TMS320F datasheet(298/389 Pages) TI

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Using the Instruction Set Comparison Table

A-2

A.1 Using the Instruction Set Comparison Table

To help you read the comparison table, this section provides an example of a

table entry and a list of acronyms.

A.1.1 An Example of a Table Entry

In cases where more than one syntax is used, the first syntax is usually for di-

rect addressing and the second is usually for indirect addressing. Where three

or more syntaxes are used, the syntaxes are normally specific to a device.

This is how the AND instruction appears in the table:

Syntax

2xx

Description

AND

dma

AND {

ind} [ , next ARP]

AND #

lk [ , shift]

√

AND With Accumulator

TMS320C1x and TMS320C2x devices: AND the

contents of the addressed data-memory location with

the 16 LSBs of the accumulator. The 16 MSBs of the

accumulator are ANDed with 0s.

TMS320C20x and TMS320C5x devices: AND the

contents of the addressed data-memory location or a

16-bit immediate value with the contents of the

accumulator. The 16 MSBs of the accumulator are

ANDed with 0s. If a shift is specified, left shift the

constant before the AND. Low-order bits below and

high-order bits above the shifted value are treated as

0s.

The first column,

Syntax, states the mnemonic and the syntaxes for the AND

instruction.

The checks in the second through the fifth columns,

1x, 2x, 2xx, and 5x, indi-

cate the devices that can be used with each of the syntaxes.

refers to the TMS320C1x devices

refers to the TMS320C2x devices, including TMS320C25

2xx refers to the TMS320C20x devices

refers to the TMS320C5x devices

In this example, you can use the first two syntaxes with TMS320C1x,

TMS320C2x, TMS320C20x, and TMS320C5x devices, but you can use the

last syntax only with TMS320C20x and TMS320C5x devices.

The sixth column,

Description, briefly describes how the instruction functions.

Often, an instruction functions slightly differently for the different devices: read

the entire description before using the instruction.

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