G21 G90 G17
(Source basis: LinuxCNC src/emc/rs274ngc/rs274ngc_pre.cc init reads [TRAJ] SPINDLES from INI_FILE_NAME.)
(Source basis: LinuxCNC src/emc/rs274ngc/interp_execute.cc expands S-word $-1 to all configured spindles.)
(Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc expands M3/M4/M5 $-1 to all configured spindles.)
S1200 $-1
M3 $-1
M4 $-1
M5 $-1
M30