Basic Function Instruction
6-28
FUN 13
D
P
(*)
MULTIPLICATION
(Performs multiplication of the data specified at Sa and Sb and stores the result in D)
FUN 13
D
P
(*)
Symbol
Operand
Sa: Multiplicand
Sb: Multiplier
D
: Destination register to store the
results of the multiplication.
Sa, Sb, D may combine with V, Z,
P0~P9 to serve indirect addressing
WX
WY
WM
WS
TMR CTR
HR
IR
OR
SR
ROR
DR
K
XR
Range
Ope-
rand
WX0
∣
WX240
WY0
∣
WY240
WM0
∣
WM1896
WS0
∣
WS984
T0
∣
T255
C0
∣
C255
R0
∣
R3839
R3840
∣
R3903
R3904
∣
R3967
R3968
∣
R4167
R5000
∣
R8071
D0
∣
D4095
16/32-bit
+/
−
number
V
、
Z
P0~P9
Sa
○
○
○
○
○
○
○
○
○
○
○
○
○
○
Sb
○
○
○
○
○
○
○
○
○
○
○
○
○
○
D
○
○
○
○
○
○
○
○
*
○
*
○
○
Description
●
Performs the multiplication of the data specified at Sa and Sb and writes the results to a specified register
D when the multiplication control input "EN" =1 or "EN
↑
" (
P
instruction) from 0 to 1. If the product of
multiplication is equal to 0 then set FO0 to 1. If the product is a negative number, then set FO1 to 1.
Example 1
16-bit multiplication
Ladder Diagram
Key Operations
Mnemonic Codes
X0
EN
R
R
R
0
1
2
13P.(*)
D=0
D<0
U/S
Sa :
Sb :
D :
ORG
ORG X
0
FUN 13P
Sa
:
R
0
Sb
:
R
1
D
:
R
2
R0
Sa
12345
Multiplicand
R1
×
Sb
4567
Multiplier
R3
R2
D
56379615
Product
Содержание FBs-CBE
Страница 78: ...MEMO ...
Страница 111: ...4 6 X0 X1 Node A Y0 Y1 Node B differential down Incerse differential up t Scan time Inverse t t ...
Страница 141: ...Basic Function Instruction 6 16 FUN 2 SKP SKIP START FUN 2 SKP Y2 Y1 Y0 T201 10S X0 X1 X2 0 10 0 ...
Страница 305: ...MEMO ...
Страница 348: ...MEMO ...