Elenco MicroMaster ® Computer Training Kit User Manual

Page 72

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8-17

Table 8-2 - 8085A INSTRUCTION SET SUMMARY BY FUNCTIONAL GROUPING

Instruction Code (1)

Mnemonic

Description

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

MOVE, LOAD, AND STORE

MOVr1 r2

Move register to register

0

1

D

D

D

S

S

S

MOV M.r

Move register to memory

0

1

1

1

0

S

S

S

MOV r.M

Move memory to register

0

1

D

D

D

1

1

0

MVI r

Move immediate to register

0

0

D

D

D

1

1

0

MVI M

Move immediate to memory

0

0

1

1

0

1

1

0

LXI B

Load immediate register Pair B & C

0

0

0

0

0

0

0

1

LXI D

Load immediate register Pair D & E

0

0

0

1

0

0

0

1

LXI H

Load immediate register Pair H & L

0

0

1

0

0

0

0

1

STAX B

Store A indirect

0

0

0

0

0

0

1

0

STAX D

Store A indirect

0

0

0

1

0

0

1

0

LDAX B

Load A indirect

0

0

0

0

1

0

1

0

LDAX D

Load A indirect

0

0

0

1

1

0

1

0

STA

Store A direct

0

0

1

1

0

0

1

0

LDA

Load A direct

0

0

1

1

1

0

1

0

SHLD

Store H & L direct

0

0

1

0

0

0

1

0

LHLD

Load H & L direct

0

0

1

0

1

0

1

0

XCHG

Exchange D & E, H & L registers

1

1

1

0

1

0

1

1

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