Olivetti Programma 101 - Absolute Value; A Operation

A

 Absolute Value
The absolute value instruction "A 

 " changes the contents of the A register, if negative, to
positive.
EXAMPLE: Decimal Wheel set at 2.
______________________________________
M A R B _
BEFORE 3 -6 4 8
A 
AFTER 3 6 4 8
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