I started out "editing" on a keypunch. Oh well, at least that mainframe had a hard drive.
Lee - K5DAT Murphy, TX On 4/20/09, Curt, WE7U <[email protected]> wrote: > On Sun, 19 Apr 2009, Richard Polivka, N6NKO wrote: > >> Altair 8080. Having to write the bootstrap loader in 32 bytes (may be >> wrong >> on that length) to set the serial port, initialize the disk controller and >> >> where to start loading the bios, that had to be hacked on for your system. >> Of >> course both had to fit in one track on a 8" floppy. > > I started out w/o hard drives, w/o floppies, w/o tape drives. > Programs disappeared if you shut off the computer. Input was 8 > toggle switches (one byte wide) and a pushbutton, plus a few mode > switches. Put it in load mode, start flipping toggles in binary and > then push the pushbutton. Make a mistake, start over. > > The entire memory was 256 bytes. > > Output was two LED hexadecimal displays. > > I still have it somewhere. I should frame it. Or let my kids try > it. > > -- > Curt, WE7U. archer at eskimo dot com > http://www.eskimo.com/~archer > Lotto: A tax on people who are bad at math. - unknown > Windows: Microsoft's tax on computer illiterates. - WE7U. > The world DOES revolve around me: I picked the coordinate system!" > _______________________________________________ > Xastir mailing list > [email protected] > http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir > _______________________________________________ Xastir mailing list [email protected] http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
