does GOSUB to break
#IF !x<!p // sections from 0 to N #IF !0=1 //[!X] GOSUB !1!x !A [!X] $42 |CL0 #FREF !1!x !a #ELSE // GOSUB !1!X !A [] $42 |CL0 #FREF !1!X !a #ENDIF BREAK$UP !1 !2 #ENDIF