O<tool-job-begin> SUB
( Filename: tool-job-begin.ngc )
( LinuxCNC Manual Tool-Change Subroutines for Milling Machines version 1.1: subroutine 2/2 )
( Intended to be run as a remapped M600 command. Used to indicate that the next tool change, M6, is the first tool of a job. )

#<_ToolDidFirst> = 0           ( new job, we haven't yet called <tool-change> for the first time )
#<_IgnoreFirstTool> = 0
#<_ToolDidReferance> = 0
G49                                          ( clear tool height adjustment )

O<tool-job-begin> ENDSUB
M2