| Editor's Notes |
Well I got back to Las Cruces as planned, after driving more than three thousand miles. Because most of my hamming is done while mobile, I talked to lots of hams too, mostly on 20 meters. The QSO’s even included some DX. The stay at the Air Force Academy was particularly interesting I attended a |
|
| QZX Friends |
W4EDL – Bob renewed and sent a generous contribution to the postage fund after a stay in the hospital. I am not sure of the connection, but at least he is doing well at home now. KF5GG – George renewed, ordered an index. and made a contribution to the postage fund. He also asked for |
|
| Some Possible Links Between the Z88 and Other Computer |
Diagram showing how to connect the Z88 to other computers. |
Cambridge Z88 |
| Tips on ZX81/TS1000 Computer Repair |
The following is a brief record, based on practical experience, of what kinds of things go wrong with the ZX81 and TS1000 computers and how to go about recognizing and fixing them. Your first clue as to what’s wrong is indicated by what does or does not come up on the screen. If nothing comes |
Timex/Sinclair 1000 |
| TS2068 ROM to EPROM |
One of the ways in which a TS2068 can be put to use in an unconventional manner is to replace the internal ROM chips with EPROM chips containing the program for the custom application. There are two of these ROM chips in the TS2068. The first figure shows where in the 64K byte address space |
Timex/Sinclair 2068 |