Motorola HC12 User Manual
User’s Manual
MCUez HC12 Assembler
178
Assembler Directives
MOTOROLA
Assembler Directives
8.15 EVEN — Force Word Alignment
Syntax:
EVEN
Description:
This directive forces the next instruction to the next even
address relative to the start of the section.
address relative to the start of the section.
EVEN
is an
abbreviation for
ALIGN 2
. Some processors require word and
longword operations to begin at even address boundaries. In
such cases, the use of the
such cases, the use of the
EVEN
directive ensures correct
alignment. Omission of the directive can result in an error
message.
message.
Example:
6 6 000000
ds.w 2
; location count has an even value, no padding
; inserted.
7 7
even
8 8 000004
ds.b 1
; location count has an odd value, one padding byte
; inserted.
9 9 000005 00
even
10 10 000006
ds.b 3
; location count has an odd value, one padding byte
; inserted.
12 12 0000 000A aaa:
equ 10