 IF directive
and signifies the end of the conditional block.
<H2>
<A NAME="EQU"></A>EQU</H2>
The EQU directive can be used to assign values to labels. The labels can
then be used in expressions in place of the literal constant. The format
is:
<PRE>&nbsp;&nbsp;&nbsp; <I>label</I>&nbsp;&nbsp; .EQU&nbsp;&nbsp; <I>expr</I></PRE>
Here is an example:
<PRE>&nbsp;&nbsp;&nbsp; MASK&nbsp;&nbsp; .EQU&nbsp; 0F0H
&nbsp;&nbsp;&nbsp; ;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lda&nbsp;&nbsp; IN_BYTE
&