IA186EM-PQF100I-R datasheet(84/133 Pages) INNOVASIC

84 / 133 page

IA186EM/IA188EM

Data Sheet

8/16-BIT Microcontrollers

As of Production Version -03

Instruction

Opcode - Hex

Clock Cycles

Flags Affected

Mnemonic

Description

byte

3-6

IA186

IA188

O D I

T S Z A P C

Divide unsigned of r/m8 by 2,

once

2/15

Divide unsigned of r/m8 by 2, CL

times

5+n/

17+n

5+n/

17+n

Divide unsigned of r/m8 by 2,

imm8 times

data

5+n/

17+n

5+n/

17+n

Divide unsigned of r/m16 by 2,

once

2/15

Divide unsigned of r/m16 by 2, CL

times

5+n/

17+n

SHR

R R U R

5+n/

17+n

data

5+n/

17+n

5+n/

Divide unsigned of r/m16 by 2,

imm8 times

17+n

SS segment reg override prefix

STC

Set the Carry Flag to 1

STD

Set the Direction Flag so the

source Index (SI) and/or the

Destination Index (DI) regs will

decrement during string

instructions

1 -

STI

Enable maskable interrupts after

the next instruction

1 -

Store AL in byte ES:[DI]; update DI

STOS

Store AX in word ES:[DI]; update

STOSB

Store AL in byte ES:[DI]; update DI

STOSW

Store AX in word ES:[DI]; update

Subtract imm8 from AL

Subtract imm16 from AX

Subtract imm8 from r/m8

4/16

4/20

Subtract imm16 from r/m16

Subtract sign-extended imm8 from

r/m16

4/16

4/20

SUB

R -

Subtract byte reg from r/m8

3/10

Subtract word reg from r/m16

3/10

3/14

Subtract r/m8 from byte reg

3/10

Subtract r/m16 from word reg

3/10

3/14

R R R R R

3737 Princeton NE, Ste 130 • Albuquerque, NM 87107 • Tel 505.883.5263 • Fax 505.883.5477 • www.Innovasic.com

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