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CS/CJ/NSJ Series Instructions Reference Manual (W474)
4. Instruction Execution Times and Number of Steps
4-1-12 Special Math Instructions
4-1-13 Floating-point Math Instructions
Instruction Mnemonic Length
(steps)
ON execution time (µs) Conditions
CJ2H
CPU6@(-EIP)
CJ2M CPU@@
BINARY ROOT ROTB 3 15.4 24.2 ---
BCD SQUARE ROOT ROOT 3 17.1 25.3 ---
ARITHMETIC PROCESS APR 4 4.6 5.3 Designating SIN
and COS
5.7 6.9 Designating line-
segment approxima-
tion
FLOATING POINT DIVIDE FDIV 4 76 149 ---
BIT COUNTER BCNT 4 0.24 0.360 Counting 1 word
Instruction Mnemonic Length
(steps)
ON execution time (µs) Conditions
CJ2H
CPU6@(-EIP)
CJ2M CPU@@
FLOATING TO 16-BIT FIX 3 to 4 0.13 0.24 ---
FLOATING TO 32-BIT FIXL 3 to 4 0.13 0.32 ---
16-BIT TO FLOATING FLT 3 to 4 0.13 0.30 ---
32-BIT TO FLOATING FLTL 3 to 4 0.13 0.32 ---
FLOATING-POINT ADD +F 4 to 6 0.24 0.66 ---
FLOATING-POINT SUB-
TRACT
–F 4 to 6 0.24 0.66 ---
FLOATING-POINT DIVIDE /F 4 to 6 0.4 0.9 ---
FLOATING-POINT MULTIPLY *F 4 to 6 0.24 0.66 ---
DEGREES TO RADIANS RAD 3 to 4 2.7 3.3 ---
RADIANS TO DEGREES DEG 3 to 4 3.0 3.2 ---
SINE SIN 3 to 4 3.8 4.3 0° specified
4.5 5.4 45° specified
5.0 6.0 90° specified
HIGH-SPEED SINE SINQ 8 to 9 0.59 0.86 0°, 45°, or 90° speci-
fied
COSINE COS 3 to 4 3.7 4.3 0° specified
4.4 5.2 45° specified
5.3 6.7 90° specified
HIGH-SPEED COSINE COSQ 8 to 9 0.59 0.86 0°, 45°, or 90° speci-
fied
TANGENT TAN 3 to 4 3.9 4.5 0° specified
6.1 8.2 45° specified
HIGH-SPEED TANGENT TANQ 15 to 16 1.2 1.7 0°, 45°, or 90° speci-
fied
ARC SINE ASIN 3 to 4 5.8 7.1 0° specified
24.8 33.0 45° specified
5.6 7.0 90° specified
ARC COSINE ACOS 3 to 4 5.3 6.8 0° specified
27.2 34.6 45° specified
6.4 7.1 90° specified
ARC TANGENT ATAN 3 to 4 4.0 5.0 0° specified
5.6 7.0 45° specified
SQUARE ROOT SQRT 3 to 4 0.42 0.66 ---
EXPONENT EXP 3 to 4 3.8 4.5 ---
LOGARITHM LOG 3 to 4 5.8 6.5 ---
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