Toshiba AS311 - Manual (Page 30)

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ASCII Interface Module (AS311)
4. Register Configuration
WRITE instruction (FUN238)
Expression:

[ (A) WRITE (B)
→
(C) ]

Operands:
(A): Starting register of the source
(B): Starting address of the buffer memory to be written
(B)+1: Number of words to be written (max. 256)
(C): I/O register (XW/YW) assigned to the AS311
Example:
R0101
[ 00576 MOV D5000 ] [ 00100 MOV D5001 ]
[ D2000 WRITE D5000
→
YW002 ]
When R0101 is ON, 100 words of data starting with D2000 (D2000 to D2099)
are written into the buffer memory address 576 and after of the AS311 which is
allocated to YW002.