> the x501 might > need an additional gate on the R/W line that is controlled by the "gate in" > pin. Though my machines were working fine even with the gate in disconnected, > which affected the R/W timing only a little bit. Do you know or is it known exactly what gate in does? I haven't been able to find any detail about it. > PS: I have headaches when I think about the recently discovered behaviour of > writes/reads to unconnected bits of adresses 0/1. IIRC, the data direction > bit is connected, but the data port bit itself is not. why would this be a problem? bogax - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail email@example.com.
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