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Monte Carlos
Registered: Jun 2004
Posts: 351 |
Error message: "Found more than one drive on IEC bus" with C128D metal and recent demos
Sorry for this lamer question. I use an C128D(metal), currently (although i have used C64 for years until i got room problems with the complete setup).
I have attached a 1541 ultimate and changed the internal 1571 drive to device no 10 by cutting the solder pads. The ultimate has dev no 8. This way i can watch many, mostly old, demos with 1541U. However, the most current demos always complain about more than one drive being enabled. Ok, i thought, plugging off the internal 1571 from the mainbord should fix the problem. I was wrong. The loaders still complain about more than one drive.
Am i wrong with my understanding that plugging off the internal drive also disables the ATN signal? |
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Monte Carlos
Registered: Jun 2004
Posts: 351 |
Isn't it merely a matter of installing the tight loop in the right drive(s)? Can't the tight loop be simply removed again after loading? Then the drive should become active again. |
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Monte Carlos
Registered: Jun 2004
Posts: 351 |
Can the decision be left to the top level program? Let have four entry points: Install loader code in the main drive, install tightloop in the other drives,start loading,remove tight loop from the lower priority drive.call 1and 2 before loading,then call 3 and when you are sure, loading has finished call 4 |
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Krill
Registered: Apr 2002
Posts: 2839 |
Adding detection of a special wake-up signal to the tight loop would make it less tight, potentially making it too untight for the original purpose it is serving. |
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chatGPZ
Registered: Dec 2001
Posts: 11108 |
YO! reminds me of that famous Moses P. quote: "You guys are so tight, when i am done with you, it will burn" |
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Krill
Registered: Apr 2002
Posts: 2839 |
Quoting GroepazYO! reminds me of that famous Moses P. quote: "You guys are so tight, when i am done with you, it will burn" Klostein: Not. Even. Once. |
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