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.l unit
Instruction Description
ABS integer absolute value with saturation
ADD(U) signed or unsigned integer addition without saturation
AND bitwise AND
CMPEQ integer compare for equality
CMPGT(U) signed or unsigned integer compare for greater than
CMPLT(U) signed or unsigned integer compare for less than
LMBD leftmost bit detection
MV move from register to register
NEG negate (pseudo-operation)
NORM normalize integer
NOT bitwise NOT
+OR bitwise OR
SADD integer addition with saturation to result size
SAT saturate a 40-bit integer to a 32-bit integer
SSUB integer subtraction with saturation to result size
SUBC conditional integer subtraction and shift - used for division
XOR exclusive OR
ZERO zero a register (pseudo-operation)
.d unit
Instruction Description
ADD(U) signed or unsigned integer addition without saturation
ADDAB (B/H/W) integer addition using addressing mode
LDB (B/H/W) load from memory with a 15-bit constant offset
MV move from register to register
STB (B/H/W) store to memory with a register offset or 5-bit unsigned constant offset
SUB(U) signed or unsigned integer subtraction without saturation
SUBAB (B/H/W) integer subtraction using addressing mode
ZERO zero a register (pseudo-operation)
.m unit
Instruction Description
MPY (U/US/SU) signed or unsigned integer multiply 16lsb*16lsb
MPYH (U/US/SU) signed or unsigned integer multiply 16msb*16msb
MPYLH signed or unsigned integer multiply 16lsb*16msb
MPYHL signed or unsigned integer multiply 16msb*16lsb
SMPY (HL/LH/H) integer multiply with left shift and saturation

Useful assembler directives

Other than the CPU instruction set, there are special commands to the assembler that direct the assembler to do various jobswhen assembling the code. You should learn about some of these assembler directives to be able to write an assembly program. There are useful assembler directives youcan use to let the assembler know various settings, such as .set, .macro, .endm, .ref, .align, .word, .byte .include .,

The .set directive defines a symbolic name. For example, you can have

1 count .set 40

Then, the assembler replaces each occurrence of count with 40 .

You have already seen how the .ref directive is used to declare symbolic names defined in another file. It is similar to the extern declaration in C.

The .space directive reserves a memory space with specified number of bytes. For example, you canhave

1 buffer .space 128

to define a buffer of size 128 bytes. The symbol buffer has the address of the first byte reserved by .space . The .bes directive is similar to .space , but the label has the address of the last byte reserved.

To put a constant value in the memory, you can use .byte , .word , etc. If you have

1 const1 .word 0x1234

the assembler places the word constant 0x1234 at a memory location and const1 has the address of the memory location. .byte etc. works similarly.

Sometimes you need to place your data or code at a specific memory address boundaries such as word, halfword, etc. You can use the .align directive to do this. For example, if you have

1 .align 4 2 buffer .space 1283 ...

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
Bhagvanji
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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where are the solutions?

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Source:  OpenStax, Finite impulse response. OpenStax CNX. Feb 16, 2004 Download for free at http://cnx.org/content/col10226/1.1
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