Am 14.09.2013 um 21:35 schrieb Chris Morley <[email protected]>:
> I was just reading Michael's last commit and it mentions
> that M7 and 8 can't be on the same line as they are
> from the same modal group.
> Is this normal?
yes, it's a rather irregular language construct, and afaict it only affects
m7/m8/m9.
I thought about repair, but it is in fact quite an invasive change - it means
adding another modal group so m7 and m8 can be in different groups, meaning
other groups shift, and arrays in the interpreter resize - since nobody
complained so far I stopped considering
note the bug showed during an internally generated command line, during M73
autorestore only if M7 and M8 were on when the M73-protected procedure was
called, and the procedure turned off both with M9; the interpreter shot itself
in the foot, no user involved.
so in the language that feature is still with us:
$ rs274 -g
executing
1 N..... USE_LENGTH_UNITS(CANON_UNITS_MM)
2 N..... SET_G5X_OFFSET(1, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
3 N..... SET_G92_OFFSET(0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
4 N..... SET_XY_ROTATION(0.0000)
5 N..... SET_FEED_REFERENCE(CANON_XYZ)
READ => m7 m8
Two m codes used from same modal group
m7 m8
READ =>
-m
> i would never have though having M7 and 8
> on one line would be a problem, and can't think of a good
> reason it should be a problem.
>
> Chris M
>
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