Справочник Пользователя для Mitsubishi Electronics QCPU

7-391

ZRRDB(P)

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.18 Ot

her instr

uctions

7

.18.4 Direct 1-b

yte r
ead fro

m

 file reg

ister (

Z

RR
DB(P))

Direct 1-byte read from file register (ZRRDB(P))

ZRRDB(P)

Function

(1) Reads the serial byte number designated by n that does not signify a block number, and 

stores at the lower 8 bits of the device designated by 

.

The upper 8 bits designated by 

 will become 00

H

.

(2) The correspondence between file register numbers and serial byte numbers is as indicated 

below:

 n : Serial byte number for the file register to be read (BIN 32 bits)

: Number of the device where the read data will be stored (BIN 16 bits)

Setting 

Data

Internal Devices 

R, ZR

J

\

U

\G

Zn

Constants

K, H

Other

Bit

Word

Bit

Word

n

––

––

––

Command

Command

ZRRDB

ZRRDBP

n

n

D

D

ZRRDB

ZRRDBP

D

D

D

D

Area for 
block No. 0

Area for 
block No. 1

Area for 
block No. 2

ZR65536

ZR65535

ZR32768

ZR0

ZR32767

Serial byte number

n

Read-out contents

00

H

B0

B7

b15

b8

File register

D

ZR0

Serial byte No. 0

Serial byte No. 1

Serial byte No. 2

Serial byte No. 3

ZR1

Serial byte No. 4

Serial byte No. 5

Serial byte No. 5000

Serial byte No. 5001

Serial byte No. 5002

Serial byte No. 5003

Serial byte No. 5004

Serial byte No. 5005

Serial byte No. 5006

Serial byte No. 5007

ZR2501

ZR2502

ZR2503

Data when an even 
number is designated

Data when an odd 
number is designated

ZR2

ZR2500

b15

b8b7

b0