DEC (decrementation)

Decrements value.

Syntax

DEC1i value [in/out,1i] ;code:81
DEC2i value [in/out,2i] ;code:82
DEC4i value [in/out,4i] ;code:83
DEC8i value [in/out,8i] ;code:84
DEC1u value [in/out,1u] ;code:85
DEC2u value [in/out,2u] ;code:86
DEC4u value [in/out,4u] ;code:87
DEC8u value [in/out,8u] ;code:88
DEC4f value [in/out,4f] ;code:89
DEC8f value [in/out,8f] ;code:90

Description

This instruction decrements value by 1: value = value - 1.