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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Special Math Instructions
2
APR
Sample program
Sine Function (C: #0000)
The following example shows APR(069) used to calculate the sine of 30°.
(SIN(30) = 0.5000)
Cosine Function (C: #0001)
The following example shows APR(069) used to calculate the cosine of 30°.
(COS(30) = 0.8660)
Floating-point Data
Linear Extrapolation (C: Word Address)
• Using 16-bit Unsigned BCD or Binary Data
APR(069) processes the input data speci-
fied in S based on the control data in C and
the line-segment data specified in the table
beginning at C+1. The result is output to D.
Note If the “Floating-point specification” in bit 09 of C is set to 1, a constant
cannot be input for S.
Setting name Bit in C Setting
Input data (S) format 15 0
Output data (D) format 14 0
Source data form 13 0
Signed data specification for S
and D
11
0
Data length specification for S
and D
10
0
Floating-point specification 09 1: Floating-point data
S: D0 R: D100
0 ×10
1
×10
0
×10
–1
×10
–1
×10
–2
×10
–3
×10
–4
0300 5000
APR
#0000
D000
D100
0.00
Source data Result
Set the source data in ×10
–1
degrees.
(0000 to 0900, BCD)
Result data has four significant digits,
fifth and higher digits are ignored.
(0000 to 9999, BCD)
Source data Result
Set the source data in ×10
–1
degrees.
(0000 to 0900, BCD)
Result data has four significant digits,
fifth and higher digits are ignored.
(0000 to 9999, BCD)
APR
#0001
D010
D200
0.00
S: D10 R: D100
0 ×10
1
×10
0
×10
–1
×10
–1
×10
–2
×10
–3
×10
–4
0300 8660
Ym
Y4
Y3
Y1
Y2
Y0
X0 X1 X2 X3 X4 Xm
X
Y