2 INFORM Explanation
FS100 2.2 Control Instruction : CALL
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(1) Describe the calling job.
As shown below, describe the calling job. The register numbers to
specify are the registers 0 and 1 as “CALL JOB: ADD_REG (0, 1)”
shows.
The return value is received at GETS I000 $RV. Thus, the addi-
tion result will be returned to I000.