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Attiny26(l), Instruction set summary (continued) – Rainbow Electronics ATtiny26L User Manual

Page 140

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140

ATtiny26(L)

1477B–AVR–04/02

LD

Rd, Y

Load Indirect

Rd

← (Y)

None

2

LD

Rd, Y+

Load Indirect and Post-inc.

Rd

← (Y), Y ← Y + 1

None

2

LD

Rd, -Y

Load Indirect and Pre-dec.

Y

← Y - 1, Rd ← (Y)

None

2

LDD

Rd,Y+q

Load Indirect with Displacement

Rd

← (Y + q)

None

2

LD

Rd, Z

Load Indirect

Rd

← (Z)

None

2

LD

Rd, Z+

Load Indirect and Post-inc.

Rd

← (Z), Z ← Z + 1

None

2

LD

Rd, -Z

Load Indirect and Pre-dec.

Z

← Z - 1, Rd ← (Z)

None

2

LDD

Rd, Z+q

Load Indirect with Displacement

Rd

← (Z + q)

None

2

LDS

Rd, k

Load Direct from SRAM

Rd

← (k)

None

2

ST

X, Rr

Store Indirect

(X)

← Rr

None

2

ST

X+, Rr

Store Indirect and Post-inc.

(X)

← Rr, X ← X + 1

None

2

ST

-X, Rr

Store Indirect and Pre-dec.

X

← X - 1, (X) ← Rr

None

2

ST

Y, Rr

Store Indirect

(Y)

← Rr

None

2

ST

Y+, Rr

Store Indirect and Post-inc.

(Y)

← Rr, Y ← Y + 1

None

2

ST

-Y, Rr

Store Indirect and Pre-dec.

Y

← Y - 1, (Y) ← Rr

None

2

STD

Y+q, Rr

Store Indirect with Displacement

(Y + q)

← Rr

None

2

ST

Z, Rr

Store Indirect

(Z)

← Rr

None

2

ST

Z+, Rr

Store Indirect and Post-inc.

(Z)

← Rr, Z ← Z + 1

None

2

ST

-Z, Rr

Store Indirect and Pre-dec.

Z

← Z - 1, (Z) ← Rr

None

2

STD

Z+q, Rr

Store Indirect with Displacement

(Z + q)

← Rr

None

2

STS

k, Rr

Store Direct to SRAM

(k)

← Rr

None

2

LPM

Load Program Memory

R0

← (Z)

None

3

IN

Rd, P

In Port

Rd

← P

None

1

OUT

P, Rr

Out Port

P

← Rr

None

1

PUSH

Rr

Push Register on Stack

STACK

← Rr

None

2

POP

Rd

Pop Register from Stack

Rd

← STACK

None

2

BIT AND BIT-TEST INSTRUCTIONS

SBI

P, b

Set Bit in I/O Register

I/O(P,b)

← 1

None

2

CBI

P, b

Clear Bit in I/O Register

I/O(P,b)

← 0

None

2

LSL

Rd

Logical Shift Left

Rd(n+1)

← Rd(n), Rd(0) ← 0

Z,C,N,V

1

LSR

Rd

Logical Shift Right

Rd(n)

← Rd(n+1), Rd(7) ← 0

Z,C,N,V

1

ROL

Rd

Rotate Left through Carry

Rd(0)

← C, Rd(n+1) ← Rd(n), C ← Rd(7)

Z,C,N,V

1

ROR

Rd

Rotate Right through Carry

Rd(7)

← C, Rd(n) ← Rd(n+1), C ← Rd(0)

Z,C,N,V

1

ASR

Rd

Arithmetic Shift Right

Rd(n)

← Rd(n+1), n = 0..6

Z,C,N,V

1

SWAP

Rd

Swap Nibbles

Rd(3..0)

← Rd(7..4), Rd(7..4) ← Rd(3..0)

None

1

BSET

s

Flag Set

SREG(s)

← 1

SREG(s)

1

BCLR

s

Flag Clear

SREG(s)

← 0

SREG(s)

1

BST

Rr, b

Bit Store from Register to T

T

← Rr(b)

T

1

BLD

Rd, b

Bit Load from T to Register

Rd(b)

← T

None

1

SEC

Set Carry

C

← 1

C

1

CLC

Clear Carry

C

← 0

C

1

SEN

Set Negative Flag

N

← 1

N

1

CLN

Clear Negative Flag

N

← 0

N

1

SEZ

Set Zero Flag

Z

← 1

Z

1

CLZ

Clear Zero Flag

Z

← 0

Z

1

SEI

Global Interrupt Enable

I

← 1

I

1

CLI

Global Interrupt Disable

I

← 0

I

1

SES

Set Signed Test Flag

S

← 1

S

1

CLS

Clear Signed Test Flag

S

← 0

S

1

SEV

Set Two’s Complement Overflow

V

← 1

V

1

CLV

Clear Two’s Complement Overflow

V

← 0

V

1

SET

Set T in SREG

T

← 1

T

1

CLT

Clear T in SREG

T

← 0

T

1

SEH

Set Half-carry Flag in SREG

H

← 1

H

1

CLH

Clear Half-carry Flag in SREG

H

← 0

H

1

NOP

No Operation

None

1

SLEEP

Sleep

(see specific descr. for Sleep function)

None

1

WDR

Watchdog Reset

(see specific descr. for WDR/timer)

None

1

Instruction Set Summary (Continued)

Mnemonic

Operands

Description

Operation

Flags

# Clocks