Freescale Semiconductor StarCore SC140 - Manual (Page 317)

DSP Core Instruction Set
SC140 DSP Core Reference Manual A-3
Table A-2 describes the operators and operations syntax for each instruction.
Table A-3 describes the abbreviations used for the core registers.
Table A-2. Operations Syntax
Operator Description
+ Add
– Subtract
* Multiply
/ Divide
| | Absolute value
& Logical AND
| Logical OR
⊕
Exclusive OR
~ Bitwise complement
= = Test for equality, 1 if equal, 0 if not equal
→
Transfer left to right
↔
Indicates either right or left transfers, but not both at once
>>
Arithmetic right shift (sign bits shifted right)
<<
Arithmetic or logical left shift (functionally the same)
>>>
Logical right shift
>
Compare for greater than
Rnd( ) Rounding function
x:y Concatenation of x and y
Table A-3. Register Abbreviations
Abbreviation Register Name
D0-D15 General purpose data register
R0-R15 General purpose address register
EMR Exception and mode register
VBA Vector base address register
SP Stack pointer registers: normal (NSP) and exception (ESP)
PC Program counter
SR Status register
MCTL Modifier control register
SA0-SA3 Start address registers
LC0-LC3 Loop counter registers
B0-B7 Modulo base registers
N0-N3 Offset registers
M0-M3 Modulo registers
OSP Other stack pointer