Motorola HC12 - page 162

User’s Manual MCUez HC12 Assembler
162 Assembler Directives MOTOROLA
Assembler Directives
8.2.4 Symbol Linkage Directives
The directives in Table 8-4 export or import global symbols.
8.2.5 Assembly Control Directives
The general-purpose directives in Table 8-5 control the assembly process.
Table 8-4. Symbol Linkage Directives
Directive Description
ABSENTRY Specifies the application entry point when an absolute file is
generated
XDEF Makes a symbol public, visible from outside
XREF Imports reference to an external symbol
XREFB Imports reference to an external symbol located on the direct page
Table 8-5. Assembly Control Directives
Directive Description
ALIGN Defines alignment constraint
BASE Specifies default base for constant definition
END End of assembly unit
EVEN Defines 2-byte alignment constraint
FAIL Generates user-defined error or warning messages
INCLUDE Includes text from another file
LONGEVEN Defines 4-byte alignment constraint