ARM VERSION 1.2 - Manual (Page 299)

Directives Reference
ARM DUI 0068B Copyright © 2000, 2001 ARM Limited. All rights reserved. 7-17
7.3.4 SPACE
The SPACE directive reserves a zeroed block of memory. % is a synonym for SPACE .
Syntax
{label} SPACE expr
where:
expr evaluates to the number of zeroed bytes to reserve (see Numeric
expressions on page 3-20).
Usage
You must use a DATA directive if you use SPACE to define labeled data within Thumb code.
See DATA on page 7-25 for more information.
Use the ALIGN directive to align any code following a SPACE directive. See ALIGN on
page 7-50 for more information.
See also:
• DCB on page 7-18
• DCD and DCDU on page 7-19
• DCDO on page 7-20
• DCW and DCWU on page 7-25.
Example
AREA MyData, DATA, READWRITE
data1 SPACE 255 ; defines 255 bytes of zeroed store