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Description Add argument to X register
Format AAX <argument>
Code 173 4008
Affected X:=X+argument, C, O, Q
Type User
Architecture ND-100, ND-110

AAX is an assembly instruction. The 8-bit argument (the lower 8 bits of the 16-bit instruction word) is sign-extended to 16 bits and added to the X register. The result is left in the X register.

Flags affected

C, O and Q may be affected as for the ADD instruction.