Mitsubishi 00JCPU User Manual page 455

(3) Precautions for using the local pointer
(a) Program where the local pointer is described
A jump from another program is not allowed.
jump instructions and sub-routine CALL instructions.
Use the ECALL instruction from another program when calling a subroutine program in a program file that
contains any local pointer.
(b) Total number of local pointer points
If the total number of pointers (in all programs) exceeds 4096 points, a "Pointer configuration error" (error code:
4020) occurs.
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