Motorola HC12 User Manual

Assembler Directives

IFCC — Conditional Assembly

MCUez HC12 Assembler

User’s Manual

MOTOROLA

Assembler Directives

183

Syntax:

IFCC

 <condition>

 [<assembly language statements>]

[ELSE]

[<assembly language statements>]

ENDIF

Description:

These directives can be replaced by the

IF

directive. If

IFCC

<condition> is true, the statements immediately following the

IFCC

 directive are assembled. Assembly continues until the

corresponding

ELSE

 or

ENDIF

 directive is reached, after

which assembly moves to the statements following the

ENDIF

directive. Nesting of conditional blocks is allowed. The
maximum level of nesting is limited by the available memory
at assembly time.

 lists the available conditional types.

IFEQ

<expression>

IF <expression> == 0

IFNE

<expression>

IF <expression> != 0

IFLT

<expression>

IF <expression> < 0

IFLE

<expression>

IF <expression> <= 0

IFGT

<expression>

IF <expression> > 0

IFGE

<expression>

IF <expression> >= 0

IFC

<string1>, <string2>

IF <string1> == <string2>

IFNC

<string1>, <string2>

IF <string1> != <string2>

IFDEF

<label>

IF <label> was defined

IFNDEF

<label>

IF <label> was not defined