On Fri, 11 Mar 2011 04:39:02 -0600, GrayShark wrote: >> I think the order went the other way -- I think most of the ANSI >> sequences were inherited from the VT52/VT100 terminals. > > Are you implying ascii came after the VT52/VT110 terminals? VT52 is a > ascii code based piece of shit, including the backspace/return character > set (which Windows still honors like it's a deity). > He said ANSI, not ASCII. Any, yes I think VT100 preceeded ANSI escape codes too. ANSI codes are very similar to VT100 escape codes. I don't remember seeing ANSI codes before the MS-DOS ANSI driver was introduced but I'd used VT100s long before that on assorted minis and 8-bit micros.
> Working from the old days, the ascii set used 0->127 (zero -> seventh > bit) to represent special keys and sounds, letters, numbers and common > punctuations. The eight bit was reserved for error correct. Remember > this was a serial 'printer' console language. It need updating as much > as the QWERTY keyboard does. > > Sometime after 1975, graphical glyphs were added, using the eighth bit. > Some VT models supported the extended ascii, as did IBM-DOS. > > Strange the history one remembers. -- martin@ | Martin Gregorie gregorie. | Essex, UK org | -- http://mail.python.org/mailman/listinfo/python-list
