieb didier derny: > now the cbm8032 is powered with 12v DC with 2 diodes added on the > circuit to drop the 12v to about 10.8v (9.3v on unregulated connector) > when I check the 6v on the tape connector it is at about 6.05v seems > correct > > when I try to save a program everything looks ok > when I try to load a program seems ok to the ready but no cursor ? > any idea ? > > I may have a clue... the cursor blinking seems irregular I guess a > problem with the irq ? > any idea how the irq is generated on the 8032 ? 6522 ? > > thanks > > -- > didier > > > > > Message was sent through the cbm-hackers mailing list -- Christian Dirks Toast_r@Idealine.info Message was sent through the cbm-hackers mailing list
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