Panasonic FP-E Programming Manual page 461

Description
Takes two's complement of 32-bit data specified by D.
The two's complement is obtained by inverting all bits and adding 1 to the inverted result.
This instruction is useful for changing the sign of 32-bit data from positive to negative or from negative to
positive.
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Turns on and stays on when the area specified using the index modifier
exceeds the limit.
Turns on for an instant when the area specified using the index modifier
exceeds the limit.
High−level Instructions
3 − 197