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314
First the original numbers must be placed in floating-point form. Because the
numbers are originally without decimal points, the exponent will be 4 (e.g., 3452
would equal 0.3452 x 10
4
). All of the moves are to place the proper data into con-
secutive words for the final division, including the exponent and zeros. Data
movements for Dd and Dd+1 are shown at the right below. Movements for Dr
and Dr+1 are basically the same.The original values to be divided are in D00000
and D00001. The final division is also shown.
D00000
3
4
5
2
D00101
D00100
0
0
0
0
0000
D00101 D00100
4
0
0
0
0
0
0
0
4000
D00101 D00100
4
3
4
5
0
0
0
0
D00000
3
4
5
2
D00101 D00100
4
3
4
5
2
0
0
0
D00101 D00100
4
3
4
5
2
0
0
0
D00103 D00102
4
0
0
7
9
0
0
0
D00003 D00002
2
4
3
6
9
6
2
0
÷
0.4369620 x 10
2
00000
LD
000000
00001
j
MOV(030)
#0000
D00100
00002
j
MOV(030)
#0000
D00102
00003
j
MOV(030)
#4000
D00101
00004
j
MOV(030)
#4000
D00103
00005
j
MOVD(043)
D00000
#0021
D00101
00006
j
MOVD(043)
D00000
#0300
D00100
00007
j
MOVD(043)
D00001
#0021
D00103
00008
j
MOVD(043)
D00001
#0300
D00102
00009
j
FDIV(141)
D00100
D00102
D00002
Address Instruction
Operands
(030)
j
MOV
#0000 D00100
(030)
j
MOV
#0000 D00102
(030)
j
MOV
#4000 D00101
(030)
j
MOV
#4000 D00103
(043)
j
MOVD
D00000
#0021
D00101
(043)
j
MOVD
D00001
#0021
D00103
(043)
j
MOVD
D00001
#0300
D00102
(141)
j
FDIV
D00100
D00102
D00002
0000
00
(043)
j
MOVD
D00000
#0300
D00100
Special Math Instructions
Section 5-23
Summary of Contents for CVM1D
Page 462: ...SYSMAC CVM1D Duplex System Programmable Controllers Operation Manual Revised August 2001...
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