User`s manual

One-Line Assembler/ Disassembler

4-7

The assembly/disassembly format of the instruction mnemonics

and operands follow the syntax specified in the PowerPC 603 RISC

Microprocessor UserÕs Manual or PowerPC 604 RISC Microprocessor

UserÕs Manual. The required fields are in boldface type, and the

variable fields are not, fields being one or more characters in length.

Character Set

The character set recognized by the PPCBug one-line assembler is a

subset of ASCII, and these are listed as follows:

SPR Decimal

TO Decimal

IMM Decimal

UIMM Hexadecimal

Letters A through Z (uppercase and lowercase)

Integers 0 through 9

Arithmetic operators: + - * / << >> ! & % ^

Parentheses ( )

Characters used as special preÞxes:

dollar sign ($) speciÞes a hexadecimal number

ampersand (&) speciÞes a decimal number

at sign (@) speciÞes an octal number

percent sign(%) speciÞes a binary number

apostrophe (Ô) speciÞes an ASCII literal character string

Separating characters:

space

comma (,)

period (.)

slash (/)

dash (-)

* (asterisk); indicates the current instruction pointer value