TMS320F datasheet(140/389 Pages) TI

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BANZ

Branch on Auxiliary Register Not Zero

7-40

Syntax

BANZ

pma [, ind [, ARn] ]

Indirect addressing

Operands

pma:

16-bit program-memory address

Value from 0 to 7 designating the next auxiliary register

ind:

Select one of the following seven options:

*–

*0+

*0–

*BR0+

*BR0–

BANZ

pma [, ind [,ARn] ]

987

6543

210

ARU

NAR

pma

Note:

ARU, N, and NAR are defined in section 6.3,

Indirect Addressing Mode (page 6-9).

Execution

If (current AR)

≠ 0

Then pma

→ PC

Else (PC) + 2

→ PC

Modify (current AR) and (ARP) as specified

Status Bits

None

Description

Control is passed to the designated program-memory address (pma) if the

contents of the current auxiliary register are not zero. Otherwise, control

passes to the next instruction.The default modification to the current AR is a

decrement by one. N loop iterations can be executed by initializing an auxiliary

a symbolic or a numeric address.

Words

Cycles for a Single BANZ Instruction

Condition

ROM

DARAM

SARAM

External

True

4+4p

False

2+2p

Note:

The ’C20x performs speculative fetching by reading two additional instruction words. If

the PC discontinuity is taken, these two instruction words are discarded.

Opcode

Cycles

TMS320F Datasheet(PDF) 140 Page - Texas Instruments

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