Hola,
On Tue, 16 Oct 2001, MagerValp wrote:
> ?40960AND255
>
> ?ILLEGAL QUANTITY ERROR
> READY.
Interesting. The reason of course is that the AND routine uses signed
integers, which I never really realized. So this has a practical
application: computing tables involving signed numbers using BASIC. Like,
?255 AND -10
246
means that you can do something like
x=int(64*cos(t)+0.5) and 255:poke t,x
to generate signed byte tables (instead of "if x<0 then x=256+x" or
whatever).
(I dunno, maybe everyone already knew this).
cu,
-S
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