Ldii – Texas Instruments TMS320C3x User Manual

Page 585

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Load Integer, Interlocked

LDII

13-127

Assembly Language Instructions

Syntax

LDII

src, dst

Operation

Signal interlocked operation
src

dst

Operands

src general addressing modes (G):

0 1

direct

1 0

indirect (disp = 0–255, IR0, IR1)

dst any CPU register

Opcode

31

24 23

16

8 7

0

15

0 0 0

0 1

0

0

1

0

dst

src

G

Description

The

src operand is loaded into the dst register. An interlocked operation is sig-

naled over XF0 and XF1. The

src and dst operands are assumed to be signed

integers. Note that only the direct and indirect modes are allowed. See Section
7.4,

Interlocked Operations, on page 7-13 for a detailed description.

Cycles

1 if XF = 0 (see Section 7.4 on page 7-13)

Status Bits

These condition flags are modified only if the destination register is R7– R0.

LUF

Unaffected

LV

Unaffected

UF

0

N

1 if a negative result is generated; 0 otherwise

Z

1 if a 0 result is generated; 0 otherwise

V

0

C

Unaffected

OVM

Operation is not affected by OVM bit value.

Mode Bit

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