Hello, > And in fact, Jim Brain's "Canonical List of Commodore Computer > Equipment", Version 2.0, printed in C=hacking Issue #15, from April > 1998, mentions at least two 2040 disk drives with two different DOS > versions, 1.0 and 1.2. > > * CBM 2040 > Dual 5.25" 170K, DOS1.0, Off-White, No Rel Files, IEEE-488. GP > * CBM 2040 > * Dual 5.25" 170K, DOS1.2, Off-White, No Rel Files, IEEE-488. GP > > http://www.ffd2.com/fridge/chacking/c=hacking15.txt That's right. The question is, who is George Page (GP). He owns this disk drives and the rare 8061, too. Is there a chance to ask him about the differences between the dos versions? > http://www.zimmers.net/anonftp/pub/cbm/firmware/README.txt > > See also the TOC entry: " DOS 1.0 Bug Notes (2040)" That's very interesting. But William Levak have only published the last page (49) from this paper. Is there a source for the complete paper? > I see some references that people back in the past wrote up articles > about all the bugs, but I can't find the referenced articles/boot in > electronic form. Did you have it as paper? Can you scan it? > At least Andrč mentioned that he wrote a tool that would be capable to > read out even DOS 1 FDC ROMs (from the RRIOT chip). I've seen. If time left, i try to compare. > I see, so you hopefully get it don't with your phi2 emulation ;-) Why that? You write "don't"... :-( Martin Message was sent through the cbm-hackers mailing listReceived on 2011-08-17 08:00:23
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