Toshiba AS311 user manual Specification of the Write instruction

YW002 ]

Appendix

A.2 Specification of the WRITE instruction

FUN 238 Special module data write (WRITE)

Writes designated range of data into the special module.

Input	Execution output
[ A WRITE B →	C ]

Function

•This instruction transfers data stored in T3’s registers starting with operand A into the buffer memory of the special module that is designated by operand C.

• The destination address (buffer memory

Input

Action

Output

ERF

address) is designated by operand B.

OFF

No execution

OFF

• The transfer size (number of words) is

ON

Normal execution

ON

designated by operand B+1.

Error (see Note 2)

ON

ON

Operand

Index

Constant

Device

Register

Opr

Name

X

Y

S

L

R

Z

T.

C.

I

O

XW

YW

SW

LW

RW

W

T

C

D

F

IW

O

I

J

K

W

A

Top register

√

√

√

√

√

√

√

√

√

√

√

of source

B

Transfer

√

√

√

√

√

√

√

√

√

√

parameter

C

Special

√

√

√

√

module

Program example

R0000

[ D0100 WRITE RW010 →

•When R0000 is ON, the register data of the size indicated by RW011, starting with D0100, are transferred to the buffer memory starting with the address indicated by RW010 of the special module allocated to YW002.

•The maximum number of words to be transferred is 256 words.

RW010 320 RW011 150

T3 YW002 special module

Buffer memory

D0100 1234

D0249 5678

WRITE	320	1234
150 words	469	5678

62 ASCII Interface Module (AS311)