IF (MASM)
Grants assembly of ifstatements if expression1 is true (nonzero) or elseifstatements if expression1 is false (0) and expression2 is true.
IF expression1
ifstatements
[[ELSEIF expression2
elseifstatements]]
[[ELSE
elsestatements]]
ENDIF
Remarks
The following directives may be substituted for ELSEIF: ELSEIFB, ELSEIFDEF, ELSEIFDIF, ELSEIFDIFI, ELSEIFE, ELSEIFIDN, ELSEIFIDNI, ELSEIFNB, and ELSEIFNDEF. Optionally, assembles elsestatements if the previous expression is false. Note that the expressions are evaluated at assembly time.