Hi Michael,"Michael J. Mahon" <mjmahon@aol.com> wrote in message I6mdnR58u_Sld1_VnZ2dnUVZ_qLinZ2d@comcast.com">news:I6mdnR58u_Sld1_VnZ2dnUVZ_qLinZ2d@comcast.com...
RedskullDC wrote: <snip>If you still want to talk to real Apple cards (which I expect you do) thenthe speed needs to be cut back to 1.024MHz when doing slot IO naturally.Just to limit the spread of this persistent error, the mean clock speed of the Apple II is 1.0205MHz... -michael
Thanks for pointing that out. Did a quick check in "Understanding the Apple IIe". Since I live in a PAL country and have discrete circuity, it should really be 1.02048432 * .9952696502, or 1.0156570722........ (According to Jim) Serves me right for not checking my facts. Red