4.5.1 Numeric Constants
The assembler performs all arithmetic with signed 32-bit precision.
The default radix for all numbers is 10. Other radices can be specified by a trailing base specifier, as given in the following table.
| Radix | Format |
|---|---|
| Binary | Digits 0 and 1 followed by
|
| Octal | Digits 0 to 7 followed by O,
Q, o or q. |
| Decimal | Digits 0 to 9 followed by D,
d or nothing. |
| Hexadecimal | Digits 0 to 9, A to F preceded by
0x or followed by H or
h. |
Hexadecimal numbers must have a leading digit (e.g.,
0ffffh) to differentiate them from identifiers. Hexadecimal digits are
accepted in either upper or lower case.
The binary digits suffix (B) must be in upper case.
In expressions, real numbers are accepted in the usual format, and are interpreted as IEEE 32-bit format.