A-1-13 Floating-Point Math Instructions - Omron CJ2 CPU UNIT SOFTWARE User Manual

Appendices
A-1-13 Floating-point Math Instructions
Instruction Mnemonic Code
MOVE MOVF 469
FLOATING-
POINT
(SINGLE)
FLOATING FIX 450
TO 16-BIT
@FIX
FLOATING FIXL 451
TO 32-BIT
@FIXL
16-BIT TO FLT 452
FLOATING
@FLT
32-BIT TO FLTL 453
FLOATING
@FLTL
FLOATING- +F 454
POINT
@+F
ADD
−F
FLOATING- 455
POINT
@−F
SUBTRACT
A-38
Symbol/Operand
Transfers the specified 32-bit floating-point number to the speci-
MOVF(469)
fied destination words.
S
D
S: 1st source word
D: 1st destination
word
Converts a 32-bit floating-point value to 16-bit signed binary
FIX(450)
data and places the result in the specified result word.
S
R
S: 1st source word
R: Result word
Converts a 32-bit floating-point value to 32-bit signed binary
FIXL(451)
data and places the result in the specified result words.
S
R
S: 1st source word
R: 1st result word
Converts a 16-bit signed binary value to 32-bit floating-point
FLT(452)
data and places the result in the specified result words.
S
R
S: Source word
R: 1st result word
Converts a 32-bit signed binary value to 32-bit floating-point
FLTL(453)
data and places the result in the specified result words.
S
R
S: 1st source word
R: 1st result word
Adds two 32-bit floating-point numbers and places
+F(454)
the result in the specified result words.
Au
Ad
R
+
Au: 1st augend
word
AD: 1st addend
word
R: 1st result word
Subtracts one 32-bit floating-point number from another
−F(455)
and places the result in the specified result words.
Mi
Su
R
−
Mi: 1st Minuend
word
Su: 1st
Subtrahend word
R: 1st result word
Function
S+1 S
D+1 D
S+1 S
R
S+1 S
R+1 R
S
R+1 R
S+1
S
R+1 R
Au+1 Au
Ad+1
Ad
R+1 R
Mi+1
Mi
Su+1 Su
R+1 R
Execution
Location
condition
Output Required
Output Required
Floating-point data
(32 bits)
Signed binary data
(16 bits)
Output Required
Floating-point data
(32 bits)
Signed binary data
(32 bits)
Output Required
Signed binary data
(16 bits)
Floating-point data
(32 bits)
Output Required
Signed binary data
(32 bits)
Floating-point data
(32 bits)
Output Required
Augend (floating-point
data, 32 bits)
Addend (floating-point
data, 32 bits)
Result (floating-point
data, 32 bits)
Output Required
Minuend
(floating-point data,
32 bits)
Subtrahend
(floating-point
data, 32 bits)
Result (floating-point
data, 32 bits)
CJ2 CPU Unit Software User's Manual