Greetings all, from a very frustrated user.

You all, everyone of you, has told me how the G10 L commands are supposed 
to work.  But I'll be damed if I can make them work as you say they are 
supposed to since I installed 2.6.0.

I can apply, from a g54 map, although you tell me that all this references 
the machines internal G53 map:
G10 L20 P2 Xvalue Yvalue and it works as expected in G55.  But!!!
G10 L20 P3 Xdifferent Ysame consistently throws me an error as if Ysame 
was first multiplied by 2 or was cumulative to the P2 setting.

My board pallet is keyed to the T-slots.  And had the pocket carved while 
keyed to the T-slot just yesterday.

This morning I drilled a #60 hole all the way through the board, at the 
G55 location X0Y0.1000.  Its to serve as a reference point when the board 
is turned over to do the other side.

Turn the board over end for end, and that hole had better be at 
G56
G0X0Y0.1. It is not. Check for tool contact at Y=0, which should be the 
near edge of the board, its off almost exactly .1000" when this version of 
hole finder is used.  In map G55, the Y edge of the board is as close to 
0.0000 as I can measure by electrical contact, usually within a thou.

Loading up the bottom etch file, one runner that was nominally 50 thou 
from the edge of the board with the old code from 18 months back, is now 
about 60 thou off the edge of the board.  Same code from pcb2gcode.

So, that file is now downloadable on my web page, under Genes-os9-
stf/LCNC/vbit-t-holefinder.ngc.

If someone else can take a look at it, and tell me where I screwed up, or 
if it should work as it stands but doesn't, maybe they can look at 2.6.0 & 
see where bit rot has managed to screw the pooch.  I've been fighting with 
this for 3 days, but any sensible answer is eluding me.  All I'm getting 
is an excedrin headache, someplace in the high 14 thousands.  And as a 
bleeder these days, most of the NSAID's are verboten.

Thanks folks.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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