Toshiba AS311 Benutzerhandbuch
60
ASCII Interface Module (AS311)
Appendix
A.1 Specification of the READ instruction
FUN 237 Special module data read (READ)
Reads designated range of data from the special module.
Input Execution output
[ A READ B
[ A READ B
→
C ]
Function
•
This instruction reads data from the buffer memory of the special module that is
designated by operand A, and stores them in T3’s registers starting with operand C.
designated by operand A, and stores them in T3’s registers starting with operand C.
•
The transfer source address (buffer memory
address) is designated by operand B.
address) is designated by operand B.
•
The transfer size (number of words) is
designated by operand B+1.
designated by operand B+1.
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
W
I J K
A Special
module
√
√
√
√
B Transfer
parameter
√
√
√
√
√
√
√
√
√
√
C Top
register
of destination
√
√
√
√
√
√
√
√
√
√
Program example
R0000
[ XW000 READ RW010
→
D0100 ]
•
When R0000 is ON, the buffer memory data of the size indicated by RW011, starting with the
address indicated by RW010 of the special module allocated to XW000, are read and stored in
D0100 and after.
address indicated by RW010 of the special module allocated to XW000, are read and stored in
D0100 and after.
•
The maximum number of words to be read is 256 words.
XW000 special module
T3
RW010 20
Buffer memory
RW011 16
20 1234
READ
D0100 1234
35 5678
16 words
D0115 5678
Input Action Output
ERF
OFF No
execution
OFF
ON Normal
execution
ON
Error (see Note 2)
ON
ON