ARM VERSION 1.2

Assembler Reference

3.6.4 Numeric literals

Numeric literals can take any of the following forms:

•

decimal-digits

0xhexadecimal-digits

&hexadecimal-digits

•

n_base-n-digits

'character'

where

decimal-digits

is a sequence of characters using only the digits 0 to 9.

hexadecimal-digits

is a sequence of characters using only the digits 0 to 9 and the

letters Ato F or a to f.

is a single digit between 2 and 9 inclusive, followed by an

underscore character.

base-n-digits

is a sequence of characters using only the digits 0 to (

– 1)

character

is any single character except a single quote. Use \' if you require

a single quote. In this case the value of the numeric literal is the

numeric code of the character.

You must not use any other characters. The sequence of characters must evaluate to an

integer in the range 0 to 232 – 1 (except in

DCQ

and

DCQU

directives, where the range is 0

to 264 – 1).

Examples

a SETA 34906

addr DCD 0xA10E

LDR r4,=&1000000F

DCD 2_11001010

c3 SETA 8_74007

DCQ 0x0123456789abcdef

LDR r1,='A' ; pseudo-instruction loading 65 into r1

ADD r3,r2,#'\'' ; add 39 to contents of r2, result to r3