Motorola HC12 8.2 Introduction

Assembler Directives
Introduction
MCUez HC12 Assembler User’s Manual
MOTOROLA Assembler Directives 161
8.2 Introduction
This chapter introduces assembler directives. Functional descriptions and
examples for each directive are provided. The following tables give an
overview of the different directives.
8.2.1 Section Definition Directives
The directives in Table 8-1 define new sections.
8.2.2 Constant Definition Directives
The directives in Table 8-2 define assembly constants.
8.2.3 Data Allocation Directives
The directives in Table 8-3 allocate variables.
Table 8-1. Section Directives
Directive Description
ORG Defines an absolute section
SECTION Defines a relocatable section
OFFSET Defines an offset section
Table 8-2. Constant Directives
Directive Description
EQU Assigns a name to an expression, cannot be redefined
SET Assigns a name to an expression, can be redefined
Table 8-3. Data Allocation Directives
Directive Description
DC Defines a constant variable
DCB Defines a constant block
DS Defines storage for a variable