atmega (Программы)

Мнемо-ническое обозначе-ние

Операнды

Описание

Операция

Флаги

Кол-во тактов

АРИФМЕТИЧЕСКИЕ И ЛОГИЧЕСКИЕ КОМАНДЫ

ADD

Rd, Rr

Add without Carry two Registers

Rd Rd + Rr

Z,C,N,V,H

1

ADC

Rd, Rr

Add with Carry two Registers

Rd Rd + Rr + C

Z,C,N,V,H

1

ADIW

Rdl, K

Add Immediate to Word

Rdh:Rdl  Rdh:Rdl+K

Z,C,N,V,S

2

SUB

Rd, Rr

Subtract without Carry two Registers

Rd Rd - Rr

Z,C,N,V,H

1

SUBI

Rd*, K

Subtract Constant from Register

Rd Rd - K

Z,C,N,V,H

1

SBC

Rd, Rr

Subtract with Carry two Registers

Rd Rd - Rr - C

Z,C,N,V,H

1

SBCI

Rd*, K

Subtract with Carry Constant from Register

Rd Rd - K - C

Z,C,N,V,H

1

SBIW

Rdl, K

Subtract Immediate from Word

Rdh:Rdl Rdh:Rdl - K

Z,C,N,V,S

2

AND

Rd, Rr

Logical AND Registers

Rd Rd Rr

Z,N,V

1

ANDI

Rd*, K

Logical AND Register and Constant

Rd Rd K

Z,N,V

1

OR

Rd, Rr

Logical OR Registers

Rd Rd v Rr

Z,N,V

1

ORI

Rd*, K

Logical OR Register and Constant

Rd Rd v K

Z,N,V

1

EOR

Rd, Rr

Exclusive OR Registers

Rd Rd Rr

Z,N,V

1

COM

Rd

One’s Complement

Rd $FF Rd

Z,C,N,V

1

NEG

Rd

Two’s Complement

Rd $00 Rd

Z,C,N,V,H

1

SBR

Rd*, K

Set Bit(s) in Register

Rd Rd v K

Z,N,V

1

CBR

Rd*, K

Clear Bit(s) in Register

Rd Rd ($FF - K)

Z,N,V

1

INC

Rd

Increment

Rd Rd + 1

Z,N,V

1

DEC

Rd

Decrement

Rd Rd 1

Z,N,V

1

TST

Rd

Test for Zero or Minus

Rd Rd Rd

Z,N,V

1

CLR

Rd

Clear Register

Rd Rd Rd

Z,N,V

1

SER

Rd

Set Register

Rd $FF

None

1

CP

Rd, Rr

Compare

Rd Rr

Z, N,V,C,H

1

CPC

Rd, Rr

Compare with Carry

Rd Rr C

Z, N,V,C,H

1

CPI

Rd*, K

Compare Register with Immediate

Rd K

Z, N,V,C,H

1

КОМАНДЫ ВЕТВЛЕНИЯ

RJMP

k

Relative Jump

PC PC + k + 1

None

2

IJMP

Indirect Jump to (Z)

PC Z

None

2

JMP

k

Jump

PC  k

None

3

RCALL

k

Relative Subroutine Call

PC PC + k + 1

None

3

CALL

k

Call Subroutine

PC  k

None

4

ICALL

Indirect Call to (Z)

PC Z

None

3

RET

Subroutine Return

PC STACK

None

4

RETI

Interrupt Return

PC STACK

I

4

CPSE

Rd,Rr

Compare, Skip if Equal

if (Rd = Rr)PC PC + 2 or 3

None

1 / 2 / 3

SBRC

Rr, b

Skip if Bit in Register Cleared

if (Rr(b)=0)PC PC + 2 or 3

None

1 / 2

SBRS

Rr, b

Skip if Bit in Register is Set

if (Rr(b)=1)PC PC + 2 or 3

None

1 / 2

SBIC

P*, b

Skip if Bit in I/O Register Cleared

if (P(b)=0)PC PC + 2 or 3

None

1 / 2

SBIS

P*, b

Skip if Bit in I/O Register is Set

if (P(b)=1)PC PC + 2 or 3

None

1 / 2

BRBS

s, k

Branch if Status Flag Set

if (SREG(s) = 1) then PCPC+k + 1

None

1 / 2

BRBC

s, k

Branch if Status Flag Cleared

if(SREG(s) = 0) then PCPC+k + 1

None

1 / 2

BREQ

k

Branch if Equal

if (Z = 1) then PC PC + k + 1

None

1 / 2

BRCS

k

Branch if Carry Set

if (C = 1) then PC PC + k + 1

None

1 / 2

BRNE

k

Branch if Not Equal

if (Z = 0) then PC PC + k + 1

None

1 / 2

BRCC

k

Branch if Carry Cleared

if (C = 0) then PC PC + k + 1

None

1 / 2

BRSH

k

Branch if Same or Higher

if (C = 0) then PC PC + k + 1

None

1 / 2

BRLO

k

Branch if Lower

if (C = 1) then PC PC + k + 1

None

1 / 2

BRMI

k

Branch if Minus

if (N = 1) then PC PC + k + 1

None

1 / 2

BRPL

k

Branch if Plus

if (N = 0) then PC PC + k + 1

None

1 / 2

BRGE

k

Branch if Greater or Equal, Signed

if (N V= 0) then PC PC + k + 1

None

1 / 2

BRLT

k

Branch if Less Than Zero, Signed

if (N V= 1) then PC PC + k + 1

None

1 / 2

BRHS

k

Branch if Half Carry Flag Set

if (H = 1) then PC PC + k + 1

None

1 / 2

BRHC

k

Branch if Half Carry Flag Cleared

if (H = 0) then PC PC + k + 1

None

BRTS

k

Branch if T Flag Set

if (T = 1) then PC PC + k + 1

None

1 / 2

BRTC

k

Branch if T Flag Cleared

if (T = 0) then PC PC + k + 1

None

1 / 2

BRVS

k

Branch if Overflow Flag is Set

if (V = 1) then PC PC + k + 1

None

1 / 2

BRVC

k

Branch if Overflow Flag is Cleared

if (V = 0) then PC PC + k + 1

None

1 / 2

BRIE

k

Branch if Interrupt Enabled

if ( I = 1) then PC PC + k + 1

None

1 / 2

BRID

k

Branch if Interrupt Disabled

if ( I = 0) then PC PC + k + 1

None

1 / 2

КОМАНДЫ ПЕРЕДАЧИ ДАННЫХ

MOV

Rd, Rr

Move Between Registers

Rd Rr

None

1

LDI

Rd*, K

Load Immediate

Rd K

None

1

LD

Rd, X

Load Indirect

Rd (X)

None

2

Мнемо-ническое обозначение

Операнды

Описание

Операция

Флаги

Кол-во тактов

LD

Rd, X+

Load Indirect and Post-Inc.

Rd (X), X X + 1

None

2

LD

Rd, - X

Load Indirect and Pre-Dec.

X X - 1, Rd (X)

None

2

LD

Rd, Y

Load Indirect

Rd (Y)

None

2

LD

Rd, Y+

LDLoad 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.

ST (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

ELPM

Load Program Memory

R0 (RAMPZ: 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; SPSP-1

None

2

POP

Rd

Pop Register from Stack

SPSP+1, Rd STACK

None

2

КОМАНДЫ РАБОТЫ С БИТАМИ

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

BLD

Rd, b

Bit load from T to Register

Rd(b) T

None

1

BST

Rr, b

Bit Store from Register to T

T Rr(b)

T

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 Twos Complement Overflow

V 1

V

1

CLV

Clear Twos 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 description)

None

3

WDR

Watchdog Reset

None

1