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Posted Fri Jan 27, 2012 4:21 AM
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Posted Sun Jan 29, 2012 11:02 PM
What the drive emulation modes don't do is actually run code on the drive. This is the main reason that I don't want to do full Happy...I haven't looked yet at what the Happy software needs though since it's possible it mainly just wants a few more extended commands, and some of them like read/write track wouldn't be too bad to add.
step rates for the various drives are correct. The 810 mode uses 5.3ms/track, the 1050 modes use 10ms per half track, the XF551 uses 6ms per half track and Speedy is ~4ms/half track.
Posted Tue Jan 31, 2012 1:15 AM
Posted Tue Jan 31, 2012 5:39 AM
I also can't get over how loud the 1050 disk rotation sound is... it sounds more like sanding than spinning.
Posted Tue Jan 31, 2012 5:48 AM
This struck me when I first got a 1050. It sounds like an old washing machine.
Posted Tue Jan 31, 2012 10:32 AM
Posted Tue Jan 31, 2012 11:38 AM
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Posted Tue Jan 31, 2012 12:44 PM
Fox, I know I'm old and senile these days but I never spotted what your avatar was til now............LOL.....
Posted Tue Jan 31, 2012 2:19 PM
Ha ha ...The old 1050 grind, the grrrrrrr grr was deafening on my original machine, I always expected it to spit the disc out in little bits when I closed the lever on the front. And when the 810 hit a bad sector, wow..
Posted Mon Mar 19, 2012 5:02 PM
What confuses me is the 1050 drive seek. From the sample, the drive appears to be seeking at 26ms/track, which is considerably lower than the 20ms/track that it should be doing according to the firmware.
Posted Mon Mar 19, 2012 9:18 PM
Posted Wed Mar 21, 2012 3:30 PM
I got the 26ms/track from measuring the waveform period in Audacity for the 1050 seek samples, and by comparing the pitches by ear between the sample and Altirra. I had to substantially slow down the seek rate from 20ms/track to get them to match.
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