Cutler-Hammer D320 PLC, User Manual

Page: 87 / 258

Chapter 6: Instructions
75
Transfer Instructions
Mnemonic Command Word Double Word Description
LDR
(DLDR)
Load D ← (Sr)
LDR
D =
Sr = DLDR
D =
Sr =
Store value at absolute address Sr in
D.
Register Absolute Data
Value Address Value
Sr = X
? X Y
D= Y
STO
(DSTO) Store (D)
←
Sr
STO
Sr =
D = DSTO
Sr =
D =
Store Sr in register at absolute
address D.
Register Absolute Data
Value Address Value
Sr = X
D= Y
? Y X
MOV Move
MOV
D =
Sr =
Ns =
Copy Ns words from Sr to D.
Sr ...... 1 0 1 0 1 0 1 0
Sr+1 ...... 0 0 0 0 1 1 1 1
Sr+2 ...... 1 1 1 1 0 0 0 0
Ns=3
D ...... 1 0 1 0 1 0 1 0
D+1 ...... 0 0 0 0 1 1 1 1
D+2 ...... 1 1 1 1 0 0 0 0
FMOV Fill Move
FMOV
D =
Ns =
V =
Repeatedly copy the value V, Ns
times to words starting at D.
...... 1 0 1 0 1 0 1 0
Ns=4
D ...... 1 0 1 0 1 0 1 0
D+1 ...... 1 0 1 0 1 0 1 0
D+2 ...... 1 0 1 0 1 0 1 0
D+3 ...... 1 0 1 0 1 0 1 0
V value
BMOV Bit Move
BMOV
Db =
Sb =
Ns =
Move Ns bits from bit address Sb to
bit address Db.
Sb ...... 0 1 1 1 0 1 0 0
If Ns=4
Db ...... 0 1 0 1 0 1 0 0
BFMV Bit Fill Move
BFMV
Db =
Ns =
V =
Repeatedly copy the bit value V, N
times to bit address Db. (V = 0,1) (Ns
= 0, 1,…, 15).
Ns=5
Db ...... 0 1 1 1 1 1 0 0
V=1