BASIC's question mark and PRINT
Gordon JC Pearce
gordonjcp at gjcp.net
Mon Nov 21 15:09:20 CST 2005
Jim Battle wrote:
> Allison, that seems unlikely. Later versions of microsoft basic
> certainly didn't use any value lower than 0x80 for tokens. Even if you
> could find a few characters in the "live" portion of the ascii table
> that didn't lead to ambiguous parsing, I can't think of a good reason
> why they'd do it -- there was enough room at 0x80 and above, and not
> enough unused values below 0x80, so why have two lookup tables when one
> would do?
Aha - didn't the last letter of each keyword have bit 7 set?
That would mean that it would be 63+128 = 191
Just a thought.
Gordon.
More information about the cctalk
mailing list