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Texas Instruments TMS320C2XX User Manual

Page 471

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Instruction Set Comparison Table

B-22

Syntax

Description

5x

2xx

2x

1x

LST #

n, dma

LST #

n, {ind} [, next ARP]

Load Status Register n

Load the contents of the addressed data-memory lo-
cation into ST

n.

LST1

dma

LST1 {

ind} [, next ARP]

Load ST1

Load the contents of the addressed data-memory lo-
cation into

ST1.

LT

dma

LT

{

ind} [, next ARP]

Load T Register

Load the contents of the addressed data-memory lo-
cation into the T register (TMS320C1x/2x/2xx) or
TREG0 (TMS320C5x).

LTA

dma

LTA {

ind} [, next ARP]

Load T Register and Accumulate Previous
Product

Load the contents of the addressed data-memory lo-
cation into T register (TMS320C1x/2x/2xx) or TREG0
(TMS320C5x) and add the contents of the P register
to the accumulator.

TMS320C2x, TMS320C2xx, and TMS320C5x de-
vices: Before the add, shift the contents of the P regis-
ter as specified by the PM status bits.

LTD

dma

LTD {

ind} [, next ARP]

Load T Register, Accumulate Previous Product,
and Move Data

Load the contents of the addressed data-memory lo-
cation into the T register (TMS320C1x/2x/2xx) or
TREG0 (TMS320C5x), add the contents of the P regis-
ter to the accumulator, and copy the contents of the
specified location into the next higher address (both
data-memory locations must reside in on-chip data
RAM).

TMS320C2x, TMS320C2xx, and TMS320C5x de-
vices: Before the add, shift the contents of the P regis-
ter as specified by the PM status bits.

LTP

dma

LTP {

ind} [, next ARP]

Load T Register, Store P Register in Accumulator

Load the contents of the addressed data-memory lo-
cation into the T register (TMS320C1x/2x/2xx) or
TREG0 (TMS320C5x). Store the contents of the prod-
uct register into the accumulator.

LTS

dma

LTS {

ind} [, next ARP]

Load T Register, Subtract Previous Product

Load the contents of the addressed data-memory lo-
cation into the T register (TMS320C1x/2x/2xx) or
TREG0 (TMS320C5x). Shift the contents of the prod-
uct register as specified by the PM status bits, and sub-
tract the result from the accumulator.