On Fri, 5 Apr 2013, Spiro Trikaliotis wrote: > Hello, > > * On Fri, Apr 05, 2013 at 05:42:36PM +0200 Anders Carlsson wrote: > >> Hm, doesn't the VIC-1540 have some rarely used feature with a USR >> file named "&" that would automatically boot when turning on the >> VIC-20? > > Unfortunately, it autoloads a file in the floppy drive, not in the > computer. > > This autoboot-feature is there for the 1540 drive and early 1541 drives > (the ROMs -01, -02 and -03) had this autoboot routine. Even the 2031 > drive had it. > > The routine is at $E77F (in the 1540 and 1541 drives), IIRC. > > However, this feature was removed with the -05 ROMs of the 1541; later > drives like the 1541C, 1541-II, 1570 and 1571 do not have it, either. > >> I've never had the chance to try it myself, so it is very >> hazy memories. Otherwise * as mentioned would load the first (1) >> file from the floppy disk. >> >> (1) In case you just loaded a file, would * load the same file >> again? Again I have very hazy memories of reading that, but I never >> tried it as well. > > Exactly. That's why the file ":*" or "0:*" (which specifies exactly the > same) is a better choice: This is always the first file. 0:* is NOT always the first file. It's the last file referenced. It's the first file only if the drive has not referenced a file previously. 0:?* always gives the first file. The pattern matching ? forces it to go back to the beginning of the directory to do the search. wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing listReceived on 2013-04-05 19:00:03
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