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Operators | Description |
+ | Plus |
- | Minus (also unary) |
* | Multiplication |
# | Remainder |
/ | Division |
& | Bitwise AND |
^ | Bitwise XOR |
! | Bitwise OR NOT (also unary minus, bitwise NOT) |
| | Bitwise OR |
(expr) | Grouping |
<< | Left shift |
>> | Right shift |
“text” | Text string, 1-4 characters long, is right-justified in a 32-bit word |
hi16 (expr) | Low 16 bits of operand expr |
hi32 (expr) | High 32 bits of operand expr |
lo16 (expr) | High 16 bits of operand expr |
lo32 (expr) | Low 32 bits of operand expr |
Pseudo Ops | Description |
$debug [ 0 | 1 ] | Internal debugging option. With no operand, toggle debugging; 0 => turn debugging off 1 => turn debugging on |
$hold $holdprocess | Hold the process |
$holdstopall $holdprocessstopall | Hold the process and stop the control group |
$holdthread | Hold the thread |
$holdthreadstop $holdthreadstopprocess | Hold the thread and stop the process |
$holdthreadstopall | Hold the thread and stop the control group |
$long_branch expr | Branch to location expr using a single instruction in an architecture-independent way; using registers is not required |
$ptree | Internal debugging option. Print assembler tree |
$stop $stopprocess | Stop the process |
$stopall | Stop the control group |
$stopthread | Stop the thread |
name=expr | Same as def name,expr |
align expr [, expr ] | Align location counter to an operand 1 alignment; use operand 2 (or 0) as the fill value for skipped bytes |
ascii string | Same as string |
asciz string | Zero-terminated string |
bss name,size-expr[,expr] | Define name to represent size-expr bytes of storage in the bss section with alignment optional expr; the default alignment depends on the size: |
if size-expr >= 8 then 8 else if size-expr >= 4 then 4 else if size-expr >= 2 then 2 else 1 | |
byte expr [, expr ] ... | Place expr values into a series of bytes |
comm name,expr | Define name to represent expr bytes of storage in the bss section; name is declared global; alignment is as in bss without an alignment argument |
data | Assemble code into data section (data) |
def name,expr | Define a symbol with expr as its value |
double expr [, expr ] ... | Place expr values into a series of doubles |
equiv name,name | Make operand 1 an abbreviation for operand 2 |
fill expr, expr, expr | Fill storage with operand 1 objects of size operand 2, filled with value operand 3 |
float expr [, expr ] ... | Place expr values into a series of floating point numbers |
global name | Declare name as global |
half expr [, expr ] ... | Place expr values into a series of 16-bit words |
lcomm name,expr[,expr] | Identical to bss |
lsym name,expr | Same as def name,expr but allows redefinition of a previously defined name |
org expr [, expr ] | Set location counter to operand 1 and set operand 2 (or 0) to fill skipped bytes |
quad expr [, expr ] ... | Place expr values into a series of 64-bit words |
string string | Place string into storage |
text | Assemble code into text section (code) |
word expr [, expr ] ... | Place expr values into a series of 32-bit words |
zero expr | Fill expr bytes with zeros |