677
Double-precision Floating-point Instructions (CS1-H, CJ1-H, CJ1M, or CS1D Only) Section 3-16
Operand Specifications
Description COSD(852) calculates the cosine of the angle (in radians) expressed as a
double-precision (64-bit) floating-point value in words S to S+3 and places the
result in words D to D+3.
(The floating point source data must be in IEEE754 format.)
Specify the desired angle (–65,535 to 65,535) in radians in words S to S+3. If
the angle is outside of the range –65,535 to 65,535, an error will occur and the
instruction will not be executed. For information on converting between
degrees and radians, see
3-16-9 DOUBLE DEGREES TO RADIANS:
RADD(849)
or 3-16-10 DOUBLE RADIANS TO DEGREES: DEGD(850).
The following diagram shows the relationship between the angle and result.
Area S D
CIO Area CIO 0000 to CIO 6140
Work Area W000 to W508
Holding Bit Area H000 to H508
Auxiliary Bit Area A000 to A956 A448 to A956
Timer Area T0000 to T4092
Counter Area C0000 to C4092
DM Area D00000 to D32764
EM Area without bank E00000 to E32764
EM Area with bank En_00000 to En_32764
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants ---
Data Registers ---
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
S+1 S ) →COS( S+3 S+2 D+1 DD+3 D+2
R
S: Angle (radian) data
R: Result (cosine)
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